./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_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-?-791161d [2022-07-23 03:23:24,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:23:24,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:23:24,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:23:24,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:23:24,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:23:24,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:23:24,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:23:24,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:23:24,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:23:24,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:23:24,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:23:24,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:23:24,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:23:24,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:23:24,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:23:24,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:23:24,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:23:24,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:23:24,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:23:24,912 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:23:24,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:23:24,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:23:24,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:23:24,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:23:24,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:23:24,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:23:24,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:23:24,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:23:24,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:23:24,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:23:24,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:23:24,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:23:24,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:23:24,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:23:24,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:23:24,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:23:24,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:23:24,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:23:24,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:23:24,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:23:24,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:23:24,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:23:24,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:23:24,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:23:24,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:23:24,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:23:24,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:23:24,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:23:24,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:23:24,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:23:24,983 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:23:24,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:23:24,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:23:24,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:23:24,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:23:24,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:23:24,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:23:24,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:23:24,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:23:24,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:23:24,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:23:24,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:23:24,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:23:24,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:23:24,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:23:24,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:23:24,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:23:24,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:23:24,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:23:24,989 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:23:24,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:23:24,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:23:24,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2022-07-23 03:23:25,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:23:25,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:23:25,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:23:25,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:23:25,301 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:23:25,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:23:25,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa577e9b/2e30edb616174af4ae7f92249a0561d8/FLAGa0678412e [2022-07-23 03:23:26,339 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:23:26,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:23:26,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa577e9b/2e30edb616174af4ae7f92249a0561d8/FLAGa0678412e [2022-07-23 03:23:26,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa577e9b/2e30edb616174af4ae7f92249a0561d8 [2022-07-23 03:23:26,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:23:26,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:23:26,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:23:26,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:23:26,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:23:26,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:26" (1/1) ... [2022-07-23 03:23:26,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90f37a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:26, skipping insertion in model container [2022-07-23 03:23:26,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:26" (1/1) ... [2022-07-23 03:23:26,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:23:26,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:23:33,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-07-23 03:23:33,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-07-23 03:23:33,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:33,530 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:23:33,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-07-23 03:23:33,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-07-23 03:23:33,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:34,215 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:23:34,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34 WrapperNode [2022-07-23 03:23:34,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:23:34,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:23:34,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:23:34,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:23:34,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:34,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:34,721 INFO L137 Inliner]: procedures = 567, calls = 4464, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9379 [2022-07-23 03:23:34,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:23:34,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:23:34,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:23:34,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:23:34,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:34,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:34,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:34,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:35,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:35,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:35,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:35,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:23:35,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:23:35,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:23:35,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:23:35,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (1/1) ... [2022-07-23 03:23:35,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:23:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:23:35,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:23:35,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:23:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:23:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:23:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:23:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:23:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:23:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:23:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-23 03:23:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-23 03:23:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-23 03:23:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-23 03:23:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:23:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:23:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-23 03:23:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-23 03:23:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:23:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:23:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:23:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:23:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-23 03:23:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-23 03:23:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-23 03:23:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-23 03:23:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 03:23:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 03:23:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-23 03:23:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-23 03:23:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:23:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:23:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 03:23:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 03:23:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-23 03:23:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-23 03:23:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-23 03:23:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-23 03:23:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:23:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:23:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:23:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:23:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:23:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:23:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:23:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:23:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:23:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:23:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-23 03:23:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-23 03:23:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:23:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:23:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:23:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:23:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:23:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:23:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:23:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:23:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:23:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:23:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 03:23:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 03:23:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:23:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:23:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:23:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:23:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 03:23:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 03:23:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:23:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:23:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:23:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:23:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:23:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-23 03:23:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-23 03:23:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:23:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:23:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:23:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:23:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-23 03:23:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-23 03:23:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:23:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:23:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-23 03:23:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-23 03:23:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:23:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-23 03:23:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-23 03:23:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-23 03:23:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-23 03:23:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-23 03:23:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-23 03:23:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:23:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:23:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:23:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:23:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:23:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:23:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:23:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-23 03:23:35,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-23 03:23:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:23:35,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:23:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:23:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-23 03:23:35,336 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-23 03:23:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 03:23:35,336 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 03:23:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:23:35,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:23:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:23:35,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:23:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:23:35,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:23:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:23:35,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:23:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:23:35,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:23:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:23:35,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:23:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-23 03:23:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-23 03:23:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-23 03:23:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-23 03:23:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 03:23:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 03:23:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:23:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:23:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-23 03:23:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-23 03:23:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:23:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:23:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-23 03:23:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-23 03:23:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:23:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:23:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:23:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-23 03:23:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-23 03:23:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:23:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:23:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:23:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:23:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 03:23:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 03:23:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:23:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:23:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:23:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:23:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:23:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:23:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:23:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:23:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 03:23:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 03:23:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:23:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:23:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 03:23:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 03:23:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:23:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:23:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:23:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:23:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:23:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:23:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-23 03:23:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-23 03:23:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:23:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:23:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-23 03:23:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-23 03:23:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 03:23:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 03:23:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:23:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:23:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-23 03:23:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-23 03:23:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-23 03:23:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-23 03:23:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:23:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:23:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-23 03:23:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-23 03:23:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:23:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:23:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:23:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:23:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-23 03:23:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-23 03:23:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:23:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:23:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:23:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:23:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-23 03:23:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-23 03:23:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 03:23:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 03:23:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-23 03:23:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-23 03:23:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 03:23:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 03:23:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-23 03:23:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-23 03:23:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-23 03:23:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-23 03:23:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 03:23:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 03:23:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:23:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:23:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-23 03:23:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-23 03:23:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:23:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:23:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:23:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:23:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:23:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:23:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-23 03:23:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-23 03:23:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:23:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:23:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:23:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:23:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 03:23:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 03:23:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:23:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:23:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:23:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:23:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:23:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-23 03:23:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-23 03:23:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 03:23:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 03:23:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:23:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:23:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:23:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-23 03:23:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-23 03:23:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-23 03:23:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-23 03:23:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:23:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:23:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:23:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 03:23:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 03:23:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:23:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:23:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:23:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:23:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:23:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:23:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:23:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:23:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-23 03:23:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-23 03:23:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-23 03:23:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-23 03:23:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-23 03:23:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-23 03:23:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 03:23:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 03:23:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-23 03:23:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-23 03:23:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-23 03:23:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-23 03:23:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:23:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:23:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:23:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:23:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:23:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:23:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-23 03:23:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-23 03:23:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:23:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:23:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-23 03:23:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-23 03:23:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:23:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-23 03:23:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-23 03:23:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 03:23:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 03:23:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 03:23:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 03:23:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:23:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:23:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-23 03:23:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-23 03:23:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-23 03:23:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-23 03:23:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:23:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:23:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-23 03:23:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-23 03:23:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:23:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:23:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-23 03:23:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-23 03:23:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-23 03:23:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-23 03:23:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:23:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:23:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:23:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:23:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:23:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:23:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:23:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:23:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:23:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:23:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:23:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:23:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-23 03:23:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-23 03:23:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-23 03:23:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-23 03:23:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:23:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:23:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:23:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:23:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:23:36,492 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:23:36,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:23:37,819 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:23:43,993 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:23:44,094 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:23:44,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:23:44,115 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:23:44,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:23:44 BoogieIcfgContainer [2022-07-23 03:23:44,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:23:44,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:23:44,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:23:44,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:23:44,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:23:26" (1/3) ... [2022-07-23 03:23:44,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590075e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:23:44, skipping insertion in model container [2022-07-23 03:23:44,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:34" (2/3) ... [2022-07-23 03:23:44,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590075e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:23:44, skipping insertion in model container [2022-07-23 03:23:44,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:23:44" (3/3) ... [2022-07-23 03:23:44,134 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:23:44,149 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:23:44,149 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:23:44,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:23:44,284 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4ad889d4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78ebdfea [2022-07-23 03:23:44,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:23:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 3242 states, 2288 states have (on average 1.375) internal successors, (3146), 2357 states have internal predecessors, (3146), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2022-07-23 03:23:44,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-23 03:23:44,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:23:44,356 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:23:44,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:23:44,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:23:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash 193301742, now seen corresponding path program 1 times [2022-07-23 03:23:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:23:44,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896198593] [2022-07-23 03:23:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:23:44,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:23:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:23:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:23:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:23:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:23:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:23:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:23:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:23:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:23:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:23:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:23:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:23:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:23:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:23:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:23:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:23:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:23:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:23:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:23:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 03:23:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:23:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:23:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 03:23:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-23 03:23:46,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:23:46,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896198593] [2022-07-23 03:23:46,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896198593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:23:46,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:23:46,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:23:46,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934273345] [2022-07-23 03:23:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:23:46,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:23:46,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:23:46,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:23:46,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:23:46,092 INFO L87 Difference]: Start difference. First operand has 3242 states, 2288 states have (on average 1.375) internal successors, (3146), 2357 states have internal predecessors, (3146), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:23:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:23:53,605 INFO L93 Difference]: Finished difference Result 9558 states and 14241 transitions. [2022-07-23 03:23:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:23:53,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 256 [2022-07-23 03:23:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:23:53,679 INFO L225 Difference]: With dead ends: 9558 [2022-07-23 03:23:53,679 INFO L226 Difference]: Without dead ends: 6232 [2022-07-23 03:23:53,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:23:53,713 INFO L413 NwaCegarLoop]: 4958 mSDtfsCounter, 5178 mSDsluCounter, 5188 mSDsCounter, 0 mSdLazyCounter, 3322 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 10146 SdHoareTripleChecker+Invalid, 5582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:23:53,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5875 Valid, 10146 Invalid, 5582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 3322 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 03:23:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2022-07-23 03:23:54,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 6189. [2022-07-23 03:23:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6189 states, 4416 states have (on average 1.3435235507246377) internal successors, (5933), 4550 states have internal predecessors, (5933), 1479 states have call successors, (1479), 293 states have call predecessors, (1479), 293 states have return successors, (1479), 1448 states have call predecessors, (1479), 1479 states have call successors, (1479) [2022-07-23 03:23:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6189 states to 6189 states and 8891 transitions. [2022-07-23 03:23:54,238 INFO L78 Accepts]: Start accepts. Automaton has 6189 states and 8891 transitions. Word has length 256 [2022-07-23 03:23:54,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:23:54,239 INFO L495 AbstractCegarLoop]: Abstraction has 6189 states and 8891 transitions. [2022-07-23 03:23:54,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:23:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6189 states and 8891 transitions. [2022-07-23 03:23:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-23 03:23:54,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:23:54,251 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:23:54,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:23:54,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:23:54,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:23:54,252 INFO L85 PathProgramCache]: Analyzing trace with hash 592188440, now seen corresponding path program 1 times [2022-07-23 03:23:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:23:54,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255988539] [2022-07-23 03:23:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:23:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:23:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:23:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:23:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:23:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:23:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:23:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:23:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:23:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:23:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:23:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:23:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:23:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:23:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:23:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:23:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:23:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:23:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:23:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:23:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 03:23:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 03:23:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 03:23:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 03:23:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-23 03:23:54,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:23:54,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255988539] [2022-07-23 03:23:54,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255988539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:23:54,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:23:54,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:23:54,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146844422] [2022-07-23 03:23:54,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:23:54,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:23:54,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:23:54,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:23:54,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:23:54,922 INFO L87 Difference]: Start difference. First operand 6189 states and 8891 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:24:01,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:01,999 INFO L93 Difference]: Finished difference Result 18157 states and 26183 transitions. [2022-07-23 03:24:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:24:02,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2022-07-23 03:24:02,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:02,142 INFO L225 Difference]: With dead ends: 18157 [2022-07-23 03:24:02,143 INFO L226 Difference]: Without dead ends: 12007 [2022-07-23 03:24:02,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:02,179 INFO L413 NwaCegarLoop]: 5791 mSDtfsCounter, 4730 mSDsluCounter, 5534 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 11325 SdHoareTripleChecker+Invalid, 5185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:02,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 11325 Invalid, 5185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 3275 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-23 03:24:02,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12007 states. [2022-07-23 03:24:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12007 to 11923. [2022-07-23 03:24:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11923 states, 8495 states have (on average 1.3437316068275456) internal successors, (11415), 8763 states have internal predecessors, (11415), 2850 states have call successors, (2850), 577 states have call predecessors, (2850), 577 states have return successors, (2850), 2787 states have call predecessors, (2850), 2850 states have call successors, (2850) [2022-07-23 03:24:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11923 states to 11923 states and 17115 transitions. [2022-07-23 03:24:02,732 INFO L78 Accepts]: Start accepts. Automaton has 11923 states and 17115 transitions. Word has length 257 [2022-07-23 03:24:02,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:02,734 INFO L495 AbstractCegarLoop]: Abstraction has 11923 states and 17115 transitions. [2022-07-23 03:24:02,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:24:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 11923 states and 17115 transitions. [2022-07-23 03:24:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-23 03:24:02,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:02,748 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:02,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:24:02,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:02,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:02,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1241969718, now seen corresponding path program 1 times [2022-07-23 03:24:02,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:02,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963357887] [2022-07-23 03:24:02,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:24:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:24:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:24:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 03:24:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:24:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:24:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 03:24:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 03:24:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2022-07-23 03:24:03,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:03,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963357887] [2022-07-23 03:24:03,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963357887] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:03,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:03,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:24:03,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765960536] [2022-07-23 03:24:03,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:03,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:24:03,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:03,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:24:03,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:03,618 INFO L87 Difference]: Start difference. First operand 11923 states and 17115 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-23 03:24:13,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:17,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:17,369 INFO L93 Difference]: Finished difference Result 35395 states and 51077 transitions. [2022-07-23 03:24:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:24:17,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 269 [2022-07-23 03:24:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:17,502 INFO L225 Difference]: With dead ends: 35395 [2022-07-23 03:24:17,503 INFO L226 Difference]: Without dead ends: 23511 [2022-07-23 03:24:17,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:24:17,566 INFO L413 NwaCegarLoop]: 4408 mSDtfsCounter, 8527 mSDsluCounter, 3775 mSDsCounter, 0 mSdLazyCounter, 6816 mSolverCounterSat, 5115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9012 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 11932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5115 IncrementalHoareTripleChecker+Valid, 6816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:17,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9012 Valid, 8183 Invalid, 11932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5115 Valid, 6816 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2022-07-23 03:24:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23511 states. [2022-07-23 03:24:18,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23511 to 23345. [2022-07-23 03:24:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23345 states, 16621 states have (on average 1.341977017026653) internal successors, (22305), 17169 states have internal predecessors, (22305), 5571 states have call successors, (5571), 1146 states have call predecessors, (5571), 1152 states have return successors, (5754), 5419 states have call predecessors, (5754), 5571 states have call successors, (5754) [2022-07-23 03:24:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23345 states to 23345 states and 33630 transitions. [2022-07-23 03:24:18,552 INFO L78 Accepts]: Start accepts. Automaton has 23345 states and 33630 transitions. Word has length 269 [2022-07-23 03:24:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:18,553 INFO L495 AbstractCegarLoop]: Abstraction has 23345 states and 33630 transitions. [2022-07-23 03:24:18,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-23 03:24:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 23345 states and 33630 transitions. [2022-07-23 03:24:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-23 03:24:18,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:18,567 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:18,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:24:18,567 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:18,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1665766251, now seen corresponding path program 1 times [2022-07-23 03:24:18,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:18,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081623679] [2022-07-23 03:24:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:24:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 03:24:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:24:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:24:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:24:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 03:24:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 03:24:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 03:24:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-07-23 03:24:19,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:19,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081623679] [2022-07-23 03:24:19,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081623679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:19,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:19,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:24:19,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013396546] [2022-07-23 03:24:19,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:19,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:24:19,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:19,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:24:19,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:24:19,318 INFO L87 Difference]: Start difference. First operand 23345 states and 33630 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-23 03:24:25,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:25,674 INFO L93 Difference]: Finished difference Result 69482 states and 100346 transitions. [2022-07-23 03:24:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:24:25,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-07-23 03:24:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:25,945 INFO L225 Difference]: With dead ends: 69482 [2022-07-23 03:24:25,945 INFO L226 Difference]: Without dead ends: 46176 [2022-07-23 03:24:26,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:26,105 INFO L413 NwaCegarLoop]: 5971 mSDtfsCounter, 4812 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 3205 mSolverCounterSat, 1891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 11629 SdHoareTripleChecker+Invalid, 5096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 3205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:26,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 11629 Invalid, 5096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 3205 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 03:24:26,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46176 states. [2022-07-23 03:24:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46176 to 45870. [2022-07-23 03:24:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45870 states, 32678 states have (on average 1.340963339249648) internal successors, (43820), 33779 states have internal predecessors, (43820), 10915 states have call successors, (10915), 2264 states have call predecessors, (10915), 2276 states have return successors, (11271), 10605 states have call predecessors, (11271), 10915 states have call successors, (11271) [2022-07-23 03:24:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45870 states to 45870 states and 66006 transitions. [2022-07-23 03:24:28,758 INFO L78 Accepts]: Start accepts. Automaton has 45870 states and 66006 transitions. Word has length 284 [2022-07-23 03:24:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:28,759 INFO L495 AbstractCegarLoop]: Abstraction has 45870 states and 66006 transitions. [2022-07-23 03:24:28,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-23 03:24:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45870 states and 66006 transitions. [2022-07-23 03:24:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-23 03:24:28,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:28,788 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:28,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:24:28,788 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:28,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:28,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1364802546, now seen corresponding path program 1 times [2022-07-23 03:24:28,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:28,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658107778] [2022-07-23 03:24:28,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:28,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:24:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 03:24:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:24:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 03:24:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:24:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:24:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 03:24:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 03:24:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 03:24:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:24:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-23 03:24:29,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:29,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658107778] [2022-07-23 03:24:29,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658107778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:29,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:29,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:24:29,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915373459] [2022-07-23 03:24:29,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:29,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:24:29,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:29,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:24:29,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:24:29,551 INFO L87 Difference]: Start difference. First operand 45870 states and 66006 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:24:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:35,801 INFO L93 Difference]: Finished difference Result 108874 states and 155966 transitions. [2022-07-23 03:24:35,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:24:35,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 304 [2022-07-23 03:24:35,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:36,383 INFO L225 Difference]: With dead ends: 108874 [2022-07-23 03:24:36,383 INFO L226 Difference]: Without dead ends: 63043 [2022-07-23 03:24:36,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:36,577 INFO L413 NwaCegarLoop]: 5265 mSDtfsCounter, 4280 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 3032 mSolverCounterSat, 1804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4878 SdHoareTripleChecker+Valid, 10609 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 3032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:36,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4878 Valid, 10609 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1804 Valid, 3032 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:24:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63043 states. [2022-07-23 03:24:38,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63043 to 62689. [2022-07-23 03:24:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62689 states, 44485 states have (on average 1.3360008991794987) internal successors, (59432), 45907 states have internal predecessors, (59432), 14723 states have call successors, (14723), 3468 states have call predecessors, (14723), 3480 states have return successors, (15099), 14336 states have call predecessors, (15099), 14723 states have call successors, (15099) [2022-07-23 03:24:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62689 states to 62689 states and 89254 transitions. [2022-07-23 03:24:39,759 INFO L78 Accepts]: Start accepts. Automaton has 62689 states and 89254 transitions. Word has length 304 [2022-07-23 03:24:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:39,765 INFO L495 AbstractCegarLoop]: Abstraction has 62689 states and 89254 transitions. [2022-07-23 03:24:39,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:24:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 62689 states and 89254 transitions. [2022-07-23 03:24:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-23 03:24:39,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:39,790 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:39,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:24:39,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1704077765, now seen corresponding path program 1 times [2022-07-23 03:24:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:39,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928865] [2022-07-23 03:24:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:24:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 03:24:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:24:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 03:24:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 03:24:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 03:24:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 03:24:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:24:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:24:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 03:24:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 03:24:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:24:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 03:24:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2022-07-23 03:24:40,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:40,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928865] [2022-07-23 03:24:40,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:40,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:40,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:24:40,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945609963] [2022-07-23 03:24:40,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:40,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:24:40,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:40,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:24:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:40,635 INFO L87 Difference]: Start difference. First operand 62689 states and 89254 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-07-23 03:24:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:53,258 INFO L93 Difference]: Finished difference Result 173747 states and 247371 transitions. [2022-07-23 03:24:53,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:24:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 335 [2022-07-23 03:24:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:54,074 INFO L225 Difference]: With dead ends: 173747 [2022-07-23 03:24:54,074 INFO L226 Difference]: Without dead ends: 111097 [2022-07-23 03:24:54,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:24:54,313 INFO L413 NwaCegarLoop]: 4322 mSDtfsCounter, 8178 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 6799 mSolverCounterSat, 4980 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8671 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 11779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4980 IncrementalHoareTripleChecker+Valid, 6799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:54,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8671 Valid, 7997 Invalid, 11779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4980 Valid, 6799 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-23 03:24:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111097 states. [2022-07-23 03:24:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111097 to 110381. [2022-07-23 03:24:57,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110381 states, 78220 states have (on average 1.3350421886985426) internal successors, (104427), 80629 states have internal predecessors, (104427), 25736 states have call successors, (25736), 6414 states have call predecessors, (25736), 6424 states have return successors, (26444), 25032 states have call predecessors, (26444), 25736 states have call successors, (26444) [2022-07-23 03:24:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110381 states to 110381 states and 156607 transitions. [2022-07-23 03:24:58,768 INFO L78 Accepts]: Start accepts. Automaton has 110381 states and 156607 transitions. Word has length 335 [2022-07-23 03:24:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:58,769 INFO L495 AbstractCegarLoop]: Abstraction has 110381 states and 156607 transitions. [2022-07-23 03:24:58,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-07-23 03:24:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 110381 states and 156607 transitions. [2022-07-23 03:24:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-23 03:24:58,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:58,784 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:58,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:24:58,785 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:58,785 INFO L85 PathProgramCache]: Analyzing trace with hash -307776352, now seen corresponding path program 1 times [2022-07-23 03:24:58,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:58,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769835168] [2022-07-23 03:24:58,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:58,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:24:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:24:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:24:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 03:24:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 03:24:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:24:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:24:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 03:24:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 03:24:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:24:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 03:24:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-23 03:24:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2022-07-23 03:24:59,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:59,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769835168] [2022-07-23 03:24:59,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769835168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:59,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:59,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:24:59,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761738113] [2022-07-23 03:24:59,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:59,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:24:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:59,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:24:59,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:24:59,794 INFO L87 Difference]: Start difference. First operand 110381 states and 156607 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:25:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:08,640 INFO L93 Difference]: Finished difference Result 269826 states and 383288 transitions. [2022-07-23 03:25:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:25:08,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2022-07-23 03:25:08,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:09,937 INFO L225 Difference]: With dead ends: 269826 [2022-07-23 03:25:09,937 INFO L226 Difference]: Without dead ends: 159603 [2022-07-23 03:25:10,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:25:10,314 INFO L413 NwaCegarLoop]: 8236 mSDtfsCounter, 4275 mSDsluCounter, 7037 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 1463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4946 SdHoareTripleChecker+Valid, 15273 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1463 IncrementalHoareTripleChecker+Valid, 3245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:10,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4946 Valid, 15273 Invalid, 4708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1463 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:25:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159603 states. [2022-07-23 03:25:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159603 to 158613. [2022-07-23 03:25:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158613 states, 112255 states have (on average 1.3326087924814038) internal successors, (149592), 115705 states have internal predecessors, (149592), 36995 states have call successors, (36995), 9350 states have call predecessors, (36995), 9362 states have return successors, (37979), 35979 states have call predecessors, (37979), 36995 states have call successors, (37979) [2022-07-23 03:25:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158613 states to 158613 states and 224566 transitions. [2022-07-23 03:25:16,608 INFO L78 Accepts]: Start accepts. Automaton has 158613 states and 224566 transitions. Word has length 327 [2022-07-23 03:25:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:16,610 INFO L495 AbstractCegarLoop]: Abstraction has 158613 states and 224566 transitions. [2022-07-23 03:25:16,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:25:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 158613 states and 224566 transitions. [2022-07-23 03:25:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-23 03:25:16,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:16,637 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:25:16,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:25:16,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:16,639 INFO L85 PathProgramCache]: Analyzing trace with hash -123706751, now seen corresponding path program 1 times [2022-07-23 03:25:16,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:25:16,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994273361] [2022-07-23 03:25:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:25:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:25:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:25:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:25:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:25:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:25:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:25:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:25:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:25:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:25:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:25:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:25:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:25:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:25:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:25:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:25:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:25:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:25:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:25:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:25:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:25:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 03:25:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 03:25:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 03:25:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 03:25:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 03:25:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 03:25:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 03:25:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:25:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 03:25:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 03:25:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 03:25:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 03:25:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-07-23 03:25:17,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:25:17,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994273361] [2022-07-23 03:25:17,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994273361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:25:17,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:25:17,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:25:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399765799] [2022-07-23 03:25:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:25:17,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:25:17,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:25:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:25:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:25:17,316 INFO L87 Difference]: Start difference. First operand 158613 states and 224566 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:29,774 INFO L93 Difference]: Finished difference Result 422195 states and 600357 transitions. [2022-07-23 03:25:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:25:29,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2022-07-23 03:25:29,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:31,917 INFO L225 Difference]: With dead ends: 422195 [2022-07-23 03:25:31,917 INFO L226 Difference]: Without dead ends: 263740 [2022-07-23 03:25:32,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:25:32,607 INFO L413 NwaCegarLoop]: 7963 mSDtfsCounter, 4490 mSDsluCounter, 6920 mSDsCounter, 0 mSdLazyCounter, 3204 mSolverCounterSat, 1508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 14883 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 3204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:32,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5177 Valid, 14883 Invalid, 4712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 3204 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:25:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263740 states.