./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 6c24879c 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-?-6c24879 [2022-07-12 16:06:15,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:06:15,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:06:15,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:06:15,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:06:15,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:06:15,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:06:15,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:06:15,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:06:15,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:06:15,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:06:15,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:06:15,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:06:15,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:06:15,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:06:15,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:06:15,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:06:15,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:06:15,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:06:15,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:06:15,168 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:06:15,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:06:15,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:06:15,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:06:15,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:06:15,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:06:15,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:06:15,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:06:15,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:06:15,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:06:15,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:06:15,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:06:15,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:06:15,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:06:15,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:06:15,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:06:15,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:06:15,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:06:15,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:06:15,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:06:15,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:06:15,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:06:15,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:06:15,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:06:15,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:06:15,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:06:15,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:06:15,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:06:15,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:06:15,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:06:15,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:06:15,212 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:06:15,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:06:15,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:06:15,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:06:15,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:06:15,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:06:15,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:06:15,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:06:15,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:06:15,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:06:15,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:06:15,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:06:15,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:06:15,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:15,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:06:15,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:06:15,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:06:15,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:06:15,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:06:15,217 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:06:15,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:06:15,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:06:15,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2022-07-12 16:06:15,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:06:15,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:06:15,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:06:15,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:06:15,421 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:06:15,422 INFO L432 ainManager$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 [2022-07-12 16:06:15,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b17a4c4/44252f8a293a4966b1d273e5dbe839ac/FLAGf8fd396a3 [2022-07-12 16:06:16,154 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:06:16,183 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 [2022-07-12 16:06:16,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b17a4c4/44252f8a293a4966b1d273e5dbe839ac/FLAGf8fd396a3 [2022-07-12 16:06:16,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b17a4c4/44252f8a293a4966b1d273e5dbe839ac [2022-07-12 16:06:16,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:06:16,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:06:16,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:16,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:06:16,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:06:16,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:16" (1/1) ... [2022-07-12 16:06:16,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b524589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:16, skipping insertion in model container [2022-07-12 16:06:16,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:16" (1/1) ... [2022-07-12 16:06:16,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:06:16,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:06:19,136 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] [2022-07-12 16:06:19,138 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] [2022-07-12 16:06:19,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:19,213 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:06:19,528 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] [2022-07-12 16:06:19,529 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] [2022-07-12 16:06:19,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:19,761 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:06:19,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19 WrapperNode [2022-07-12 16:06:19,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:19,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:19,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:06:19,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:06:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:19,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,097 INFO L137 Inliner]: procedures = 567, calls = 4464, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9379 [2022-07-12 16:06:20,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:20,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:06:20,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:06:20,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:06:20,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:06:20,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:06:20,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:06:20,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:06:20,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (1/1) ... [2022-07-12 16:06:20,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:06:20,410 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) [2022-07-12 16:06:20,445 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 [2022-07-12 16:06:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:06:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:06:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:06:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:06:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:06:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:06:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-12 16:06:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-12 16:06:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-12 16:06:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-12 16:06:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:06:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:06:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-12 16:06:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-12 16:06:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:06:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:06:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 16:06:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 16:06:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-12 16:06:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-12 16:06:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-12 16:06:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-12 16:06:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 16:06:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 16:06:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-12 16:06:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-12 16:06:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:06:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:06:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-12 16:06:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-12 16:06:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-12 16:06:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-12 16:06:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-12 16:06:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-12 16:06:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 16:06:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 16:06:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:06:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:06:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:06:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:06:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-12 16:06:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-12 16:06:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-12 16:06:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-12 16:06:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-12 16:06:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-12 16:06:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:06:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:06:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:06:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:06:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:06:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:06:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 16:06:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 16:06:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:06:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:06:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 16:06:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-12 16:06:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:06:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:06:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:06:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:06:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 16:06:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 16:06:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:06:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:06:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:06:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:06:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:06:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-12 16:06:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-12 16:06:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 16:06:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 16:06:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:06:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:06:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-12 16:06:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-12 16:06:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:06:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:06:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-12 16:06:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-12 16:06:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:06:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-12 16:06:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-12 16:06:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-12 16:06:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-12 16:06:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-12 16:06:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-12 16:06:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:06:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:06:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:06:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:06:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:06:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:06:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:06:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-12 16:06:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-12 16:06:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:06:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:06:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:06:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-12 16:06:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-12 16:06:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 16:06:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 16:06:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:06:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:06:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:06:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:06:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:06:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:06:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:06:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:06:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:06:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:06:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-12 16:06:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-12 16:06:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-12 16:06:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-12 16:06:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 16:06:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 16:06:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:06:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:06:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-12 16:06:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-12 16:06:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:06:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:06:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-12 16:06:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-12 16:06:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:06:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:06:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:06:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-12 16:06:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-12 16:06:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:06:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:06:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:06:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:06:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 16:06:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 16:06:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:06:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:06:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:06:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:06:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:06:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:06:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:06:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:06:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-12 16:06:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-12 16:06:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 16:06:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 16:06:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:06:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:06:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:06:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:06:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-12 16:06:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-12 16:06:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:06:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:06:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-12 16:06:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-12 16:06:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-12 16:06:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-12 16:06:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 16:06:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 16:06:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-12 16:06:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-12 16:06:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-12 16:06:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-12 16:06:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:06:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:06:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-12 16:06:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-12 16:06:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:06:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:06:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 16:06:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 16:06:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-12 16:06:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-12 16:06:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:06:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-12 16:06:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-12 16:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-12 16:06:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-12 16:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 16:06:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 16:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-12 16:06:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-12 16:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 16:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 16:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-12 16:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-12 16:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-12 16:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-12 16:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 16:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 16:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:06:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:06:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-12 16:06:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-12 16:06:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:06:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:06:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:06:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:06:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:06:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:06:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-12 16:06:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-12 16:06:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:06:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:06:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:06:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:06:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:06:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:06:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:06:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:06:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:06:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:06:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:06:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-12 16:06:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-12 16:06:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 16:06:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 16:06:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:06:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:06:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:06:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-12 16:06:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-12 16:06:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-12 16:06:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-12 16:06:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:06:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:06:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:06:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:06:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:06:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:06:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:06:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:06:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:06:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 16:06:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 16:06:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 16:06:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 16:06:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-12 16:06:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-12 16:06:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-12 16:06:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-12 16:06:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-12 16:06:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-12 16:06:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 16:06:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 16:06:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-12 16:06:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-12 16:06:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-12 16:06:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-12 16:06:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:06:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:06:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:06:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:06:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 16:06:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 16:06:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-12 16:06:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-12 16:06:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:06:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:06:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-12 16:06:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-12 16:06:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:06:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-12 16:06:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-12 16:06:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-12 16:06:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-12 16:06:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 16:06:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 16:06:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:06:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:06:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-12 16:06:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-12 16:06:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-12 16:06:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-12 16:06:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:06:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:06:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-12 16:06:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-12 16:06:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:06:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:06:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-12 16:06:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-12 16:06:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-12 16:06:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-12 16:06:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:06:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:06:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 16:06:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 16:06:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 16:06:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 16:06:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:06:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:06:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-12 16:06:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-12 16:06:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:06:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:06:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-12 16:06:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-12 16:06:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-12 16:06:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-12 16:06:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:06:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:06:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:06:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:06:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:06:21,373 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:06:21,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:06:22,251 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:06:26,159 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:06:26,241 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:06:26,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:06:26,260 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:06:26,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:06:26 BoogieIcfgContainer [2022-07-12 16:06:26,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:06:26,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:06:26,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:06:26,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:06:26,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:06:16" (1/3) ... [2022-07-12 16:06:26,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f01543e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:06:26, skipping insertion in model container [2022-07-12 16:06:26,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:19" (2/3) ... [2022-07-12 16:06:26,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f01543e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:06:26, skipping insertion in model container [2022-07-12 16:06:26,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:06:26" (3/3) ... [2022-07-12 16:06:26,271 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-12 16:06:26,281 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:06:26,281 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:06:26,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:06:26,370 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@3c5b8ce1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c6eac79 [2022-07-12 16:06:26,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:06:26,381 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) [2022-07-12 16:06:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-12 16:06:26,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:26,411 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] [2022-07-12 16:06:26,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash 193301742, now seen corresponding path program 1 times [2022-07-12 16:06:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:26,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914930610] [2022-07-12 16:06:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:06:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:06:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:06:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:06:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:06:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:06:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:06:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:06:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:06:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:06:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:06:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:06:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:06:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:06:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:06:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:06:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:06:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:06:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:06:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 16:06:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 16:06:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 16:06:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-12 16:06:27,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:06:27,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914930610] [2022-07-12 16:06:27,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914930610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:06:27,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:06:27,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:06:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452832924] [2022-07-12 16:06:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:06:27,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:06:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:06:27,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:06:27,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:06:27,593 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) [2022-07-12 16:06:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:06:32,828 INFO L93 Difference]: Finished difference Result 9558 states and 14241 transitions. [2022-07-12 16:06:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:06:32,830 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 [2022-07-12 16:06:32,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:06:32,887 INFO L225 Difference]: With dead ends: 9558 [2022-07-12 16:06:32,887 INFO L226 Difference]: Without dead ends: 6232 [2022-07-12 16:06:32,906 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 [2022-07-12 16:06:32,908 INFO L413 NwaCegarLoop]: 4957 mSDtfsCounter, 5178 mSDsluCounter, 5186 mSDsCounter, 0 mSdLazyCounter, 3322 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 10143 SdHoareTripleChecker+Invalid, 5582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:06:32,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5875 Valid, 10143 Invalid, 5582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 3322 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-12 16:06:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2022-07-12 16:06:33,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 6189. [2022-07-12 16:06:33,156 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) [2022-07-12 16:06:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6189 states to 6189 states and 8891 transitions. [2022-07-12 16:06:33,198 INFO L78 Accepts]: Start accepts. Automaton has 6189 states and 8891 transitions. Word has length 256 [2022-07-12 16:06:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:06:33,201 INFO L495 AbstractCegarLoop]: Abstraction has 6189 states and 8891 transitions. [2022-07-12 16:06:33,201 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) [2022-07-12 16:06:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6189 states and 8891 transitions. [2022-07-12 16:06:33,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-12 16:06:33,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:33,213 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] [2022-07-12 16:06:33,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:06:33,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash 592188440, now seen corresponding path program 1 times [2022-07-12 16:06:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:33,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395824548] [2022-07-12 16:06:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:06:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:06:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:06:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:06:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:06:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:06:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:06:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:06:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:06:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:06:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:06:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:06:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:06:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:06:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:06:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:06:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:06:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:06:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 16:06:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:06:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 16:06:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 16:06:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-12 16:06:33,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:06:33,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395824548] [2022-07-12 16:06:33,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395824548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:06:33,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:06:33,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:06:33,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965015474] [2022-07-12 16:06:33,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:06:33,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:06:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:06:33,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:06:33,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:06:33,737 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) [2022-07-12 16:06:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:06:38,628 INFO L93 Difference]: Finished difference Result 18157 states and 26183 transitions. [2022-07-12 16:06:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:06:38,629 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 [2022-07-12 16:06:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:06:38,710 INFO L225 Difference]: With dead ends: 18157 [2022-07-12 16:06:38,711 INFO L226 Difference]: Without dead ends: 12007 [2022-07-12 16:06:38,748 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 [2022-07-12 16:06:38,752 INFO L413 NwaCegarLoop]: 5792 mSDtfsCounter, 4730 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5392 SdHoareTripleChecker+Valid, 11327 SdHoareTripleChecker+Invalid, 5185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:06:38,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5392 Valid, 11327 Invalid, 5185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3275 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 16:06:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12007 states. [2022-07-12 16:06:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12007 to 11923. [2022-07-12 16:06:39,174 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) [2022-07-12 16:06:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11923 states to 11923 states and 17115 transitions. [2022-07-12 16:06:39,220 INFO L78 Accepts]: Start accepts. Automaton has 11923 states and 17115 transitions. Word has length 257 [2022-07-12 16:06:39,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:06:39,221 INFO L495 AbstractCegarLoop]: Abstraction has 11923 states and 17115 transitions. [2022-07-12 16:06:39,222 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) [2022-07-12 16:06:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 11923 states and 17115 transitions. [2022-07-12 16:06:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 16:06:39,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:39,231 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] [2022-07-12 16:06:39,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:06:39,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:39,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1241969718, now seen corresponding path program 1 times [2022-07-12 16:06:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:39,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815063105] [2022-07-12 16:06:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:39,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:06:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:06:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:06:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:06:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:06:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:06:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:06:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:06:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:06:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:06:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:06:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:06:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:06:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:06:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:06:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:06:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:06:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:06:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:06:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:06:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:06:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:06:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:06:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 16:06:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:06:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2022-07-12 16:06:39,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:06:39,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815063105] [2022-07-12 16:06:39,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815063105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:06:39,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:06:39,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:06:39,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140767070] [2022-07-12 16:06:39,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:06:39,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:06:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:06:39,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:06:39,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:06:39,831 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) [2022-07-12 16:06:43,844 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 [] [2022-07-12 16:06:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:06:51,381 INFO L93 Difference]: Finished difference Result 35395 states and 51077 transitions. [2022-07-12 16:06:51,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:06:51,382 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 [2022-07-12 16:06:51,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:06:51,495 INFO L225 Difference]: With dead ends: 35395 [2022-07-12 16:06:51,496 INFO L226 Difference]: Without dead ends: 23511 [2022-07-12 16:06:51,544 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 [2022-07-12 16:06:51,547 INFO L413 NwaCegarLoop]: 4408 mSDtfsCounter, 8527 mSDsluCounter, 3775 mSDsCounter, 0 mSdLazyCounter, 6819 mSolverCounterSat, 5113 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9012 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 11933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5113 IncrementalHoareTripleChecker+Valid, 6819 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:06:51,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9012 Valid, 8183 Invalid, 11933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5113 Valid, 6819 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-07-12 16:06:51,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23511 states. [2022-07-12 16:06:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23511 to 23345. [2022-07-12 16:06:52,142 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) [2022-07-12 16:06:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23345 states to 23345 states and 33630 transitions. [2022-07-12 16:06:52,386 INFO L78 Accepts]: Start accepts. Automaton has 23345 states and 33630 transitions. Word has length 269 [2022-07-12 16:06:52,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:06:52,386 INFO L495 AbstractCegarLoop]: Abstraction has 23345 states and 33630 transitions. [2022-07-12 16:06:52,386 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) [2022-07-12 16:06:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 23345 states and 33630 transitions. [2022-07-12 16:06:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-12 16:06:52,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:52,399 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] [2022-07-12 16:06:52,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:06:52,399 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:52,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1665766251, now seen corresponding path program 1 times [2022-07-12 16:06:52,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:52,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381705080] [2022-07-12 16:06:52,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:52,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:06:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:06:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:06:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:06:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:06:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:06:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:06:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:06:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:06:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:06:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:06:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:06:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:06:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:06:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:06:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:06:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:06:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:06:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 16:06:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:06:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:06:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:06:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 16:06:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 16:06:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 16:06:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-07-12 16:06:52,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:06:52,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381705080] [2022-07-12 16:06:52,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381705080] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:06:52,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:06:52,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:06:52,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665730521] [2022-07-12 16:06:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:06:52,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:06:52,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:06:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:06:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:06:52,832 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) [2022-07-12 16:06:58,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:06:58,039 INFO L93 Difference]: Finished difference Result 69482 states and 100346 transitions. [2022-07-12 16:06:58,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:06:58,040 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 [2022-07-12 16:06:58,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:06:58,258 INFO L225 Difference]: With dead ends: 69482 [2022-07-12 16:06:58,258 INFO L226 Difference]: Without dead ends: 46176 [2022-07-12 16:06:58,362 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 [2022-07-12 16:06:58,364 INFO L413 NwaCegarLoop]: 5972 mSDtfsCounter, 4812 mSDsluCounter, 5660 mSDsCounter, 0 mSdLazyCounter, 3205 mSolverCounterSat, 1891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 11632 SdHoareTripleChecker+Invalid, 5096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 3205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:06:58,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 11632 Invalid, 5096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 3205 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-12 16:06:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46176 states. [2022-07-12 16:06:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46176 to 45870. [2022-07-12 16:06:59,591 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) [2022-07-12 16:06:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45870 states to 45870 states and 66006 transitions. [2022-07-12 16:06:59,785 INFO L78 Accepts]: Start accepts. Automaton has 45870 states and 66006 transitions. Word has length 284 [2022-07-12 16:06:59,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:06:59,786 INFO L495 AbstractCegarLoop]: Abstraction has 45870 states and 66006 transitions. [2022-07-12 16:06:59,786 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) [2022-07-12 16:06:59,786 INFO L276 IsEmpty]: Start isEmpty. Operand 45870 states and 66006 transitions. [2022-07-12 16:06:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-12 16:06:59,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:59,801 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] [2022-07-12 16:06:59,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:06:59,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:59,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1364802546, now seen corresponding path program 1 times [2022-07-12 16:06:59,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:59,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577554010] [2022-07-12 16:06:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:59,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:07:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:07:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:07:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:07:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 16:07:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:07:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 16:07:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:07:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:07:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 16:07:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 16:07:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 16:07:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:07:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-12 16:07:00,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:00,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577554010] [2022-07-12 16:07:00,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577554010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:00,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:07:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299418871] [2022-07-12 16:07:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:00,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:07:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:07:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:07:00,481 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) [2022-07-12 16:07:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:05,867 INFO L93 Difference]: Finished difference Result 108874 states and 155966 transitions. [2022-07-12 16:07:05,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:07:05,870 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 [2022-07-12 16:07:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:06,326 INFO L225 Difference]: With dead ends: 108874 [2022-07-12 16:07:06,327 INFO L226 Difference]: Without dead ends: 63043 [2022-07-12 16:07:06,452 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 [2022-07-12 16:07:06,454 INFO L413 NwaCegarLoop]: 5265 mSDtfsCounter, 4280 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 3032 mSolverCounterSat, 1804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:06,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4878 Valid, 10609 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1804 Valid, 3032 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-12 16:07:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63043 states. [2022-07-12 16:07:08,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63043 to 62689. [2022-07-12 16:07:08,132 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) [2022-07-12 16:07:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62689 states to 62689 states and 89254 transitions. [2022-07-12 16:07:08,556 INFO L78 Accepts]: Start accepts. Automaton has 62689 states and 89254 transitions. Word has length 304 [2022-07-12 16:07:08,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:08,558 INFO L495 AbstractCegarLoop]: Abstraction has 62689 states and 89254 transitions. [2022-07-12 16:07:08,559 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) [2022-07-12 16:07:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 62689 states and 89254 transitions. [2022-07-12 16:07:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-12 16:07:08,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:08,574 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] [2022-07-12 16:07:08,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:07:08,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:08,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1704077765, now seen corresponding path program 1 times [2022-07-12 16:07:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:08,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000087792] [2022-07-12 16:07:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:07:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:07:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:07:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:07:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:07:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 16:07:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 16:07:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 16:07:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 16:07:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 16:07:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:07:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:07:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 16:07:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 16:07:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 16:07:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 16:07:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2022-07-12 16:07:09,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:09,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000087792] [2022-07-12 16:07:09,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000087792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:09,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:09,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:07:09,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697541160] [2022-07-12 16:07:09,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:09,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:07:09,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:09,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:07:09,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:07:09,212 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) [2022-07-12 16:07:11,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:21,388 INFO L93 Difference]: Finished difference Result 173747 states and 247371 transitions. [2022-07-12 16:07:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:07:21,389 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 [2022-07-12 16:07:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:21,933 INFO L225 Difference]: With dead ends: 173747 [2022-07-12 16:07:21,933 INFO L226 Difference]: Without dead ends: 111097 [2022-07-12 16:07:22,122 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 [2022-07-12 16:07:22,123 INFO L413 NwaCegarLoop]: 4322 mSDtfsCounter, 8178 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 6799 mSolverCounterSat, 4980 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8671 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 11779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4980 IncrementalHoareTripleChecker+Valid, 6799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:22,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8671 Valid, 7997 Invalid, 11779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4980 Valid, 6799 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-12 16:07:22,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111097 states. [2022-07-12 16:07:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111097 to 110381. [2022-07-12 16:07:25,011 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) [2022-07-12 16:07:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110381 states to 110381 states and 156607 transitions. [2022-07-12 16:07:25,558 INFO L78 Accepts]: Start accepts. Automaton has 110381 states and 156607 transitions. Word has length 335 [2022-07-12 16:07:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:25,559 INFO L495 AbstractCegarLoop]: Abstraction has 110381 states and 156607 transitions. [2022-07-12 16:07:25,559 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) [2022-07-12 16:07:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 110381 states and 156607 transitions. [2022-07-12 16:07:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-12 16:07:25,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:25,798 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] [2022-07-12 16:07:25,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:07:25,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:25,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -307776352, now seen corresponding path program 1 times [2022-07-12 16:07:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:25,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892881902] [2022-07-12 16:07:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:07:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:07:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:07:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:07:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:07:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 16:07:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 16:07:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 16:07:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:07:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:07:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 16:07:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:07:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:07:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 16:07:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 16:07:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2022-07-12 16:07:26,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:26,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892881902] [2022-07-12 16:07:26,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892881902] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:26,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:26,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:07:26,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811655045] [2022-07-12 16:07:26,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:26,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:07:26,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:26,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:07:26,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:07:26,219 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) [2022-07-12 16:07:33,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:33,781 INFO L93 Difference]: Finished difference Result 269826 states and 383288 transitions. [2022-07-12 16:07:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:07:33,782 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 [2022-07-12 16:07:33,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:34,415 INFO L225 Difference]: With dead ends: 269826 [2022-07-12 16:07:34,415 INFO L226 Difference]: Without dead ends: 159603 [2022-07-12 16:07:34,867 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 [2022-07-12 16:07:34,868 INFO L413 NwaCegarLoop]: 8236 mSDtfsCounter, 4275 mSDsluCounter, 7037 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 1463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:34,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4946 Valid, 15273 Invalid, 4708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1463 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 16:07:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159603 states. [2022-07-12 16:07:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159603 to 158613. [2022-07-12 16:07:38,878 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) [2022-07-12 16:07:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158613 states to 158613 states and 224566 transitions. [2022-07-12 16:07:39,549 INFO L78 Accepts]: Start accepts. Automaton has 158613 states and 224566 transitions. Word has length 327 [2022-07-12 16:07:39,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:39,549 INFO L495 AbstractCegarLoop]: Abstraction has 158613 states and 224566 transitions. [2022-07-12 16:07:39,550 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) [2022-07-12 16:07:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 158613 states and 224566 transitions. [2022-07-12 16:07:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-12 16:07:39,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:39,567 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] [2022-07-12 16:07:39,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:07:39,568 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:39,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:39,568 INFO L85 PathProgramCache]: Analyzing trace with hash -123706751, now seen corresponding path program 1 times [2022-07-12 16:07:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:39,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703022917] [2022-07-12 16:07:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:39,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:07:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:07:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:07:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:07:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:07:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 16:07:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 16:07:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 16:07:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 16:07:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 16:07:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 16:07:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 16:07:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-12 16:07:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:07:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 16:07:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 16:07:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 16:07:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-12 16:07:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-07-12 16:07:40,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:40,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703022917] [2022-07-12 16:07:40,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703022917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:40,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:40,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:07:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004728512] [2022-07-12 16:07:40,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:40,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:07:40,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:07:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:07:40,420 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) [2022-07-12 16:07:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:50,446 INFO L93 Difference]: Finished difference Result 422195 states and 600357 transitions. [2022-07-12 16:07:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:07:50,446 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 [2022-07-12 16:07:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:51,704 INFO L225 Difference]: With dead ends: 422195 [2022-07-12 16:07:51,704 INFO L226 Difference]: Without dead ends: 263740 [2022-07-12 16:07:52,401 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 [2022-07-12 16:07:52,402 INFO L413 NwaCegarLoop]: 7962 mSDtfsCounter, 4490 mSDsluCounter, 6919 mSDsCounter, 0 mSdLazyCounter, 3204 mSolverCounterSat, 1508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5178 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 3204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:52,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5178 Valid, 14881 Invalid, 4712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 3204 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-12 16:07:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263740 states.