/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:51:48,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:51:48,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:51:48,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:51:48,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:51:48,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:51:48,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:51:48,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:51:48,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:51:48,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:51:48,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:51:48,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:51:48,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:51:48,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:51:48,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:51:48,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:51:48,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:51:48,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:51:48,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:51:48,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:51:48,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:51:48,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:51:48,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:51:48,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:51:48,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:51:48,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:51:48,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:51:48,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:51:48,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:51:48,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:51:48,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:51:48,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:51:48,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:51:48,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:51:48,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:51:48,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:51:48,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:51:48,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:51:48,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:51:48,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:51:48,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:51:48,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 20:51:48,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:51:48,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:51:48,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:51:48,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:51:48,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:51:48,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:51:48,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:51:48,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:51:48,608 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:51:48,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:51:48,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:51:48,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:51:48,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:51:48,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:51:48,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:51:48,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:51:48,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:51:48,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:51:48,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:51:48,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:51:48,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:51:48,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:51:48,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:51:48,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:51:48,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:51:48,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:51:48,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:48,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:51:48,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:51:48,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:51:48,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:51:48,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:51:48,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:51:48,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:51:49,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:51:49,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:51:49,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:51:49,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:51:49,077 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:51:49,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:51:49,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e2b59ab/5464e1bfd3cf43338ae39dea630bc2fc/FLAGa5e9a2d74 [2022-10-15 20:51:50,451 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:51:50,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:51:50,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e2b59ab/5464e1bfd3cf43338ae39dea630bc2fc/FLAGa5e9a2d74 [2022-10-15 20:51:50,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e2b59ab/5464e1bfd3cf43338ae39dea630bc2fc [2022-10-15 20:51:50,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:51:50,715 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:51:50,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:50,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:51:50,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:51:50,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:50" (1/1) ... [2022-10-15 20:51:50,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b4356f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:50, skipping insertion in model container [2022-10-15 20:51:50,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:50" (1/1) ... [2022-10-15 20:51:50,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:51:50,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:51:54,452 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2022-10-15 20:51:54,454 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2022-10-15 20:51:54,458 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2022-10-15 20:51:54,459 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2022-10-15 20:51:54,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:54,572 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:51:55,096 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2022-10-15 20:51:55,097 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2022-10-15 20:51:55,097 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2022-10-15 20:51:55,098 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-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2022-10-15 20:51:55,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:55,353 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:51:55,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55 WrapperNode [2022-10-15 20:51:55,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:55,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:55,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:51:55,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:51:55,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,773 INFO L138 Inliner]: procedures = 412, calls = 1642, calls flagged for inlining = 194, calls inlined = 177, statements flattened = 4155 [2022-10-15 20:51:55,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:55,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:51:55,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:51:55,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:51:55,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:55,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:56,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:56,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:56,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:56,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:51:56,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:51:56,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:51:56,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:51:56,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (1/1) ... [2022-10-15 20:51:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:56,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:51:56,206 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) [2022-10-15 20:51:56,227 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 [2022-10-15 20:51:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 20:51:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 20:51:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:51:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:51:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-15 20:51:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-15 20:51:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 20:51:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 20:51:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:51:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:51:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 20:51:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 20:51:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 20:51:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 20:51:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-10-15 20:51:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-10-15 20:51:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-15 20:51:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-15 20:51:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-15 20:51:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-15 20:51:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-10-15 20:51:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-10-15 20:51:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-10-15 20:51:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-10-15 20:51:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 20:51:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 20:51:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:51:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:51:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 20:51:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 20:51:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 20:51:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-15 20:51:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 20:51:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 20:51:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:51:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:51:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-10-15 20:51:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-10-15 20:51:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:51:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-10-15 20:51:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-10-15 20:51:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:51:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:51:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:51:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 20:51:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 20:51:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:51:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:51:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:51:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-10-15 20:51:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-10-15 20:51:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-10-15 20:51:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-10-15 20:51:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:51:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-10-15 20:51:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-10-15 20:51:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:51:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:51:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:51:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:51:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:51:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:51:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:51:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:51:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:51:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:51:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 20:51:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 20:51:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 20:51:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 20:51:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-10-15 20:51:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-10-15 20:51:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-15 20:51:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-15 20:51:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-10-15 20:51:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-10-15 20:51:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:51:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-15 20:51:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-15 20:51:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:51:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:51:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:51:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-10-15 20:51:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-10-15 20:51:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:51:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:51:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 20:51:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 20:51:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:51:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:51:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:51:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:51:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:51:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:51:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:51:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 20:51:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 20:51:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:51:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:51:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-15 20:51:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-15 20:51:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:51:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:51:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-10-15 20:51:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-10-15 20:51:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-10-15 20:51:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-10-15 20:51:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:51:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:51:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:51:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:51:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 20:51:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 20:51:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 20:51:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 20:51:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-10-15 20:51:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-10-15 20:51:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:51:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:51:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 20:51:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 20:51:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-15 20:51:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-15 20:51:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:51:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:51:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 20:51:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 20:51:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-10-15 20:51:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-10-15 20:51:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-10-15 20:51:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-10-15 20:51:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 20:51:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 20:51:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:51:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 20:51:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 20:51:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:51:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-15 20:51:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-15 20:51:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:51:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:51:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:51:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:51:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:51:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-10-15 20:51:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-10-15 20:51:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:51:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:51:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-10-15 20:51:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-10-15 20:51:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-10-15 20:51:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-10-15 20:51:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-10-15 20:51:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-10-15 20:51:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-10-15 20:51:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-10-15 20:51:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:51:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:51:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:51:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-10-15 20:51:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-10-15 20:51:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-10-15 20:51:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-10-15 20:51:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:51:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:51:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-15 20:51:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-15 20:51:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 20:51:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 20:51:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-10-15 20:51:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-10-15 20:51:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:51:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:51:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:51:57,232 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:51:57,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:51:57,810 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:52:01,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:52:01,413 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:52:01,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:52:01,459 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 20:52:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:01 BoogieIcfgContainer [2022-10-15 20:52:01,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:52:01,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:52:01,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:52:01,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:52:01,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:51:50" (1/3) ... [2022-10-15 20:52:01,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5643adc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:01, skipping insertion in model container [2022-10-15 20:52:01,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:55" (2/3) ... [2022-10-15 20:52:01,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5643adc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:52:01, skipping insertion in model container [2022-10-15 20:52:01,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:52:01" (3/3) ... [2022-10-15 20:52:01,485 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:52:01,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:52:01,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-15 20:52:01,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:52:01,724 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@328ff56c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:52:01,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-15 20:52:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 1582 states, 1078 states have (on average 1.3256029684601114) internal successors, (1429), 1134 states have internal predecessors, (1429), 390 states have call successors, (390), 79 states have call predecessors, (390), 78 states have return successors, (384), 378 states have call predecessors, (384), 384 states have call successors, (384) [2022-10-15 20:52:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 20:52:01,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:01,817 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:01,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] === [2022-10-15 20:52:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:01,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1694675918, now seen corresponding path program 1 times [2022-10-15 20:52:01,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:01,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997986274] [2022-10-15 20:52:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:52:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-15 20:52:03,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:03,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997986274] [2022-10-15 20:52:03,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997986274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:03,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:03,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490374030] [2022-10-15 20:52:03,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:03,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:03,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:03,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:03,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:03,606 INFO L87 Difference]: Start difference. First operand has 1582 states, 1078 states have (on average 1.3256029684601114) internal successors, (1429), 1134 states have internal predecessors, (1429), 390 states have call successors, (390), 79 states have call predecessors, (390), 78 states have return successors, (384), 378 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 20:52:08,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:08,607 INFO L93 Difference]: Finished difference Result 4398 states and 6353 transitions. [2022-10-15 20:52:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:52:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 138 [2022-10-15 20:52:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:08,664 INFO L225 Difference]: With dead ends: 4398 [2022-10-15 20:52:08,664 INFO L226 Difference]: Without dead ends: 2760 [2022-10-15 20:52:08,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:08,695 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 2356 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 1107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 4192 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1107 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:08,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 4192 Invalid, 2866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1107 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-15 20:52:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2022-10-15 20:52:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2475. [2022-10-15 20:52:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 1748 states have (on average 1.3049199084668193) internal successors, (2281), 1805 states have internal predecessors, (2281), 574 states have call successors, (574), 127 states have call predecessors, (574), 127 states have return successors, (574), 564 states have call predecessors, (574), 574 states have call successors, (574) [2022-10-15 20:52:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3429 transitions. [2022-10-15 20:52:09,038 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3429 transitions. Word has length 138 [2022-10-15 20:52:09,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:09,039 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3429 transitions. [2022-10-15 20:52:09,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 20:52:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3429 transitions. [2022-10-15 20:52:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-15 20:52:09,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:09,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-10-15 20:52:09,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:52:09,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting send_filter_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] === [2022-10-15 20:52:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:09,062 INFO L85 PathProgramCache]: Analyzing trace with hash 867120044, now seen corresponding path program 1 times [2022-10-15 20:52:09,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:09,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414622399] [2022-10-15 20:52:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:09,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:52:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 20:52:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 20:52:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-10-15 20:52:09,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:09,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414622399] [2022-10-15 20:52:09,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414622399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:09,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:09,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:09,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339336525] [2022-10-15 20:52:09,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:09,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:09,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:09,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:09,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:09,853 INFO L87 Difference]: Start difference. First operand 2475 states and 3429 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-10-15 20:52:16,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:16,596 INFO L93 Difference]: Finished difference Result 7581 states and 10585 transitions. [2022-10-15 20:52:16,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:16,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 172 [2022-10-15 20:52:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:16,666 INFO L225 Difference]: With dead ends: 7581 [2022-10-15 20:52:16,666 INFO L226 Difference]: Without dead ends: 5129 [2022-10-15 20:52:16,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 20:52:16,697 INFO L413 NwaCegarLoop]: 2075 mSDtfsCounter, 4040 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 2528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 4444 SdHoareTripleChecker+Invalid, 5076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2528 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:16,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4246 Valid, 4444 Invalid, 5076 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2528 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-15 20:52:16,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2022-10-15 20:52:17,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 4564. [2022-10-15 20:52:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4564 states, 3230 states have (on average 1.3058823529411765) internal successors, (4218), 3314 states have internal predecessors, (4218), 1064 states have call successors, (1064), 244 states have call predecessors, (1064), 244 states have return successors, (1066), 1044 states have call predecessors, (1066), 1064 states have call successors, (1066) [2022-10-15 20:52:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 6348 transitions. [2022-10-15 20:52:17,289 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 6348 transitions. Word has length 172 [2022-10-15 20:52:17,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:17,293 INFO L495 AbstractCegarLoop]: Abstraction has 4564 states and 6348 transitions. [2022-10-15 20:52:17,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-10-15 20:52:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 6348 transitions. [2022-10-15 20:52:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-15 20:52:17,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:17,301 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 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] [2022-10-15 20:52:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:52:17,302 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] === [2022-10-15 20:52:17,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash -492504294, now seen corresponding path program 1 times [2022-10-15 20:52:17,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:17,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440560036] [2022-10-15 20:52:17,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 20:52:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 20:52:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:52:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:52:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 20:52:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-15 20:52:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 20:52:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:52:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:52:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 20:52:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-10-15 20:52:18,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:18,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440560036] [2022-10-15 20:52:18,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440560036] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:18,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:18,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:18,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207266569] [2022-10-15 20:52:18,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:18,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:18,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:18,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:18,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:18,014 INFO L87 Difference]: Start difference. First operand 4564 states and 6348 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-15 20:52:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:24,245 INFO L93 Difference]: Finished difference Result 13668 states and 19058 transitions. [2022-10-15 20:52:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:24,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 188 [2022-10-15 20:52:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:24,337 INFO L225 Difference]: With dead ends: 13668 [2022-10-15 20:52:24,338 INFO L226 Difference]: Without dead ends: 9127 [2022-10-15 20:52:24,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 20:52:24,377 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 3915 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 2431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4122 SdHoareTripleChecker+Valid, 4629 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2431 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:24,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4122 Valid, 4629 Invalid, 4882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2431 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-15 20:52:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9127 states. [2022-10-15 20:52:25,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9127 to 8051. [2022-10-15 20:52:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8051 states, 5717 states have (on average 1.297358754591569) internal successors, (7417), 5854 states have internal predecessors, (7417), 1850 states have call successors, (1850), 462 states have call predecessors, (1850), 458 states have return successors, (1854), 1803 states have call predecessors, (1854), 1850 states have call successors, (1854) [2022-10-15 20:52:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8051 states to 8051 states and 11121 transitions. [2022-10-15 20:52:25,147 INFO L78 Accepts]: Start accepts. Automaton has 8051 states and 11121 transitions. Word has length 188 [2022-10-15 20:52:25,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:25,149 INFO L495 AbstractCegarLoop]: Abstraction has 8051 states and 11121 transitions. [2022-10-15 20:52:25,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-10-15 20:52:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8051 states and 11121 transitions. [2022-10-15 20:52:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-15 20:52:25,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:25,158 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-10-15 20:52:25,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 20:52:25,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting uli526x_interruptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] === [2022-10-15 20:52:25,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 161279779, now seen corresponding path program 1 times [2022-10-15 20:52:25,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:25,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998169904] [2022-10-15 20:52:25,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-15 20:52:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 20:52:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:52:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:52:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 20:52:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 20:52:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 20:52:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-15 20:52:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-15 20:52:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-15 20:52:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-10-15 20:52:25,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:25,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998169904] [2022-10-15 20:52:25,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998169904] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:25,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:25,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:25,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673801088] [2022-10-15 20:52:25,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:25,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:25,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:25,861 INFO L87 Difference]: Start difference. First operand 8051 states and 11121 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-10-15 20:52:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:32,613 INFO L93 Difference]: Finished difference Result 25387 states and 35390 transitions. [2022-10-15 20:52:32,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:32,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 205 [2022-10-15 20:52:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:32,776 INFO L225 Difference]: With dead ends: 25387 [2022-10-15 20:52:32,776 INFO L226 Difference]: Without dead ends: 17359 [2022-10-15 20:52:32,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 20:52:32,840 INFO L413 NwaCegarLoop]: 2260 mSDtfsCounter, 4157 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 2524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 4833 SdHoareTripleChecker+Invalid, 5064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2524 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:32,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4384 Valid, 4833 Invalid, 5064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2524 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-15 20:52:32,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17359 states.