/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-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:51:47,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:51:47,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:51:47,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:51:47,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:51:47,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:51:47,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:51:47,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:51:47,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:51:47,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:51:47,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:51:47,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:51:47,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:51:47,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:51:47,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:51:47,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:51:47,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:51:47,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:51:47,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:51:47,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:51:47,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:51:47,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:51:47,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:51:47,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:51:47,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:51:47,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:51:47,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:51:47,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:51:47,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:51:47,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:51:47,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:51:47,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:51:47,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:51:47,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:51:47,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:51:47,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:51:47,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:51:47,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:51:47,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:51:47,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:51:47,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:51:47,740 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 20:51:47,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:51:47,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:51:47,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:51:47,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:51:47,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:51:47,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:51:47,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:51:47,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:51:47,774 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:51:47,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:51:47,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:51:47,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:51:47,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:51:47,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:51:47,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:51:47,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:51:47,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:51:47,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:51:47,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:51:47,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:51:47,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:51:47,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:51:47,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:51:47,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:51:47,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:51:47,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:51:47,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:47,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:51:47,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:51:47,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:51:47,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:51:47,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:51:47,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:51:47,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:51:48,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:51:48,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:51:48,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:51:48,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:51:48,302 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:51:48,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:51:48,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3b8bd88/b44bd40937304a028e8e734443427f3e/FLAGf80c44b5e [2022-10-15 20:51:49,641 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:51:49,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:51:49,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3b8bd88/b44bd40937304a028e8e734443427f3e/FLAGf80c44b5e [2022-10-15 20:51:49,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3b8bd88/b44bd40937304a028e8e734443427f3e [2022-10-15 20:51:49,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:51:49,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:51:49,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:49,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:51:49,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:51:49,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:49" (1/1) ... [2022-10-15 20:51:49,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bac2806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:49, skipping insertion in model container [2022-10-15 20:51:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:51:49" (1/1) ... [2022-10-15 20:51:49,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:51:50,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:51:53,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-10-15 20:51:53,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-10-15 20:51:53,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:53,449 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:51:53,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-10-15 20:51:53,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-10-15 20:51:53,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:51:54,179 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:51:54,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54 WrapperNode [2022-10-15 20:51:54,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:51:54,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:54,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:51:54,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:51:54,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,458 INFO L138 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4239 [2022-10-15 20:51:54,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:51:54,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:51:54,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:51:54,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:51:54,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:51:54,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:51:54,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:51:54,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:51:54,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (1/1) ... [2022-10-15 20:51:54,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:51:54,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:51:54,844 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 20:51:54,864 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 20:51:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-10-15 20:51:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-10-15 20:51:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 20:51:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 20:51:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:51:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:51:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-15 20:51:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-15 20:51:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 20:51:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 20:51:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:51:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:51:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 20:51:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 20:51:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-15 20:51:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-15 20:51:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-15 20:51:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-15 20:51:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-10-15 20:51:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-10-15 20:51:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-10-15 20:51:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-10-15 20:51:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 20:51:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 20:51:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:51:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:51:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 20:51:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 20:51:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 20:51:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-15 20:51:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 20:51:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 20:51:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:51:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:51:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-10-15 20:51:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-10-15 20:51:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:51:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-10-15 20:51:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-10-15 20:51:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:51:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:51:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 20:51:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 20:51:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 20:51:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:51:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:51:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:51:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-10-15 20:51:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-10-15 20:51:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-10-15 20:51:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-10-15 20:51:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:51:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-10-15 20:51:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-10-15 20:51:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:51:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:51:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 20:51:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 20:51:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:51:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:51:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:51:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:51:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 20:51:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 20:51:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 20:51:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 20:51:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 20:51:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 20:51:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 20:51:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 20:51:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-10-15 20:51:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-10-15 20:51:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-10-15 20:51:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-10-15 20:51:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:51:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-15 20:51:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-15 20:51:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:51:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:51:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:51:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-10-15 20:51:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-10-15 20:51:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:51:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:51:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 20:51:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 20:51:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:51:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:51:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 20:51:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:51:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:51:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-15 20:51:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-15 20:51:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:51:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:51:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:51:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:51:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 20:51:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 20:51:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:51:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:51:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-15 20:51:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-15 20:51:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:51:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:51:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-10-15 20:51:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-10-15 20:51:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-10-15 20:51:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-10-15 20:51:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 20:51:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 20:51:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:51:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:51:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 20:51:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 20:51:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-10-15 20:51:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-10-15 20:51:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:51:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:51:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 20:51:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 20:51:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-15 20:51:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-15 20:51:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:51:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:51:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 20:51:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 20:51:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-10-15 20:51:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-10-15 20:51:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-10-15 20:51:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-10-15 20:51:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-15 20:51:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-15 20:51:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:51:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 20:51:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 20:51:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:51:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-15 20:51:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-15 20:51:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:51:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:51:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:51:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:51:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:51:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-10-15 20:51:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-10-15 20:51:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:51:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:51:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-10-15 20:51:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-10-15 20:51:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-10-15 20:51:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-10-15 20:51:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-10-15 20:51:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-10-15 20:51:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-10-15 20:51:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-10-15 20:51:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:51:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:51:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:51:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-10-15 20:51:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-10-15 20:51:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-10-15 20:51:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-10-15 20:51:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:51:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:51:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-15 20:51:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-15 20:51:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 20:51:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 20:51:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-10-15 20:51:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-10-15 20:51:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:51:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:51:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:51:55,833 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:51:55,837 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:51:56,295 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:51:58,945 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:51:59,303 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:51:59,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:51:59,324 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 20:51:59,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:51:59 BoogieIcfgContainer [2022-10-15 20:51:59,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:51:59,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:51:59,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:51:59,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:51:59,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:51:49" (1/3) ... [2022-10-15 20:51:59,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fbca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:51:59, skipping insertion in model container [2022-10-15 20:51:59,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:51:54" (2/3) ... [2022-10-15 20:51:59,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fbca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:51:59, skipping insertion in model container [2022-10-15 20:51:59,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:51:59" (3/3) ... [2022-10-15 20:51:59,341 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-10-15 20:51:59,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:51:59,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-15 20:51:59,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:51:59,499 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;@5b0be1ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:51:59,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-15 20:51:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 1593 states, 1088 states have (on average 1.3327205882352942) internal successors, (1450), 1144 states have internal predecessors, (1450), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2022-10-15 20:51:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 20:51:59,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:51:59,550 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 20:51:59,551 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 20:51:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:51:59,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1239675188, now seen corresponding path program 1 times [2022-10-15 20:51:59,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:51:59,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846705461] [2022-10-15 20:51:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:51:59,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:52:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:00,861 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 20:52:00,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:00,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846705461] [2022-10-15 20:52:00,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846705461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:00,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:00,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:52:00,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281576057] [2022-10-15 20:52:00,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:00,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:52:00,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:00,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:52:00,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:52:00,988 INFO L87 Difference]: Start difference. First operand has 1593 states, 1088 states have (on average 1.3327205882352942) internal successors, (1450), 1144 states have internal predecessors, (1450), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) 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 20:52:05,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:05,543 INFO L93 Difference]: Finished difference Result 4423 states and 6349 transitions. [2022-10-15 20:52:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:52:05,546 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 20:52:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:05,612 INFO L225 Difference]: With dead ends: 4423 [2022-10-15 20:52:05,612 INFO L226 Difference]: Without dead ends: 2782 [2022-10-15 20:52:05,639 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 20:52:05,644 INFO L413 NwaCegarLoop]: 2257 mSDtfsCounter, 2422 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 1114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2710 SdHoareTripleChecker+Valid, 4192 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:05,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 4192 Invalid, 2899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1114 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-15 20:52:05,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2022-10-15 20:52:05,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2505. [2022-10-15 20:52:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 1774 states have (on average 1.3151071025930101) internal successors, (2333), 1831 states have internal predecessors, (2333), 576 states have call successors, (576), 129 states have call predecessors, (576), 129 states have return successors, (576), 566 states have call predecessors, (576), 576 states have call successors, (576) [2022-10-15 20:52:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3485 transitions. [2022-10-15 20:52:06,025 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3485 transitions. Word has length 138 [2022-10-15 20:52:06,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:06,028 INFO L495 AbstractCegarLoop]: Abstraction has 2505 states and 3485 transitions. [2022-10-15 20:52:06,029 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 20:52:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3485 transitions. [2022-10-15 20:52:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 20:52:06,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:06,050 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] [2022-10-15 20:52:06,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:52:06,051 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 20:52:06,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:06,052 INFO L85 PathProgramCache]: Analyzing trace with hash -237643054, now seen corresponding path program 1 times [2022-10-15 20:52:06,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:06,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653630055] [2022-10-15 20:52:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:52:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:52:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 20:52:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:52:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 20:52:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:07,001 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 20:52:07,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:07,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653630055] [2022-10-15 20:52:07,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653630055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:07,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:07,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:07,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144147365] [2022-10-15 20:52:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:07,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:07,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:07,010 INFO L87 Difference]: Start difference. First operand 2505 states and 3485 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 20:52:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:12,410 INFO L93 Difference]: Finished difference Result 7655 states and 10721 transitions. [2022-10-15 20:52:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 171 [2022-10-15 20:52:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:12,448 INFO L225 Difference]: With dead ends: 7655 [2022-10-15 20:52:12,448 INFO L226 Difference]: Without dead ends: 5173 [2022-10-15 20:52:12,463 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 20:52:12,470 INFO L413 NwaCegarLoop]: 2095 mSDtfsCounter, 4158 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 2532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4364 SdHoareTripleChecker+Valid, 4457 SdHoareTripleChecker+Invalid, 5089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2532 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:12,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4364 Valid, 4457 Invalid, 5089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2532 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-15 20:52:12,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2022-10-15 20:52:12,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 4624. [2022-10-15 20:52:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4624 states, 3282 states have (on average 1.3168799512492382) internal successors, (4322), 3366 states have internal predecessors, (4322), 1068 states have call successors, (1068), 248 states have call predecessors, (1068), 248 states have return successors, (1070), 1048 states have call predecessors, (1070), 1068 states have call successors, (1070) [2022-10-15 20:52:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 6460 transitions. [2022-10-15 20:52:12,815 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 6460 transitions. Word has length 171 [2022-10-15 20:52:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:12,816 INFO L495 AbstractCegarLoop]: Abstraction has 4624 states and 6460 transitions. [2022-10-15 20:52:12,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 20:52:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 6460 transitions. [2022-10-15 20:52:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 20:52:12,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:12,822 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] [2022-10-15 20:52:12,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:52:12,822 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 20:52:12,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:12,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1039883559, now seen corresponding path program 1 times [2022-10-15 20:52:12,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:12,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121032197] [2022-10-15 20:52:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:12,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 20:52:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 20:52:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:52:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 20:52:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 20:52:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 20:52:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 20:52:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 20:52:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:52:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:52:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 20:52:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:13,371 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 20:52:13,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:13,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121032197] [2022-10-15 20:52:13,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121032197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:13,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:13,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:13,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132035577] [2022-10-15 20:52:13,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:13,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:13,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:13,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:13,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:13,375 INFO L87 Difference]: Start difference. First operand 4624 states and 6460 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 20:52:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:18,637 INFO L93 Difference]: Finished difference Result 13816 states and 19330 transitions. [2022-10-15 20:52:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:18,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 187 [2022-10-15 20:52:18,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:18,713 INFO L225 Difference]: With dead ends: 13816 [2022-10-15 20:52:18,713 INFO L226 Difference]: Without dead ends: 9215 [2022-10-15 20:52:18,747 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 20:52:18,753 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 4007 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 2478 mSolverCounterSat, 2427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 4670 SdHoareTripleChecker+Invalid, 4905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2427 IncrementalHoareTripleChecker+Valid, 2478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:18,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4212 Valid, 4670 Invalid, 4905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2427 Valid, 2478 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-15 20:52:18,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9215 states. [2022-10-15 20:52:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9215 to 8171. [2022-10-15 20:52:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 5821 states have (on average 1.3099123861879403) internal successors, (7625), 5958 states have internal predecessors, (7625), 1858 states have call successors, (1858), 470 states have call predecessors, (1858), 466 states have return successors, (1862), 1811 states have call predecessors, (1862), 1858 states have call successors, (1862) [2022-10-15 20:52:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11345 transitions. [2022-10-15 20:52:19,408 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11345 transitions. Word has length 187 [2022-10-15 20:52:19,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:19,411 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 11345 transitions. [2022-10-15 20:52:19,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 20:52:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11345 transitions. [2022-10-15 20:52:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-10-15 20:52:19,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:19,419 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] [2022-10-15 20:52:19,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 20:52:19,420 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 20:52:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash -61433700, now seen corresponding path program 1 times [2022-10-15 20:52:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:19,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249466740] [2022-10-15 20:52:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-15 20:52:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 20:52:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:52:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 20:52:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 20:52:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 20:52:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:52:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 20:52:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:52:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-10-15 20:52:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-15 20:52:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:20,092 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 20:52:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:20,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249466740] [2022-10-15 20:52:20,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249466740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:20,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:20,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161948187] [2022-10-15 20:52:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:20,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:20,095 INFO L87 Difference]: Start difference. First operand 8171 states and 11345 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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 20:52:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:25,661 INFO L93 Difference]: Finished difference Result 25672 states and 35914 transitions. [2022-10-15 20:52:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:25,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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 204 [2022-10-15 20:52:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:25,793 INFO L225 Difference]: With dead ends: 25672 [2022-10-15 20:52:25,793 INFO L226 Difference]: Without dead ends: 17524 [2022-10-15 20:52:25,838 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 20:52:25,839 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 4275 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 2559 mSolverCounterSat, 2522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 4855 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2522 IncrementalHoareTripleChecker+Valid, 2559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:25,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 4855 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2522 Valid, 2559 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-15 20:52:25,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17524 states. [2022-10-15 20:52:26,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17524 to 15676. [2022-10-15 20:52:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15676 states, 11193 states have (on average 1.3091217725364066) internal successors, (14653), 11445 states have internal predecessors, (14653), 3568 states have call successors, (3568), 901 states have call predecessors, (3568), 889 states have return successors, (3584), 3463 states have call predecessors, (3584), 3568 states have call successors, (3584) [2022-10-15 20:52:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15676 states to 15676 states and 21805 transitions. [2022-10-15 20:52:27,084 INFO L78 Accepts]: Start accepts. Automaton has 15676 states and 21805 transitions. Word has length 204 [2022-10-15 20:52:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:52:27,086 INFO L495 AbstractCegarLoop]: Abstraction has 15676 states and 21805 transitions. [2022-10-15 20:52:27,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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 20:52:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15676 states and 21805 transitions. [2022-10-15 20:52:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-15 20:52:27,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:52:27,095 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:52:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 20:52:27,095 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 20:52:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:52:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1076571190, now seen corresponding path program 1 times [2022-10-15 20:52:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:52:27,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882297914] [2022-10-15 20:52:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:52:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:52:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:52:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:52:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:52:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:52:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:52:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:52:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:52:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:52:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:52:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 20:52:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 20:52:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-15 20:52:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 20:52:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 20:52:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 20:52:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:52:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 20:52:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:52:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-15 20:52:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-15 20:52:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:52:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 20:52:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 20:52:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:52:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:52:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 20:52:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:52:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-10-15 20:52:27,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:52:27,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882297914] [2022-10-15 20:52:27,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882297914] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:52:27,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:52:27,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 20:52:27,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878596070] [2022-10-15 20:52:27,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:52:27,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 20:52:27,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:52:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 20:52:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:52:27,779 INFO L87 Difference]: Start difference. First operand 15676 states and 21805 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-10-15 20:52:34,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:52:34,022 INFO L93 Difference]: Finished difference Result 50490 states and 70722 transitions. [2022-10-15 20:52:34,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 20:52:34,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 210 [2022-10-15 20:52:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:52:34,208 INFO L225 Difference]: With dead ends: 50490 [2022-10-15 20:52:34,209 INFO L226 Difference]: Without dead ends: 34837 [2022-10-15 20:52:34,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 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 20:52:34,288 INFO L413 NwaCegarLoop]: 2469 mSDtfsCounter, 4166 mSDsluCounter, 2686 mSDsCounter, 0 mSdLazyCounter, 2616 mSolverCounterSat, 2447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 5155 SdHoareTripleChecker+Invalid, 5063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2447 IncrementalHoareTripleChecker+Valid, 2616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-15 20:52:34,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 5155 Invalid, 5063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2447 Valid, 2616 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-15 20:52:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34837 states.