/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-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:07:12,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:07:12,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:07:13,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:07:13,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:07:13,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:07:13,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:07:13,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:07:13,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:07:13,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:07:13,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:07:13,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:07:13,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:07:13,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:07:13,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:07:13,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:07:13,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:07:13,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:07:13,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:07:13,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:07:13,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:07:13,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:07:13,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:07:13,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:07:13,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:07:13,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:07:13,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:07:13,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:07:13,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:07:13,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:07:13,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:07:13,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:07:13,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:07:13,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:07:13,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:07:13,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:07:13,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:07:13,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:07:13,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:07:13,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:07:13,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:07:13,171 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 [2022-10-16 13:07:13,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:07:13,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:07:13,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:07:13,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:07:13,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:07:13,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:07:13,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:07:13,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:07:13,227 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:07:13,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:07:13,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:07:13,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:07:13,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:07:13,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:07:13,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:07:13,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:07:13,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:07:13,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:07:13,231 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:07:13,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:07:13,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:07:13,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:07:13,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:07:13,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:07:13,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:07:13,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:07:13,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:07:13,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:07:13,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:07:13,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:07:13,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:07:13,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:07:13,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:07:13,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:07:13,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:07:13,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:07:13,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:07:13,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:07:13,718 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:07:13,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-16 13:07:13,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25ae27831/ac8938b521c243a7b753bb9af1e1b0ca/FLAGa7dfa7891 [2022-10-16 13:07:14,958 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:07:14,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-16 13:07:15,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25ae27831/ac8938b521c243a7b753bb9af1e1b0ca/FLAGa7dfa7891 [2022-10-16 13:07:15,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25ae27831/ac8938b521c243a7b753bb9af1e1b0ca [2022-10-16 13:07:15,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:07:15,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:07:15,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:07:15,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:07:15,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:07:15,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:07:15" (1/1) ... [2022-10-16 13:07:15,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ac8748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:15, skipping insertion in model container [2022-10-16 13:07:15,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:07:15" (1/1) ... [2022-10-16 13:07:15,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:07:15,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:07:16,839 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-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i[172824,172837] [2022-10-16 13:07:18,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:07:18,185 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:07:18,414 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-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i[172824,172837] [2022-10-16 13:07:18,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:07:18,931 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:07:18,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18 WrapperNode [2022-10-16 13:07:18,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:07:18,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:07:18,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:07:18,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:07:18,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,349 INFO L138 Inliner]: procedures = 310, calls = 1780, calls flagged for inlining = 174, calls inlined = 157, statements flattened = 5152 [2022-10-16 13:07:19,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:07:19,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:07:19,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:07:19,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:07:19,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:07:19,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:07:19,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:07:19,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:07:19,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (1/1) ... [2022-10-16 13:07:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:07:19,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:19,746 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) [2022-10-16 13:07:19,772 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 [2022-10-16 13:07:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 13:07:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 13:07:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-16 13:07:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-16 13:07:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:07:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:07:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-16 13:07:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-16 13:07:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_dmac_soft_reset [2022-10-16 13:07:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_dmac_soft_reset [2022-10-16 13:07:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:07:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:07:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-16 13:07:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-16 13:07:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 13:07:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 13:07:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:07:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:07:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_remove [2022-10-16 13:07:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_remove [2022-10-16 13:07:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-16 13:07:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_send_cmd [2022-10-16 13:07:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_send_cmd [2022-10-16 13:07:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-16 13:07:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-16 13:07:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-16 13:07:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-16 13:07:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_rx_ring [2022-10-16 13:07:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_rx_ring [2022-10-16 13:07:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:07:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:07:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-16 13:07:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-16 13:07:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 13:07:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 13:07:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:07:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:07:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:07:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:07:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_read [2022-10-16 13:07:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_read [2022-10-16 13:07:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:07:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:07:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_mac_address [2022-10-16 13:07:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_mac_address [2022-10-16 13:07:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:07:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_get_stats [2022-10-16 13:07:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_get_stats [2022-10-16 13:07:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-16 13:07:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-10-16 13:07:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-16 13:07:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-16 13:07:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-16 13:07:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-16 13:07:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:07:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 13:07:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 13:07:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-16 13:07:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-16 13:07:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-16 13:07:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-16 13:07:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-16 13:07:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-16 13:07:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-16 13:07:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_open [2022-10-16 13:07:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_open [2022-10-16 13:07:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:07:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:07:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:07:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:07:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-10-16 13:07:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-10-16 13:07:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-16 13:07:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-16 13:07:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:07:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-16 13:07:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-16 13:07:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:07:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 13:07:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 13:07:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:07:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:07:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:07:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:07:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:07:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:07:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:07:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 13:07:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 13:07:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:07:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:07:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:07:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_enable_access [2022-10-16 13:07:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_enable_access [2022-10-16 13:07:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-10-16 13:07:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-10-16 13:07:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_write [2022-10-16 13:07:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_write [2022-10-16 13:07:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:07:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 13:07:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 13:07:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 13:07:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 13:07:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-10-16 13:07:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-10-16 13:07:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-10-16 13:07:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-10-16 13:07:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:07:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:07:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:07:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:07:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-16 13:07:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-16 13:07:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:07:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 13:07:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 13:07:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-16 13:07:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-16 13:07:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:07:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:07:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_multicast_list [2022-10-16 13:07:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_multicast_list [2022-10-16 13:07:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:07:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 13:07:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 13:07:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-16 13:07:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-16 13:07:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_rx_buffer [2022-10-16 13:07:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_rx_buffer [2022-10-16 13:07:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:07:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-16 13:07:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-16 13:07:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_rx [2022-10-16 13:07:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_rx [2022-10-16 13:07:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-16 13:07:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-16 13:07:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 13:07:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 13:07:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:07:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:07:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-16 13:07:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-16 13:07:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-16 13:07:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-16 13:07:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_isr [2022-10-16 13:07:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_isr [2022-10-16 13:07:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-10-16 13:07:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-10-16 13:07:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_do_ioctl [2022-10-16 13:07:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_do_ioctl [2022-10-16 13:07:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_poll_controller [2022-10-16 13:07:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_poll_controller [2022-10-16 13:07:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-16 13:07:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-16 13:07:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-16 13:07:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-16 13:07:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:07:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:07:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_tx [2022-10-16 13:07:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_tx [2022-10-16 13:07:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 13:07:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 13:07:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:07:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:07:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:07:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_tx_ring [2022-10-16 13:07:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_tx_ring [2022-10-16 13:07:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-16 13:07:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-16 13:07:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_pci_flush_write [2022-10-16 13:07:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_pci_flush_write [2022-10-16 13:07:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:07:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:07:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:07:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:07:20,819 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:07:20,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:07:21,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:07:25,666 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:07:25,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:07:25,699 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:07:25,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:07:25 BoogieIcfgContainer [2022-10-16 13:07:25,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:07:25,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:07:25,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:07:25,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:07:25,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:07:15" (1/3) ... [2022-10-16 13:07:25,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324a1cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:07:25, skipping insertion in model container [2022-10-16 13:07:25,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:18" (2/3) ... [2022-10-16 13:07:25,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324a1cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:07:25, skipping insertion in model container [2022-10-16 13:07:25,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:07:25" (3/3) ... [2022-10-16 13:07:25,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-16 13:07:25,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:07:25,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2022-10-16 13:07:25,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:07:25,881 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;@5c5543bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:07:25,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-10-16 13:07:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 1917 states, 1358 states have (on average 1.458762886597938) internal successors, (1981), 1450 states have internal predecessors, (1981), 415 states have call successors, (415), 78 states have call predecessors, (415), 77 states have return successors, (408), 405 states have call predecessors, (408), 408 states have call successors, (408) [2022-10-16 13:07:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 13:07:25,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:25,914 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:25,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:07:25,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1931240625, now seen corresponding path program 1 times [2022-10-16 13:07:25,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:25,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022133358] [2022-10-16 13:07:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:25,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:07:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:07:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:07:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:07:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:07:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:07:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:07:27,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:27,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022133358] [2022-10-16 13:07:27,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022133358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:27,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:27,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:27,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283973172] [2022-10-16 13:07:27,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:27,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:27,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:27,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:27,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:27,800 INFO L87 Difference]: Start difference. First operand has 1917 states, 1358 states have (on average 1.458762886597938) internal successors, (1981), 1450 states have internal predecessors, (1981), 415 states have call successors, (415), 78 states have call predecessors, (415), 77 states have return successors, (408), 405 states have call predecessors, (408), 408 states have call successors, (408) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:07:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:34,473 INFO L93 Difference]: Finished difference Result 4610 states and 6941 transitions. [2022-10-16 13:07:34,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:07:34,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 77 [2022-10-16 13:07:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:34,513 INFO L225 Difference]: With dead ends: 4610 [2022-10-16 13:07:34,513 INFO L226 Difference]: Without dead ends: 2624 [2022-10-16 13:07:34,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:07:34,539 INFO L413 NwaCegarLoop]: 3213 mSDtfsCounter, 3784 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:34,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4058 Valid, 6519 Invalid, 3379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 13:07:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-10-16 13:07:34,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1852. [2022-10-16 13:07:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1316 states have (on average 1.3411854103343466) internal successors, (1765), 1386 states have internal predecessors, (1765), 407 states have call successors, (407), 76 states have call predecessors, (407), 76 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) [2022-10-16 13:07:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2579 transitions. [2022-10-16 13:07:34,814 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2579 transitions. Word has length 77 [2022-10-16 13:07:34,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:34,816 INFO L495 AbstractCegarLoop]: Abstraction has 1852 states and 2579 transitions. [2022-10-16 13:07:34,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:07:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2579 transitions. [2022-10-16 13:07:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 13:07:34,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:34,825 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:34,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:07:34,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:07:34,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1243755754, now seen corresponding path program 1 times [2022-10-16 13:07:34,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:34,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757637813] [2022-10-16 13:07:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:07:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:07:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:07:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:07:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:07:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:07:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:07:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:07:35,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:35,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757637813] [2022-10-16 13:07:35,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757637813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:35,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:35,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:07:35,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591716921] [2022-10-16 13:07:35,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:35,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:35,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:35,171 INFO L87 Difference]: Start difference. First operand 1852 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:07:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:41,348 INFO L93 Difference]: Finished difference Result 5281 states and 7370 transitions. [2022-10-16 13:07:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:07:41,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2022-10-16 13:07:41,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:41,380 INFO L225 Difference]: With dead ends: 5281 [2022-10-16 13:07:41,380 INFO L226 Difference]: Without dead ends: 3455 [2022-10-16 13:07:41,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:41,396 INFO L413 NwaCegarLoop]: 2706 mSDtfsCounter, 2777 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 2096 mSolverCounterSat, 1073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1073 IncrementalHoareTripleChecker+Valid, 2096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:41,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 5210 Invalid, 3169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1073 Valid, 2096 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 13:07:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2022-10-16 13:07:41,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3219. [2022-10-16 13:07:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3219 states, 2311 states have (on average 1.3414106447425358) internal successors, (3100), 2403 states have internal predecessors, (3100), 711 states have call successors, (711), 144 states have call predecessors, (711), 144 states have return successors, (713), 700 states have call predecessors, (713), 711 states have call successors, (713) [2022-10-16 13:07:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 4524 transitions. [2022-10-16 13:07:41,680 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 4524 transitions. Word has length 87 [2022-10-16 13:07:41,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:41,683 INFO L495 AbstractCegarLoop]: Abstraction has 3219 states and 4524 transitions. [2022-10-16 13:07:41,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:07:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 4524 transitions. [2022-10-16 13:07:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:07:41,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:41,690 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:41,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:07:41,691 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:07:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1549282724, now seen corresponding path program 1 times [2022-10-16 13:07:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:41,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172209825] [2022-10-16 13:07:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:07:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:07:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:07:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:07:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:07:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:07:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 13:07:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 13:07:42,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:42,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172209825] [2022-10-16 13:07:42,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172209825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:42,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:42,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:42,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18629651] [2022-10-16 13:07:42,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:42,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:42,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:42,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:42,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:42,116 INFO L87 Difference]: Start difference. First operand 3219 states and 4524 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:07:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:51,793 INFO L93 Difference]: Finished difference Result 8563 states and 12045 transitions. [2022-10-16 13:07:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:07:51,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 91 [2022-10-16 13:07:51,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:51,834 INFO L225 Difference]: With dead ends: 8563 [2022-10-16 13:07:51,834 INFO L226 Difference]: Without dead ends: 5370 [2022-10-16 13:07:51,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:51,851 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 3616 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 2080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 6468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2080 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:51,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 5939 Invalid, 6468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2080 Valid, 4388 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-10-16 13:07:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2022-10-16 13:07:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5043. [2022-10-16 13:07:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 3663 states have (on average 1.3456183456183457) internal successors, (4929), 3769 states have internal predecessors, (4929), 1095 states have call successors, (1095), 231 states have call predecessors, (1095), 232 states have return successors, (1099), 1081 states have call predecessors, (1099), 1095 states have call successors, (1099) [2022-10-16 13:07:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 7123 transitions. [2022-10-16 13:07:52,238 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 7123 transitions. Word has length 91 [2022-10-16 13:07:52,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:52,238 INFO L495 AbstractCegarLoop]: Abstraction has 5043 states and 7123 transitions. [2022-10-16 13:07:52,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:07:52,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 7123 transitions. [2022-10-16 13:07:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 13:07:52,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:52,242 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:07:52,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:07:52,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:07:52,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:52,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1022867527, now seen corresponding path program 1 times [2022-10-16 13:07:52,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:52,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424070293] [2022-10-16 13:07:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:07:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:07:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:07:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:07:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:07:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:07:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 13:07:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:07:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:07:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:07:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:07:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:07:52,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424070293] [2022-10-16 13:07:52,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424070293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:52,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:52,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:07:52,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607928093] [2022-10-16 13:07:52,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:52,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:52,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:52,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:52,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:52,768 INFO L87 Difference]: Start difference. First operand 5043 states and 7123 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:07:59,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:59,429 INFO L93 Difference]: Finished difference Result 14775 states and 20849 transitions. [2022-10-16 13:07:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:07:59,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2022-10-16 13:07:59,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:59,509 INFO L225 Difference]: With dead ends: 14775 [2022-10-16 13:07:59,509 INFO L226 Difference]: Without dead ends: 9779 [2022-10-16 13:07:59,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:59,539 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2932 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:59,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 6329 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 13:07:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9779 states. [2022-10-16 13:08:00,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9779 to 9174. [2022-10-16 13:08:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9174 states, 6675 states have (on average 1.3357303370786517) internal successors, (8916), 6833 states have internal predecessors, (8916), 2002 states have call successors, (2002), 442 states have call predecessors, (2002), 444 states have return successors, (2010), 1972 states have call predecessors, (2010), 2002 states have call successors, (2010) [2022-10-16 13:08:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9174 states to 9174 states and 12928 transitions. [2022-10-16 13:08:00,464 INFO L78 Accepts]: Start accepts. Automaton has 9174 states and 12928 transitions. Word has length 115 [2022-10-16 13:08:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:00,465 INFO L495 AbstractCegarLoop]: Abstraction has 9174 states and 12928 transitions. [2022-10-16 13:08:00,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:08:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9174 states and 12928 transitions. [2022-10-16 13:08:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 13:08:00,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:00,471 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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] [2022-10-16 13:08:00,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:08:00,471 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:00,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:00,473 INFO L85 PathProgramCache]: Analyzing trace with hash 337006108, now seen corresponding path program 1 times [2022-10-16 13:08:00,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:00,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869700288] [2022-10-16 13:08:00,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:08:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:08:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:08:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:08:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:08:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-16 13:08:00,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:00,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869700288] [2022-10-16 13:08:00,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869700288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:00,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:00,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:08:00,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231826609] [2022-10-16 13:08:00,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:00,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:08:00,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:00,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:08:00,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:00,985 INFO L87 Difference]: Start difference. First operand 9174 states and 12928 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-16 13:08:11,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:11,242 INFO L93 Difference]: Finished difference Result 22604 states and 31829 transitions. [2022-10-16 13:08:11,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:08:11,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 130 [2022-10-16 13:08:11,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:11,339 INFO L225 Difference]: With dead ends: 22604 [2022-10-16 13:08:11,340 INFO L226 Difference]: Without dead ends: 13477 [2022-10-16 13:08:11,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:08:11,392 INFO L413 NwaCegarLoop]: 3456 mSDtfsCounter, 3880 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 4169 mSolverCounterSat, 2134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 5614 SdHoareTripleChecker+Invalid, 6303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2134 IncrementalHoareTripleChecker+Valid, 4169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:11,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 5614 Invalid, 6303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2134 Valid, 4169 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-10-16 13:08:11,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13477 states. [2022-10-16 13:08:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13477 to 12642. [2022-10-16 13:08:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 9241 states have (on average 1.3345958229628827) internal successors, (12333), 9423 states have internal predecessors, (12333), 2712 states have call successors, (2712), 634 states have call predecessors, (2712), 636 states have return successors, (2720), 2676 states have call predecessors, (2720), 2712 states have call successors, (2720) [2022-10-16 13:08:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 17765 transitions. [2022-10-16 13:08:12,479 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 17765 transitions. Word has length 130 [2022-10-16 13:08:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:12,482 INFO L495 AbstractCegarLoop]: Abstraction has 12642 states and 17765 transitions. [2022-10-16 13:08:12,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-16 13:08:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 17765 transitions. [2022-10-16 13:08:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 13:08:12,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:12,489 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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] [2022-10-16 13:08:12,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:08:12,490 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:12,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -738511006, now seen corresponding path program 1 times [2022-10-16 13:08:12,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:12,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310465993] [2022-10-16 13:08:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:12,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:12,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:08:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:08:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:08:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:08:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:08:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:08:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2022-10-16 13:08:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:13,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310465993] [2022-10-16 13:08:13,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310465993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:13,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:13,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:08:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847783976] [2022-10-16 13:08:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:13,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:08:13,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:08:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:13,150 INFO L87 Difference]: Start difference. First operand 12642 states and 17765 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 13:08:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:23,494 INFO L93 Difference]: Finished difference Result 30408 states and 42785 transitions. [2022-10-16 13:08:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:08:23,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2022-10-16 13:08:23,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:23,587 INFO L225 Difference]: With dead ends: 30408 [2022-10-16 13:08:23,588 INFO L226 Difference]: Without dead ends: 17813 [2022-10-16 13:08:23,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:23,645 INFO L413 NwaCegarLoop]: 4600 mSDtfsCounter, 2943 mSDsluCounter, 6046 mSDsCounter, 0 mSdLazyCounter, 4420 mSolverCounterSat, 1049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 10646 SdHoareTripleChecker+Invalid, 5469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1049 IncrementalHoareTripleChecker+Valid, 4420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:23,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 10646 Invalid, 5469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1049 Valid, 4420 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-10-16 13:08:23,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17813 states. [2022-10-16 13:08:24,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17813 to 12642. [2022-10-16 13:08:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 9241 states have (on average 1.3339465425819717) internal successors, (12327), 9423 states have internal predecessors, (12327), 2712 states have call successors, (2712), 634 states have call predecessors, (2712), 636 states have return successors, (2720), 2676 states have call predecessors, (2720), 2712 states have call successors, (2720) [2022-10-16 13:08:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 17759 transitions. [2022-10-16 13:08:24,828 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 17759 transitions. Word has length 130 [2022-10-16 13:08:24,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:24,829 INFO L495 AbstractCegarLoop]: Abstraction has 12642 states and 17759 transitions. [2022-10-16 13:08:24,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 13:08:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 17759 transitions. [2022-10-16 13:08:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 13:08:24,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:24,835 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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] [2022-10-16 13:08:24,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:08:24,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:24,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash 967886444, now seen corresponding path program 1 times [2022-10-16 13:08:24,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:24,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058068229] [2022-10-16 13:08:24,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:08:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:08:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:08:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:08:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:08:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-16 13:08:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:08:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:08:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 13:08:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-16 13:08:25,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:25,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058068229] [2022-10-16 13:08:25,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058068229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:25,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:25,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907678743] [2022-10-16 13:08:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:25,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:25,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:25,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:08:25,473 INFO L87 Difference]: Start difference. First operand 12642 states and 17759 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:08:30,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:30,440 INFO L93 Difference]: Finished difference Result 26201 states and 36932 transitions. [2022-10-16 13:08:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:08:30,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-10-16 13:08:30,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:30,518 INFO L225 Difference]: With dead ends: 26201 [2022-10-16 13:08:30,518 INFO L226 Difference]: Without dead ends: 13606 [2022-10-16 13:08:30,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:08:30,564 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 605 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 5059 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:30,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 5059 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 13:08:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13606 states. [2022-10-16 13:08:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13606 to 12654. [2022-10-16 13:08:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12654 states, 9253 states have (on average 1.3335134550956447) internal successors, (12339), 9435 states have internal predecessors, (12339), 2712 states have call successors, (2712), 634 states have call predecessors, (2712), 636 states have return successors, (2720), 2676 states have call predecessors, (2720), 2712 states have call successors, (2720) [2022-10-16 13:08:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12654 states to 12654 states and 17771 transitions. [2022-10-16 13:08:31,569 INFO L78 Accepts]: Start accepts. Automaton has 12654 states and 17771 transitions. Word has length 155 [2022-10-16 13:08:31,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:31,569 INFO L495 AbstractCegarLoop]: Abstraction has 12654 states and 17771 transitions. [2022-10-16 13:08:31,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:08:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12654 states and 17771 transitions. [2022-10-16 13:08:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-16 13:08:31,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:31,576 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 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] [2022-10-16 13:08:31,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:08:31,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:31,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1834510877, now seen corresponding path program 1 times [2022-10-16 13:08:31,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:31,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480528925] [2022-10-16 13:08:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:08:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:08:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 13:08:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:08:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:08:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-16 13:08:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 13:08:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:08:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:08:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 13:08:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-10-16 13:08:32,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:32,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480528925] [2022-10-16 13:08:32,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480528925] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:08:32,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543179762] [2022-10-16 13:08:32,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:32,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:32,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:32,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:08:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:33,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2344 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:08:33,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-10-16 13:08:33,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:08:33,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543179762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:33,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:08:33,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:08:33,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383383888] [2022-10-16 13:08:33,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:33,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:08:33,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:33,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:08:33,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:33,491 INFO L87 Difference]: Start difference. First operand 12654 states and 17771 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:08:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:34,469 INFO L93 Difference]: Finished difference Result 25263 states and 35486 transitions. [2022-10-16 13:08:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:08:34,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 163 [2022-10-16 13:08:34,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:34,538 INFO L225 Difference]: With dead ends: 25263 [2022-10-16 13:08:34,538 INFO L226 Difference]: Without dead ends: 12655 [2022-10-16 13:08:34,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:34,582 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 0 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:34,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5154 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:08:34,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12655 states. [2022-10-16 13:08:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12655 to 12655. [2022-10-16 13:08:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12655 states, 9254 states have (on average 1.3334774151718176) internal successors, (12340), 9436 states have internal predecessors, (12340), 2712 states have call successors, (2712), 634 states have call predecessors, (2712), 636 states have return successors, (2720), 2676 states have call predecessors, (2720), 2712 states have call successors, (2720) [2022-10-16 13:08:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12655 states to 12655 states and 17772 transitions. [2022-10-16 13:08:35,534 INFO L78 Accepts]: Start accepts. Automaton has 12655 states and 17772 transitions. Word has length 163 [2022-10-16 13:08:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:35,535 INFO L495 AbstractCegarLoop]: Abstraction has 12655 states and 17772 transitions. [2022-10-16 13:08:35,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:08:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 12655 states and 17772 transitions. [2022-10-16 13:08:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-16 13:08:35,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:35,541 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 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] [2022-10-16 13:08:35,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:35,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:35,755 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1901975237, now seen corresponding path program 1 times [2022-10-16 13:08:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:35,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620877260] [2022-10-16 13:08:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:08:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:08:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:08:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:08:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:08:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:08:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:08:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:08:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:08:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:08:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 13:08:36,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:36,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620877260] [2022-10-16 13:08:36,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620877260] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:08:36,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468342321] [2022-10-16 13:08:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:36,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:36,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:36,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:36,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:08:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:08:37,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-10-16 13:08:37,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:08:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 13:08:37,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468342321] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:08:37,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:08:37,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-16 13:08:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676516580] [2022-10-16 13:08:37,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:08:37,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:08:37,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:37,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:08:37,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:08:37,611 INFO L87 Difference]: Start difference. First operand 12655 states and 17772 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-10-16 13:08:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:49,815 INFO L93 Difference]: Finished difference Result 33418 states and 48383 transitions. [2022-10-16 13:08:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:08:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 164 [2022-10-16 13:08:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:49,916 INFO L225 Difference]: With dead ends: 33418 [2022-10-16 13:08:49,917 INFO L226 Difference]: Without dead ends: 20811 [2022-10-16 13:08:49,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:08:49,959 INFO L413 NwaCegarLoop]: 3634 mSDtfsCounter, 2746 mSDsluCounter, 11169 mSDsCounter, 0 mSdLazyCounter, 6336 mSolverCounterSat, 817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 14803 SdHoareTripleChecker+Invalid, 7153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 817 IncrementalHoareTripleChecker+Valid, 6336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:49,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 14803 Invalid, 7153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [817 Valid, 6336 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-10-16 13:08:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20811 states. [2022-10-16 13:08:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20811 to 12901. [2022-10-16 13:08:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12901 states, 9434 states have (on average 1.3341106635573459) internal successors, (12586), 9616 states have internal predecessors, (12586), 2778 states have call successors, (2778), 634 states have call predecessors, (2778), 636 states have return successors, (2786), 2742 states have call predecessors, (2786), 2778 states have call successors, (2786) [2022-10-16 13:08:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12901 states to 12901 states and 18150 transitions. [2022-10-16 13:08:51,333 INFO L78 Accepts]: Start accepts. Automaton has 12901 states and 18150 transitions. Word has length 164 [2022-10-16 13:08:51,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:51,334 INFO L495 AbstractCegarLoop]: Abstraction has 12901 states and 18150 transitions. [2022-10-16 13:08:51,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-10-16 13:08:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12901 states and 18150 transitions. [2022-10-16 13:08:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 13:08:51,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:51,341 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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] [2022-10-16 13:08:51,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:51,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-16 13:08:51,556 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:08:51,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:51,557 INFO L85 PathProgramCache]: Analyzing trace with hash -516950966, now seen corresponding path program 1 times [2022-10-16 13:08:51,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:51,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991378590] [2022-10-16 13:08:51,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:08:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:08:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:08:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:08:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:08:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:08:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:08:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:08:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:08:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:08:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:08:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-10-16 13:08:52,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:52,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991378590] [2022-10-16 13:08:52,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991378590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:52,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:52,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:08:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452334392] [2022-10-16 13:08:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:52,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:08:52,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:52,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:08:52,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:52,290 INFO L87 Difference]: Start difference. First operand 12901 states and 18150 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-16 13:09:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:04,256 INFO L93 Difference]: Finished difference Result 17599 states and 25537 transitions. [2022-10-16 13:09:04,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:04,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 169 [2022-10-16 13:09:04,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:04,332 INFO L225 Difference]: With dead ends: 17599 [2022-10-16 13:09:04,332 INFO L226 Difference]: Without dead ends: 17597 [2022-10-16 13:09:04,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:09:04,345 INFO L413 NwaCegarLoop]: 3302 mSDtfsCounter, 2355 mSDsluCounter, 4869 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:04,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 8171 Invalid, 5943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1098 Valid, 4845 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-10-16 13:09:04,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17597 states. [2022-10-16 13:09:05,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17597 to 12997. [2022-10-16 13:09:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12997 states, 9512 states have (on average 1.3345248107653491) internal successors, (12694), 9694 states have internal predecessors, (12694), 2796 states have call successors, (2796), 634 states have call predecessors, (2796), 636 states have return successors, (2804), 2760 states have call predecessors, (2804), 2796 states have call successors, (2804) [2022-10-16 13:09:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12997 states to 12997 states and 18294 transitions. [2022-10-16 13:09:05,675 INFO L78 Accepts]: Start accepts. Automaton has 12997 states and 18294 transitions. Word has length 169 [2022-10-16 13:09:05,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:05,676 INFO L495 AbstractCegarLoop]: Abstraction has 12997 states and 18294 transitions. [2022-10-16 13:09:05,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-16 13:09:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 12997 states and 18294 transitions. [2022-10-16 13:09:05,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-16 13:09:05,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:05,682 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:05,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:09:05,683 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting smsc9420_eeprom_send_cmdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:09:05,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:05,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1831252640, now seen corresponding path program 1 times [2022-10-16 13:09:05,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:05,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223279268] [2022-10-16 13:09:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:09:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:09:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:09:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:09:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:09:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:09:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:09:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:09:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:09:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:09:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:09:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:09:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:09:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-10-16 13:09:06,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:06,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223279268] [2022-10-16 13:09:06,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223279268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:06,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:06,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:09:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041872558] [2022-10-16 13:09:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:06,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:09:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:06,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:09:06,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:06,375 INFO L87 Difference]: Start difference. First operand 12997 states and 18294 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:09:13,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:13,528 INFO L93 Difference]: Finished difference Result 26778 states and 37857 transitions. [2022-10-16 13:09:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:13,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2022-10-16 13:09:13,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:13,592 INFO L225 Difference]: With dead ends: 26778 [2022-10-16 13:09:13,592 INFO L226 Difference]: Without dead ends: 13829 [2022-10-16 13:09:13,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:09:13,627 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 1702 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 4181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:13,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 4581 Invalid, 4181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 3083 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 13:09:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13829 states. [2022-10-16 13:09:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13829 to 13039. [2022-10-16 13:09:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13039 states, 9542 states have (on average 1.3341018654370154) internal successors, (12730), 9718 states have internal predecessors, (12730), 2808 states have call successors, (2808), 634 states have call predecessors, (2808), 636 states have return successors, (2816), 2772 states have call predecessors, (2816), 2808 states have call successors, (2816) [2022-10-16 13:09:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13039 states to 13039 states and 18354 transitions. [2022-10-16 13:09:15,211 INFO L78 Accepts]: Start accepts. Automaton has 13039 states and 18354 transitions. Word has length 177 [2022-10-16 13:09:15,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:15,212 INFO L495 AbstractCegarLoop]: Abstraction has 13039 states and 18354 transitions. [2022-10-16 13:09:15,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:09:15,212 INFO L276 IsEmpty]: Start isEmpty. Operand 13039 states and 18354 transitions. [2022-10-16 13:09:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 13:09:15,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:15,220 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:15,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:09:15,223 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting smsc9420_eeprom_send_cmdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:09:15,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:15,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1426667016, now seen corresponding path program 1 times [2022-10-16 13:09:15,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:15,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933598365] [2022-10-16 13:09:15,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:15,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:09:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:09:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:09:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:09:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:09:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:09:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:09:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:09:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:09:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:09:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:09:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:09:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:09:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 13:09:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:09:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-10-16 13:09:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933598365] [2022-10-16 13:09:15,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933598365] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975389314] [2022-10-16 13:09:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:15,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:15,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:15,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:09:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:16,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:09:16,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:09:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-10-16 13:09:16,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:09:16,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975389314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:16,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:09:16,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:09:16,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754526728] [2022-10-16 13:09:16,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:16,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:16,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:16,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:16,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:09:16,623 INFO L87 Difference]: Start difference. First operand 13039 states and 18354 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 13:09:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:17,366 INFO L93 Difference]: Finished difference Result 13069 states and 18426 transitions. [2022-10-16 13:09:17,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:09:17,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 191 [2022-10-16 13:09:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:17,413 INFO L225 Difference]: With dead ends: 13069 [2022-10-16 13:09:17,413 INFO L226 Difference]: Without dead ends: 13068 [2022-10-16 13:09:17,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:09:17,425 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 33 mSDsluCounter, 5113 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:17,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 7702 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:09:17,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13068 states. [2022-10-16 13:09:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13068 to 13038. [2022-10-16 13:09:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13038 states, 9542 states have (on average 1.3334730664430936) internal successors, (12724), 9717 states have internal predecessors, (12724), 2808 states have call successors, (2808), 634 states have call predecessors, (2808), 636 states have return successors, (2816), 2772 states have call predecessors, (2816), 2808 states have call successors, (2816) [2022-10-16 13:09:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13038 states to 13038 states and 18348 transitions. [2022-10-16 13:09:18,577 INFO L78 Accepts]: Start accepts. Automaton has 13038 states and 18348 transitions. Word has length 191 [2022-10-16 13:09:18,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:18,578 INFO L495 AbstractCegarLoop]: Abstraction has 13038 states and 18348 transitions. [2022-10-16 13:09:18,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 13:09:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 13038 states and 18348 transitions. [2022-10-16 13:09:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 13:09:18,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:18,585 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:18,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:09:18,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:18,800 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting smsc9420_eeprom_send_cmdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:09:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1923625947, now seen corresponding path program 1 times [2022-10-16 13:09:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752502759] [2022-10-16 13:09:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:18,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:09:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:09:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:09:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:09:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:09:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:09:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:09:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:09:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:09:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:09:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:09:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:09:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:09:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 13:09:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-10-16 13:09:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-10-16 13:09:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-16 13:09:19,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:19,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752502759] [2022-10-16 13:09:19,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752502759] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:19,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498035644] [2022-10-16 13:09:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:19,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:19,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:19,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:19,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:09:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:20,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:09:20,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:09:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-10-16 13:09:20,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:09:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-10-16 13:09:20,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498035644] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:09:20,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:09:20,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-10-16 13:09:20,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796110914] [2022-10-16 13:09:20,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:09:20,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:09:20,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:20,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:09:20,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:09:20,434 INFO L87 Difference]: Start difference. First operand 13038 states and 18348 transitions. Second operand has 10 states, 9 states have (on average 14.0) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-10-16 13:09:29,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:29,128 INFO L93 Difference]: Finished difference Result 27052 states and 38355 transitions. [2022-10-16 13:09:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:09:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 208 [2022-10-16 13:09:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:29,185 INFO L225 Difference]: With dead ends: 27052 [2022-10-16 13:09:29,185 INFO L226 Difference]: Without dead ends: 14062 [2022-10-16 13:09:29,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:09:29,229 INFO L413 NwaCegarLoop]: 2290 mSDtfsCounter, 2386 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 4882 mSolverCounterSat, 1664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 5463 SdHoareTripleChecker+Invalid, 6546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 4882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:29,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 5463 Invalid, 6546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1664 Valid, 4882 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-10-16 13:09:29,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14062 states. [2022-10-16 13:09:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14062 to 13164. [2022-10-16 13:09:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 9632 states have (on average 1.333471760797342) internal successors, (12844), 9807 states have internal predecessors, (12844), 2844 states have call successors, (2844), 634 states have call predecessors, (2844), 636 states have return successors, (2852), 2808 states have call predecessors, (2852), 2844 states have call successors, (2852) [2022-10-16 13:09:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 18540 transitions. [2022-10-16 13:09:30,492 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 18540 transitions. Word has length 208 [2022-10-16 13:09:30,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:30,493 INFO L495 AbstractCegarLoop]: Abstraction has 13164 states and 18540 transitions. [2022-10-16 13:09:30,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-10-16 13:09:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 18540 transitions. [2022-10-16 13:09:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 13:09:30,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:30,499 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:09:30,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:09:30,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:30,714 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:09:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2112047284, now seen corresponding path program 1 times [2022-10-16 13:09:30,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:30,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650733911] [2022-10-16 13:09:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:09:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:09:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:09:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:09:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:09:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:09:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:09:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:09:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:09:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:09:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 13:09:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-10-16 13:09:31,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:31,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650733911] [2022-10-16 13:09:31,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650733911] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:31,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415736469] [2022-10-16 13:09:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:31,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:31,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:31,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:09:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:32,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:09:32,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:09:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-10-16 13:09:32,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:09:32,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415736469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:32,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:09:32,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2022-10-16 13:09:32,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530959241] [2022-10-16 13:09:32,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:32,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:09:32,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:32,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:09:32,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:09:32,135 INFO L87 Difference]: Start difference. First operand 13164 states and 18540 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:09:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:34,904 INFO L93 Difference]: Finished difference Result 34062 states and 49180 transitions. [2022-10-16 13:09:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:09:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2022-10-16 13:09:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:34,957 INFO L225 Difference]: With dead ends: 34062 [2022-10-16 13:09:34,957 INFO L226 Difference]: Without dead ends: 20946 [2022-10-16 13:09:34,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:09:34,990 INFO L413 NwaCegarLoop]: 3766 mSDtfsCounter, 3434 mSDsluCounter, 16591 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 20357 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:34,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 20357 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 13:09:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20946 states. [2022-10-16 13:09:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20946 to 13206. [2022-10-16 13:09:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13206 states, 9668 states have (on average 1.3322300372362432) internal successors, (12880), 9843 states have internal predecessors, (12880), 2844 states have call successors, (2844), 634 states have call predecessors, (2844), 642 states have return successors, (2888), 2814 states have call predecessors, (2888), 2844 states have call successors, (2888) [2022-10-16 13:09:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13206 states to 13206 states and 18612 transitions. [2022-10-16 13:09:36,452 INFO L78 Accepts]: Start accepts. Automaton has 13206 states and 18612 transitions. Word has length 193 [2022-10-16 13:09:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:36,452 INFO L495 AbstractCegarLoop]: Abstraction has 13206 states and 18612 transitions. [2022-10-16 13:09:36,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:09:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 13206 states and 18612 transitions. [2022-10-16 13:09:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-16 13:09:36,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:36,459 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 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] [2022-10-16 13:09:36,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 13:09:36,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 13:09:36,675 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:09:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1746545366, now seen corresponding path program 2 times [2022-10-16 13:09:36,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:36,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041853497] [2022-10-16 13:09:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:09:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:09:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:09:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:09:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:09:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:09:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:09:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:09:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:09:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:09:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-16 13:09:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:09:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:09:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-16 13:09:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-10-16 13:09:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-10-16 13:09:37,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:37,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041853497] [2022-10-16 13:09:37,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041853497] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:37,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082433647] [2022-10-16 13:09:37,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:09:37,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:37,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:37,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:09:38,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:09:38,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:09:38,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:09:38,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:09:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 20 proven. 28 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:09:38,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:09:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-10-16 13:09:39,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082433647] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:09:39,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:09:39,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-10-16 13:09:39,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161037884] [2022-10-16 13:09:39,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:09:39,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:09:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:09:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:09:39,165 INFO L87 Difference]: Start difference. First operand 13206 states and 18612 transitions. Second operand has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 13 states have internal predecessors, (111), 10 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2022-10-16 13:09:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:59,667 INFO L93 Difference]: Finished difference Result 34670 states and 50297 transitions. [2022-10-16 13:09:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:09:59,667 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 13 states have internal predecessors, (111), 10 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 188 [2022-10-16 13:09:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:59,723 INFO L225 Difference]: With dead ends: 34670 [2022-10-16 13:09:59,723 INFO L226 Difference]: Without dead ends: 21512 [2022-10-16 13:09:59,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 416 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:09:59,748 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 7132 mSDsluCounter, 13611 mSDsCounter, 0 mSdLazyCounter, 8028 mSolverCounterSat, 2188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7262 SdHoareTripleChecker+Valid, 17250 SdHoareTripleChecker+Invalid, 10216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2188 IncrementalHoareTripleChecker+Valid, 8028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:59,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7262 Valid, 17250 Invalid, 10216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2188 Valid, 8028 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2022-10-16 13:09:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21512 states. [2022-10-16 13:10:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21512 to 13350. [2022-10-16 13:10:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13350 states, 9776 states have (on average 1.3285597381342062) internal successors, (12988), 9951 states have internal predecessors, (12988), 2880 states have call successors, (2880), 634 states have call predecessors, (2880), 642 states have return successors, (2924), 2850 states have call predecessors, (2924), 2880 states have call successors, (2924) [2022-10-16 13:10:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13350 states to 13350 states and 18792 transitions. [2022-10-16 13:10:01,153 INFO L78 Accepts]: Start accepts. Automaton has 13350 states and 18792 transitions. Word has length 188 [2022-10-16 13:10:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:01,154 INFO L495 AbstractCegarLoop]: Abstraction has 13350 states and 18792 transitions. [2022-10-16 13:10:01,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 13 states have internal predecessors, (111), 10 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2022-10-16 13:10:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 13350 states and 18792 transitions. [2022-10-16 13:10:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-16 13:10:01,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:01,161 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:10:01,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:10:01,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 13:10:01,375 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:10:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1163567362, now seen corresponding path program 1 times [2022-10-16 13:10:01,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:01,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315854626] [2022-10-16 13:10:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:10:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:10:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:10:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:10:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:10:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:10:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:10:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:10:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:10:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:10:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:10:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:10:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:10:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:10:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:10:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:10:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:10:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:10:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-16 13:10:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:10:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:10:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2022-10-16 13:10:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:02,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315854626] [2022-10-16 13:10:02,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315854626] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:10:02,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006948664] [2022-10-16 13:10:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:10:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:10:02,371 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:10:02,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:10:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:03,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:10:03,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:10:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-10-16 13:10:03,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:10:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-10-16 13:10:03,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006948664] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:10:03,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:10:03,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 3] total 12 [2022-10-16 13:10:03,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966565517] [2022-10-16 13:10:03,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:10:03,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 13:10:03,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:03,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 13:10:03,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:10:03,498 INFO L87 Difference]: Start difference. First operand 13350 states and 18792 transitions. Second operand has 12 states, 12 states have (on average 11.833333333333334) internal successors, (142), 8 states have internal predecessors, (142), 6 states have call successors, (44), 4 states have call predecessors, (44), 2 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2022-10-16 13:10:32,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:32,925 INFO L93 Difference]: Finished difference Result 63984 states and 96615 transitions. [2022-10-16 13:10:32,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 13:10:32,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.833333333333334) internal successors, (142), 8 states have internal predecessors, (142), 6 states have call successors, (44), 4 states have call predecessors, (44), 2 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) Word has length 233 [2022-10-16 13:10:32,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:33,127 INFO L225 Difference]: With dead ends: 63984 [2022-10-16 13:10:33,128 INFO L226 Difference]: Without dead ends: 50682 [2022-10-16 13:10:33,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-10-16 13:10:33,170 INFO L413 NwaCegarLoop]: 5910 mSDtfsCounter, 12284 mSDsluCounter, 17775 mSDsCounter, 0 mSdLazyCounter, 18989 mSolverCounterSat, 3887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13338 SdHoareTripleChecker+Valid, 23685 SdHoareTripleChecker+Invalid, 22876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3887 IncrementalHoareTripleChecker+Valid, 18989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:33,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13338 Valid, 23685 Invalid, 22876 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3887 Valid, 18989 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2022-10-16 13:10:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50682 states. [2022-10-16 13:10:35,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50682 to 13704. [2022-10-16 13:10:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 10070 states have (on average 1.3290963257199602) internal successors, (13384), 10221 states have internal predecessors, (13384), 2934 states have call successors, (2934), 634 states have call predecessors, (2934), 648 states have return successors, (3050), 2934 states have call predecessors, (3050), 2934 states have call successors, (3050) [2022-10-16 13:10:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 19368 transitions. [2022-10-16 13:10:35,373 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 19368 transitions. Word has length 233 [2022-10-16 13:10:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:35,374 INFO L495 AbstractCegarLoop]: Abstraction has 13704 states and 19368 transitions. [2022-10-16 13:10:35,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.833333333333334) internal successors, (142), 8 states have internal predecessors, (142), 6 states have call successors, (44), 4 states have call predecessors, (44), 2 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2022-10-16 13:10:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 19368 transitions. [2022-10-16 13:10:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-10-16 13:10:35,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:35,380 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:10:35,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 13:10:35,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:10:35,597 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-16 13:10:35,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash 849887889, now seen corresponding path program 1 times [2022-10-16 13:10:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:35,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045336357] [2022-10-16 13:10:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:10:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:10:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:10:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:10:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:10:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:10:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:10:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:10:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:10:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:10:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 13:10:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:10:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:10:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:10:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:10:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:10:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:10:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:10:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 13:10:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-10-16 13:10:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:10:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:10:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:10:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-16 13:10:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-10-16 13:10:36,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:36,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045336357] [2022-10-16 13:10:36,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045336357] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:10:36,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160807264] [2022-10-16 13:10:36,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:36,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:10:36,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:10:36,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:10:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:10:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:37,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 2820 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:10:37,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:10:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-10-16 13:10:37,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:10:37,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160807264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:37,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:10:37,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 13:10:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492269596] [2022-10-16 13:10:37,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:37,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:10:37,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:37,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:10:37,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:10:37,270 INFO L87 Difference]: Start difference. First operand 13704 states and 19368 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)