/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-3.0/module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:10:03,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:10:03,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:10:03,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:10:03,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:10:03,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:10:03,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:10:03,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:10:03,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:10:03,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:10:03,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:10:03,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:10:03,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:10:03,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:10:03,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:10:03,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:10:03,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:10:03,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:10:03,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:10:03,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:10:03,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:10:03,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:10:03,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:10:03,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:10:04,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:10:04,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:10:04,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:10:04,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:10:04,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:10:04,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:10:04,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:10:04,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:10:04,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:10:04,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:10:04,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:10:04,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:10:04,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:10:04,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:10:04,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:10:04,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:10:04,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:10:04,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:10:04,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:10:04,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:10:04,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:10:04,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:10:04,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:10:04,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:10:04,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:10:04,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:10:04,094 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:10:04,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:10:04,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:10:04,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:10:04,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:10:04,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:10:04,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:10:04,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:10:04,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:10:04,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:10:04,098 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:10:04,098 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:10:04,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:10:04,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:10:04,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:10:04,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:10:04,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:10:04,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:10:04,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:04,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:10:04,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:10:04,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:10:04,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:10:04,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:10:04,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:10:04,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:10:04,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:10:04,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:10:04,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:10:04,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:10:04,575 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:10:04,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i [2022-10-15 21:10:04,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66d1b3d/f47b60480fc145a1bb87536747f3c75e/FLAG8e666fd60 [2022-10-15 21:10:06,030 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:10:06,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i [2022-10-15 21:10:06,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66d1b3d/f47b60480fc145a1bb87536747f3c75e/FLAG8e666fd60 [2022-10-15 21:10:06,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad66d1b3d/f47b60480fc145a1bb87536747f3c75e [2022-10-15 21:10:06,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:10:06,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:10:06,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:06,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:10:06,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:10:06,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:06" (1/1) ... [2022-10-15 21:10:06,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c95668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:06, skipping insertion in model container [2022-10-15 21:10:06,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:06" (1/1) ... [2022-10-15 21:10:06,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:10:06,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:10:07,461 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-3.0/module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i[138137,138150] [2022-10-15 21:10:10,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:10,278 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:10:10,487 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-3.0/module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i[138137,138150] [2022-10-15 21:10:10,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:11,272 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:10:11,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11 WrapperNode [2022-10-15 21:10:11,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:11,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:11,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:10:11,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:10:11,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,718 INFO L138 Inliner]: procedures = 275, calls = 2756, calls flagged for inlining = 138, calls inlined = 77, statements flattened = 3680 [2022-10-15 21:10:11,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:11,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:10:11,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:10:11,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:10:11,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:11,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:12,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:12,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:12,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:10:12,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:10:12,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:10:12,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:10:12,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (1/1) ... [2022-10-15 21:10:12,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:12,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:10:12,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:10:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_adapter_memory_alloc [2022-10-15 21:10:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_adapter_memory_alloc [2022-10-15 21:10:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhySpeedSelect [2022-10-15 21:10:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhySpeedSelect [2022-10-15 21:10:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:10:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:10:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 21:10:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 21:10:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 21:10:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 21:10:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:10:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:10:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-15 21:10:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-15 21:10:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:10:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:10:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure SetupDeviceForUnicast [2022-10-15 21:10:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure SetupDeviceForUnicast [2022-10-15 21:10:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_adapter_setup [2022-10-15 21:10:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_adapter_setup [2022-10-15 21:10:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyAccessMiBit [2022-10-15 21:10:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyAccessMiBit [2022-10-15 21:10:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 21:10:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 21:10:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:10:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:10:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-15 21:10:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-15 21:10:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:10:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:10:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:10:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_init_send [2022-10-15 21:10:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_init_send [2022-10-15 21:10:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyAutoNeg [2022-10-15 21:10:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyAutoNeg [2022-10-15 21:10:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:10:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyPowerDown [2022-10-15 21:10:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyPowerDown [2022-10-15 21:10:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_disable_interrupts [2022-10-15 21:10:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_disable_interrupts [2022-10-15 21:10:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_tx_dma_memory_free [2022-10-15 21:10:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_tx_dma_memory_free [2022-10-15 21:10:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:10:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:10:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:10:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:10:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:10:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:10:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:10:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:10:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-10-15 21:10:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-10-15 21:10:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-15 21:10:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-15 21:10:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyAdvertise10BaseT [2022-10-15 21:10:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyAdvertise10BaseT [2022-10-15 21:10:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyAdvertise100BaseT [2022-10-15 21:10:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyAdvertise100BaseT [2022-10-15 21:10:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:10:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:10:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyDuplexMode [2022-10-15 21:10:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyDuplexMode [2022-10-15 21:10:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:10:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:10:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-15 21:10:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-15 21:10:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2022-10-15 21:10:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2022-10-15 21:10:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 21:10:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 21:10:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure MiWrite [2022-10-15 21:10:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure MiWrite [2022-10-15 21:10:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:10:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ET1310_PhyAdvertise1000BaseT [2022-10-15 21:10:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ET1310_PhyAdvertise1000BaseT [2022-10-15 21:10:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:10:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:10:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-10-15 21:10:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-10-15 21:10:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:10:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:10:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:10:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:10:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:10:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_wait_ready [2022-10-15 21:10:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_wait_ready [2022-10-15 21:10:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure PhyMiRead [2022-10-15 21:10:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure PhyMiRead [2022-10-15 21:10:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_align_allocated_memory [2022-10-15 21:10:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_align_allocated_memory [2022-10-15 21:10:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:10:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:10:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:10:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_hwaddr_init [2022-10-15 21:10:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_hwaddr_init [2022-10-15 21:10:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-15 21:10:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-15 21:10:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:10:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:10:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:10:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:10:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:10:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:10:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:10:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:10:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:10:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:10:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_rx_dma_disable [2022-10-15 21:10:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_rx_dma_disable [2022-10-15 21:10:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-10-15 21:10:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-10-15 21:10:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:10:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:10:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:10:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:10:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-10-15 21:10:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-10-15 21:10:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure EnablePhyComa [2022-10-15 21:10:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure EnablePhyComa [2022-10-15 21:10:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_soft_reset [2022-10-15 21:10:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_soft_reset [2022-10-15 21:10:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_rx_dma_memory_free [2022-10-15 21:10:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_rx_dma_memory_free [2022-10-15 21:10:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:10:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:10:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-10-15 21:10:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-10-15 21:10:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_enable_interrupts [2022-10-15 21:10:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_enable_interrupts [2022-10-15 21:10:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:10:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:10:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:10:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:10:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:10:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure et131x_adapter_memory_free [2022-10-15 21:10:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure et131x_adapter_memory_free [2022-10-15 21:10:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure SetupDeviceForMulticast [2022-10-15 21:10:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure SetupDeviceForMulticast [2022-10-15 21:10:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:10:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:10:13,119 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:10:13,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:10:21,760 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:21,814 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-15 21:10:21,815 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-15 21:10:21,815 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:21,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-15 21:10:21,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-15 21:10:24,121 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:24,166 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-10-15 21:10:24,167 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-10-15 21:10:24,424 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:26,620 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-10-15 21:10:26,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-10-15 21:10:26,624 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:26,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-15 21:10:26,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-15 21:10:26,892 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:10:26,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:10:26,926 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:10:26,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:26 BoogieIcfgContainer [2022-10-15 21:10:26,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:10:26,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:10:26,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:10:26,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:10:26,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:10:06" (1/3) ... [2022-10-15 21:10:26,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36420163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:26, skipping insertion in model container [2022-10-15 21:10:26,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:11" (2/3) ... [2022-10-15 21:10:26,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36420163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:26, skipping insertion in model container [2022-10-15 21:10:26,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:26" (3/3) ... [2022-10-15 21:10:26,948 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-staging-et131x-et131x.ko.cil.out.i [2022-10-15 21:10:26,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:10:26,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-15 21:10:27,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:10:27,119 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;@8ba2040, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:10:27,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-15 21:10:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 1394 states, 902 states have (on average 1.3625277161862528) internal successors, (1229), 971 states have internal predecessors, (1229), 392 states have call successors, (392), 63 states have call predecessors, (392), 63 states have return successors, (392), 373 states have call predecessors, (392), 392 states have call successors, (392) [2022-10-15 21:10:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:10:27,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:27,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:27,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [eeprom_wait_readyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, eeprom_wait_readyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, PhyMiReadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 21:10:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1122588739, now seen corresponding path program 1 times [2022-10-15 21:10:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:27,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730936045] [2022-10-15 21:10:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:27,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:10:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:27,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:27,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730936045] [2022-10-15 21:10:27,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730936045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:27,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:27,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:10:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826906552] [2022-10-15 21:10:27,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:27,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:10:27,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:27,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:10:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:10:27,911 INFO L87 Difference]: Start difference. First operand has 1394 states, 902 states have (on average 1.3625277161862528) internal successors, (1229), 971 states have internal predecessors, (1229), 392 states have call successors, (392), 63 states have call predecessors, (392), 63 states have return successors, (392), 373 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:10:28,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:28,177 INFO L93 Difference]: Finished difference Result 2767 states and 4026 transitions. [2022-10-15 21:10:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:10:28,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-15 21:10:28,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:28,218 INFO L225 Difference]: With dead ends: 2767 [2022-10-15 21:10:28,218 INFO L226 Difference]: Without dead ends: 1369 [2022-10-15 21:10:28,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:10:28,243 INFO L413 NwaCegarLoop]: 1967 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:28,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:28,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-10-15 21:10:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1369. [2022-10-15 21:10:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 891 states have (on average 1.3131313131313131) internal successors, (1170), 947 states have internal predecessors, (1170), 391 states have call successors, (391), 62 states have call predecessors, (391), 62 states have return successors, (391), 372 states have call predecessors, (391), 391 states have call successors, (391) [2022-10-15 21:10:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1952 transitions. [2022-10-15 21:10:28,471 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1952 transitions. Word has length 25 [2022-10-15 21:10:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:28,473 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 1952 transitions. [2022-10-15 21:10:28,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:10:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1952 transitions. [2022-10-15 21:10:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 21:10:28,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:28,487 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:28,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:10:28,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting eeprom_wait_readyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [eeprom_wait_readyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, eeprom_wait_readyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, PhyMiReadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 21:10:28,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2024544924, now seen corresponding path program 1 times [2022-10-15 21:10:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:28,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526952463] [2022-10-15 21:10:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:10:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:10:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:10:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:10:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:10:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:10:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:10:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-15 21:10:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:10:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:10:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:10:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:10:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:10:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:10:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 21:10:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-15 21:10:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-15 21:10:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-15 21:10:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 21:10:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 21:10:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 21:10:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 21:10:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 21:10:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-10-15 21:10:29,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:29,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526952463] [2022-10-15 21:10:29,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526952463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:29,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:29,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:10:29,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095262206] [2022-10-15 21:10:29,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:29,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:10:29,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:10:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:29,908 INFO L87 Difference]: Start difference. First operand 1369 states and 1952 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-15 21:10:36,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:39,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:41,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:45,153 INFO L93 Difference]: Finished difference Result 2854 states and 4131 transitions. [2022-10-15 21:10:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:10:45,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 171 [2022-10-15 21:10:45,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:45,188 INFO L225 Difference]: With dead ends: 2854 [2022-10-15 21:10:45,188 INFO L226 Difference]: Without dead ends: 1493 [2022-10-15 21:10:45,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:10:45,205 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 908 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 974 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 3029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:45,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 4150 Invalid, 3029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [974 Valid, 2053 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-10-15 21:10:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2022-10-15 21:10:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1376. [2022-10-15 21:10:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 897 states have (on average 1.3132664437012262) internal successors, (1178), 953 states have internal predecessors, (1178), 392 states have call successors, (392), 62 states have call predecessors, (392), 62 states have return successors, (392), 373 states have call predecessors, (392), 392 states have call successors, (392) [2022-10-15 21:10:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1962 transitions. [2022-10-15 21:10:45,375 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1962 transitions. Word has length 171 [2022-10-15 21:10:45,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:45,383 INFO L495 AbstractCegarLoop]: Abstraction has 1376 states and 1962 transitions. [2022-10-15 21:10:45,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-15 21:10:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1962 transitions. [2022-10-15 21:10:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-15 21:10:45,400 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:45,401 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:45,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:10:45,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [eeprom_wait_readyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, eeprom_wait_readyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, PhyMiReadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 21:10:45,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1496229585, now seen corresponding path program 1 times [2022-10-15 21:10:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:45,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40309475] [2022-10-15 21:10:45,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:45,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:10:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:10:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:10:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:10:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:10:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:10:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:10:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-15 21:10:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:10:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:10:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:10:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:10:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:10:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:10:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 21:10:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-15 21:10:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-15 21:10:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-15 21:10:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 21:10:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 21:10:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 21:10:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 21:10:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-15 21:10:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:10:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-10-15 21:10:46,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40309475] [2022-10-15 21:10:46,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40309475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:46,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:46,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:10:46,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349031793] [2022-10-15 21:10:46,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:46,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:10:46,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:10:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:10:46,450 INFO L87 Difference]: Start difference. First operand 1376 states and 1962 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-10-15 21:10:48,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:53,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:56,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:58,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []