/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:16:28,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:16:28,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:16:28,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:16:28,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:16:28,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:16:28,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:16:28,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:16:28,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:16:28,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:16:28,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:16:28,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:16:28,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:16:28,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:16:28,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:16:28,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:16:28,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:16:28,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:16:28,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:16:28,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:16:28,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:16:28,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:16:28,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:16:28,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:16:28,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:16:28,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:16:28,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:16:28,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:16:28,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:16:28,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:16:28,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:16:28,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:16:28,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:16:28,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:16:28,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:16:28,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:16:28,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:16:28,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:16:28,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:16:28,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:16:28,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:16:28,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:16:28,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:16:28,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:16:28,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:16:28,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:16:28,291 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:16:28,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:16:28,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:16:28,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:16:28,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:16:28,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:16:28,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:16:28,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:16:28,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:16:28,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:16:28,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:16:28,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:16:28,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:16:28,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:16:28,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:16:28,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:16:28,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:16:28,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:16:28,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:16:28,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:16:28,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:16:28,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:16:28,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:16:28,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:16:28,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:16:28,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:16:28,776 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:16:28,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i [2020-12-22 16:16:28,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880449149/5eb19f3d779140c383fc9ad8cea655e1/FLAG8c3494dac [2020-12-22 16:16:30,066 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:16:30,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i [2020-12-22 16:16:30,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880449149/5eb19f3d779140c383fc9ad8cea655e1/FLAG8c3494dac [2020-12-22 16:16:30,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880449149/5eb19f3d779140c383fc9ad8cea655e1 [2020-12-22 16:16:30,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:16:30,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:16:30,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:16:30,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:16:30,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:16:30,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:16:30" (1/1) ... [2020-12-22 16:16:30,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa3b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:30, skipping insertion in model container [2020-12-22 16:16:30,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:16:30" (1/1) ... [2020-12-22 16:16:30,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:16:30,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:16:35,174 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510265,510278] [2020-12-22 16:16:35,180 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510412,510425] [2020-12-22 16:16:35,181 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510551,510564] [2020-12-22 16:16:35,181 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510709,510722] [2020-12-22 16:16:35,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:16:35,327 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:16:35,868 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510265,510278] [2020-12-22 16:16:35,869 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510412,510425] [2020-12-22 16:16:35,873 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510551,510564] [2020-12-22 16:16:35,874 WARN L226 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i[510709,510722] [2020-12-22 16:16:35,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:16:37,130 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:16:37,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37 WrapperNode [2020-12-22 16:16:37,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:16:37,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:16:37,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:16:37,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:16:37,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:37,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:43,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:16:43,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:16:43,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:16:43,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:16:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:43,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:44,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:44,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:47,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:48,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:48,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... [2020-12-22 16:16:49,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:16:49,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:16:49,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:16:49,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:16:49,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:16:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2020-12-22 16:16:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2020-12-22 16:16:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:16:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:16:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:16:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:16:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:16:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:16:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 16:16:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 16:16:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 16:16:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:16:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:16:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:16:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:16:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 16:16:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:16:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:16:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:16:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2020-12-22 16:16:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2020-12-22 16:16:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:16:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2020-12-22 16:16:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2020-12-22 16:16:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 16:20:26,968 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 16:20:26,969 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2020-12-22 16:20:26,969 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2020-12-22 16:20:26,969 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2020-12-22 16:20:26,970 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 16:20:26,970 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2020-12-22 16:20:26,970 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,971 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,972 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,976 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2020-12-22 16:20:26,982 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 16:20:26,984 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2020-12-22 16:20:26,989 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2020-12-22 16:20:26,989 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2020-12-22 16:20:27,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 16:20:27,278 INFO L299 CfgBuilder]: Removed 34786 assume(true) statements. [2020-12-22 16:20:27,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:20:27 BoogieIcfgContainer [2020-12-22 16:20:27,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 16:20:27,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 16:20:27,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 16:20:27,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 16:20:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:16:30" (1/3) ... [2020-12-22 16:20:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c726de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:20:27, skipping insertion in model container [2020-12-22 16:20:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:16:37" (2/3) ... [2020-12-22 16:20:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c726de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:20:27, skipping insertion in model container [2020-12-22 16:20:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:20:27" (3/3) ... [2020-12-22 16:20:27,317 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-renesas-sh_eth.cil.i [2020-12-22 16:20:27,324 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 16:20:27,336 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-22 16:20:27,355 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-22 16:20:27,470 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 16:20:27,470 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 16:20:27,471 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 16:20:27,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 16:20:27,471 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 16:20:27,471 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 16:20:27,471 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 16:20:27,471 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 16:20:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30370 states. [2020-12-22 16:20:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-22 16:20:27,810 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:20:27,811 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:20:27,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:20:27,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:20:27,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1144841294, now seen corresponding path program 1 times [2020-12-22 16:20:27,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:20:27,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373320203] [2020-12-22 16:20:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:20:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:20:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:20:29,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373320203] [2020-12-22 16:20:29,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:20:29,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:20:29,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313400652] [2020-12-22 16:20:29,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:20:29,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:20:29,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:20:29,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:20:29,247 INFO L87 Difference]: Start difference. First operand 30370 states. Second operand 3 states.