./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 22:33:33,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 22:33:33,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 22:33:33,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 22:33:33,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 22:33:33,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 22:33:33,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 22:33:33,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 22:33:33,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 22:33:33,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 22:33:33,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 22:33:33,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 22:33:33,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 22:33:33,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 22:33:33,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 22:33:33,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 22:33:33,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 22:33:33,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 22:33:33,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 22:33:33,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 22:33:33,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 22:33:33,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 22:33:33,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 22:33:33,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 22:33:33,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 22:33:33,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 22:33:33,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 22:33:33,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 22:33:33,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 22:33:33,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 22:33:33,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 22:33:33,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 22:33:33,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 22:33:33,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 22:33:33,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 22:33:33,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 22:33:33,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 22:33:33,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 22:33:33,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 22:33:33,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 22:33:33,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 22:33:33,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 22:33:33,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 22:33:33,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 22:33:33,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 22:33:33,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 22:33:33,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 22:33:33,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 22:33:33,628 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 22:33:33,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 22:33:33,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 22:33:33,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 22:33:33,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 22:33:33,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 22:33:33,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 22:33:33,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 22:33:33,632 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 22:33:33,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 22:33:33,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 22:33:33,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 22:33:33,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-05 22:33:33,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 22:33:33,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 22:33:33,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 22:33:33,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 22:33:33,904 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 22:33:33,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-05 22:33:33,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c207f5e/efe0a6cb86d145f9ba1f8ed0627dad7e/FLAGcb314e53f [2021-11-05 22:33:34,625 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 22:33:34,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-05 22:33:34,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c207f5e/efe0a6cb86d145f9ba1f8ed0627dad7e/FLAGcb314e53f [2021-11-05 22:33:34,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c207f5e/efe0a6cb86d145f9ba1f8ed0627dad7e [2021-11-05 22:33:34,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 22:33:34,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 22:33:34,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 22:33:34,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 22:33:34,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 22:33:34,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:33:34" (1/1) ... [2021-11-05 22:33:34,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef1cbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:34, skipping insertion in model container [2021-11-05 22:33:34,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:33:34" (1/1) ... [2021-11-05 22:33:34,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 22:33:35,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 22:33:38,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-05 22:33:38,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-05 22:33:38,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-05 22:33:38,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-05 22:33:38,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 22:33:38,377 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 22:33:38,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-05 22:33:38,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-05 22:33:38,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-05 22:33:38,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-05 22:33:38,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 22:33:39,087 INFO L208 MainTranslator]: Completed translation [2021-11-05 22:33:39,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39 WrapperNode [2021-11-05 22:33:39,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 22:33:39,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 22:33:39,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 22:33:39,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 22:33:39,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:39,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:42,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 22:33:42,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 22:33:42,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 22:33:42,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 22:33:42,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:42,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:43,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:43,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:44,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:45,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:45,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:46,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 22:33:46,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 22:33:46,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 22:33:46,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 22:33:46,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (1/1) ... [2021-11-05 22:33:46,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 22:33:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 22:33:46,125 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) [2021-11-05 22:33:46,141 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 [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-05 22:33:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 22:33:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 22:33:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 22:33:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 22:33:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-05 22:33:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-05 22:33:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-05 22:33:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 22:35:25,752 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 22:35:25,752 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-05 22:35:25,752 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-05 22:35:25,753 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-05 22:35:25,753 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 22:35:25,753 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-05 22:35:25,753 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,754 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,758 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-05 22:35:25,761 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 22:35:25,763 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,765 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,766 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,766 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2021-11-05 22:35:25,768 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-05 22:35:25,768 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-05 22:35:25,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 22:35:25,961 INFO L299 CfgBuilder]: Removed 35678 assume(true) statements. [2021-11-05 22:35:25,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:35:25 BoogieIcfgContainer [2021-11-05 22:35:25,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 22:35:25,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 22:35:25,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 22:35:25,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 22:35:25,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:33:34" (1/3) ... [2021-11-05 22:35:25,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770ef8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:35:25, skipping insertion in model container [2021-11-05 22:35:25,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:33:39" (2/3) ... [2021-11-05 22:35:25,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770ef8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:35:25, skipping insertion in model container [2021-11-05 22:35:25,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:35:25" (3/3) ... [2021-11-05 22:35:25,992 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-05 22:35:25,996 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 22:35:25,996 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2021-11-05 22:35:26,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 22:35:26,120 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 22:35:26,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2021-11-05 22:35:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 31376 states, 31094 states have (on average 1.2984498617096545) internal successors, (40374), 31247 states have internal predecessors, (40374), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-11-05 22:35:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-05 22:35:26,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:35:26,477 INFO L514 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] [2021-11-05 22:35:26,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 149 more)] === [2021-11-05 22:35:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:35:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1468841812, now seen corresponding path program 1 times [2021-11-05 22:35:26,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:35:26,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062777740] [2021-11-05 22:35:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:35:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:35:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:35:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:35:27,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:35:27,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062777740] [2021-11-05 22:35:27,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062777740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:35:27,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:35:27,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:35:27,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765248140] [2021-11-05 22:35:27,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:35:27,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:35:27,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:35:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:35:27,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:35:27,408 INFO L87 Difference]: Start difference. First operand has 31376 states, 31094 states have (on average 1.2984498617096545) internal successors, (40374), 31247 states have internal predecessors, (40374), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:35:29,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:35:32,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:35:32,543 INFO L93 Difference]: Finished difference Result 87290 states and 113230 transitions. [2021-11-05 22:35:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:35:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-11-05 22:35:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:35:32,778 INFO L225 Difference]: With dead ends: 87290 [2021-11-05 22:35:32,778 INFO L226 Difference]: Without dead ends: 53490 [2021-11-05 22:35:32,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:35:32,943 INFO L933 BasicCegarLoop]: 39850 mSDtfsCounter, 38704 mSDsluCounter, 33050 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 212 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3201.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38704 SdHoareTripleChecker+Valid, 72900 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 408.82ms SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3470.91ms IncrementalHoareTripleChecker+Time [2021-11-05 22:35:32,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38704 Valid, 72900 Invalid, 681 Unknown, 0 Unchecked, 408.82ms Time], IncrementalHoareTripleChecker [212 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 3470.91ms Time] [2021-11-05 22:35:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53490 states.