./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:53:50,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:53:50,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:53:50,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:53:50,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:53:50,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:53:50,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:53:50,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:53:50,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:53:50,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:53:50,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:53:50,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:53:50,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:53:50,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:53:50,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:53:50,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:53:50,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:53:50,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:53:50,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:53:50,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:53:50,209 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:53:50,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:53:50,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:53:50,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:53:50,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:53:50,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:53:50,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:53:50,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:53:50,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:53:50,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:53:50,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:53:50,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:53:50,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:53:50,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:53:50,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:53:50,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:53:50,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:53:50,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:53:50,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:53:50,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:53:50,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:53:50,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:53:50,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:53:50,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:53:50,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:53:50,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:53:50,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:53:50,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:53:50,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:53:50,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:53:50,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:53:50,250 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:53:50,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:53:50,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:53:50,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:53:50,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:53:50,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:53:50,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:53:50,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:53:50,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:53:50,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:53:50,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:53:50,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:53:50,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:53:50,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:53:50,254 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:53:50,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:53:50,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:53:50,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-14 03:53:50,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:53:50,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:53:50,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:53:50,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:53:50,513 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:53:50,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 03:53:50,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f2aa141/e51079eecaee4d23b7edeaee59de8a7a/FLAG5f655b36e [2022-07-14 03:53:51,301 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:53:51,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 03:53:51,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f2aa141/e51079eecaee4d23b7edeaee59de8a7a/FLAG5f655b36e [2022-07-14 03:53:51,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f2aa141/e51079eecaee4d23b7edeaee59de8a7a [2022-07-14 03:53:51,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:53:51,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:53:51,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:53:51,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:53:51,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:53:51,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:51" (1/1) ... [2022-07-14 03:53:51,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fac4f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:51, skipping insertion in model container [2022-07-14 03:53:51,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:51" (1/1) ... [2022-07-14 03:53:51,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:53:51,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:53:56,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-14 03:53:56,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-14 03:53:56,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:53:56,137 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:53:56,347 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 03:53:56,357 INFO L158 Benchmark]: Toolchain (without parser) took 4801.78ms. Allocated memory was 102.8MB in the beginning and 213.9MB in the end (delta: 111.1MB). Free memory was 64.7MB in the beginning and 122.1MB in the end (delta: -57.4MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2022-07-14 03:53:56,359 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:53:56,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4799.04ms. Allocated memory was 102.8MB in the beginning and 213.9MB in the end (delta: 111.1MB). Free memory was 64.4MB in the beginning and 122.1MB in the end (delta: -57.7MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2022-07-14 03:53:56,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4799.04ms. Allocated memory was 102.8MB in the beginning and 213.9MB in the end (delta: 111.1MB). Free memory was 64.4MB in the beginning and 122.1MB in the end (delta: -57.7MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:53:57,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:53:57,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:53:57,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:53:57,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:53:57,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:53:57,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:53:57,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:53:57,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:53:57,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:53:57,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:53:57,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:53:57,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:53:57,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:53:57,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:53:57,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:53:57,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:53:57,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:53:57,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:53:57,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:53:57,968 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:53:57,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:53:57,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:53:57,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:53:57,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:53:57,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:53:57,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:53:57,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:53:57,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:53:57,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:53:57,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:53:57,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:53:57,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:53:57,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:53:57,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:53:57,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:53:57,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:53:57,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:53:57,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:53:57,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:53:57,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:53:57,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:53:57,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:53:58,004 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:53:58,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:53:58,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:53:58,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:53:58,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:53:58,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:53:58,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:53:58,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:53:58,007 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:53:58,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:53:58,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:53:58,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:53:58,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:53:58,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:53:58,008 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:53:58,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:53:58,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:53:58,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:53:58,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:53:58,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:53:58,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:53:58,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:53:58,010 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:53:58,011 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-14 03:53:58,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:53:58,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:53:58,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:53:58,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:53:58,310 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:53:58,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 03:53:58,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cf77e1b/e5640fdbdb044b27936bf4dc3093423b/FLAG60582669b [2022-07-14 03:53:59,170 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:53:59,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 03:53:59,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cf77e1b/e5640fdbdb044b27936bf4dc3093423b/FLAG60582669b [2022-07-14 03:53:59,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cf77e1b/e5640fdbdb044b27936bf4dc3093423b [2022-07-14 03:53:59,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:53:59,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:53:59,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:53:59,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:53:59,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:53:59,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:59" (1/1) ... [2022-07-14 03:53:59,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693d8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:59, skipping insertion in model container [2022-07-14 03:53:59,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:59" (1/1) ... [2022-07-14 03:53:59,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:53:59,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:54:02,467 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 03:54:02,513 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 03:54:02,584 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 03:54:03,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-14 03:54:03,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-14 03:54:03,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:54:03,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:54:03,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:54:03,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-14 03:54:03,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-14 03:54:03,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:54:03,603 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:54:03,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-14 03:54:03,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-14 03:54:03,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:54:04,036 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:54:04,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04 WrapperNode [2022-07-14 03:54:04,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:54:04,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:54:04,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:54:04,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:54:04,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,338 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6676 [2022-07-14 03:54:04,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:54:04,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:54:04,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:54:04,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:54:04,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:54:04,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:54:04,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:54:04,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:54:04,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (1/1) ... [2022-07-14 03:54:04,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:54:04,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:54:04,725 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) [2022-07-14 03:54:04,751 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 [2022-07-14 03:54:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-14 03:54:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-14 03:54:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 03:54:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 03:54:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-14 03:54:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-14 03:54:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-14 03:54:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-14 03:54:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:54:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:54:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:54:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:54:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:54:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:54:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-14 03:54:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-14 03:54:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-14 03:54:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-14 03:54:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:54:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:54:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 03:54:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 03:54:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:54:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:54:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-14 03:54:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-14 03:54:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-14 03:54:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-14 03:54:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-14 03:54:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-14 03:54:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:54:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:54:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-14 03:54:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-14 03:54:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-14 03:54:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-14 03:54:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-14 03:54:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-14 03:54:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:54:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:54:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:54:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:54:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-14 03:54:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-14 03:54:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:54:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-14 03:54:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-14 03:54:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:54:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:54:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:54:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:54:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-14 03:54:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-14 03:54:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-14 03:54:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-14 03:54:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-14 03:54:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-14 03:54:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-14 03:54:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-14 03:54:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:54:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:54:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:54:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:54:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-14 03:54:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-14 03:54:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:54:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:54:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-14 03:54:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-14 03:54:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:54:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:54:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-14 03:54:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-14 03:54:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:54:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:54:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:54:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:54:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:54:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:54:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:54:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:54:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:54:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:54:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 03:54:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 03:54:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-14 03:54:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-14 03:54:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-14 03:54:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-14 03:54:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 03:54:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 03:54:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:54:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:54:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-14 03:54:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-14 03:54:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-14 03:54:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-14 03:54:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-14 03:54:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-14 03:54:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 03:54:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 03:54:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:54:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:54:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:54:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:54:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:54:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:54:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 03:54:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 03:54:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 03:54:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 03:54:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-14 03:54:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-14 03:54:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:54:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:54:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:54:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:54:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:54:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:54:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:54:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:54:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:54:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:54:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:54:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:54:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-14 03:54:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-14 03:54:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:54:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:54:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-14 03:54:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-14 03:54:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-14 03:54:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-14 03:54:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:54:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:54:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-14 03:54:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-14 03:54:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-14 03:54:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-14 03:54:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-14 03:54:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:54:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-14 03:54:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:54:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:54:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-14 03:54:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:54:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:54:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-14 03:54:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-14 03:54:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-14 03:54:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-14 03:54:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-14 03:54:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-14 03:54:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-14 03:54:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-14 03:54:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-14 03:54:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 03:54:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 03:54:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:54:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:54:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:54:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:54:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-14 03:54:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-14 03:54:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:54:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 03:54:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-14 03:54:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-14 03:54:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:54:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 03:54:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:54:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-14 03:54:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-14 03:54:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-14 03:54:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-14 03:54:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-14 03:54:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-14 03:54:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 03:54:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 03:54:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-14 03:54:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-14 03:54:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:54:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:54:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-14 03:54:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-14 03:54:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 03:54:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 03:54:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:54:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:54:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-14 03:54:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-14 03:54:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-14 03:54:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-14 03:54:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-14 03:54:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-14 03:54:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-14 03:54:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-14 03:54:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 03:54:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 03:54:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 03:54:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 03:54:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:54:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:54:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-14 03:54:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-14 03:54:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 03:54:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 03:54:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-14 03:54:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-14 03:54:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-14 03:54:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-14 03:54:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 03:54:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:54:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:54:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-14 03:54:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-14 03:54:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:54:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:54:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-14 03:54:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-14 03:54:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-14 03:54:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-14 03:54:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 03:54:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 03:54:05,877 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:54:05,881 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:54:06,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:54:49,123 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:54:49,262 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:54:49,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:54:49,286 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 03:54:49,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:54:49 BoogieIcfgContainer [2022-07-14 03:54:49,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:54:49,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:54:49,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:54:49,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:54:49,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:53:59" (1/3) ... [2022-07-14 03:54:49,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4c689c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:54:49, skipping insertion in model container [2022-07-14 03:54:49,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:54:04" (2/3) ... [2022-07-14 03:54:49,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4c689c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:54:49, skipping insertion in model container [2022-07-14 03:54:49,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:54:49" (3/3) ... [2022-07-14 03:54:49,297 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 03:54:49,307 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:54:49,307 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:54:49,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:54:49,420 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=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@17f3038d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c7f0ccd [2022-07-14 03:54:49,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:54:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-07-14 03:54:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-14 03:54:49,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:49,482 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:54:49,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 670640399, now seen corresponding path program 1 times [2022-07-14 03:54:49,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:49,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373081107] [2022-07-14 03:54:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:49,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:49,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:49,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:54:49,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:54:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:56,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:56,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:54:56,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:56,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:56,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373081107] [2022-07-14 03:54:56,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373081107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:56,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:56,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:54:56,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342707219] [2022-07-14 03:54:56,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:56,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:56,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:56,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:56,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:56,741 INFO L87 Difference]: Start difference. First operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:54:58,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:58,404 INFO L93 Difference]: Finished difference Result 9025 states and 13628 transitions. [2022-07-14 03:54:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:58,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-07-14 03:54:58,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:58,488 INFO L225 Difference]: With dead ends: 9025 [2022-07-14 03:54:58,488 INFO L226 Difference]: Without dead ends: 5927 [2022-07-14 03:54:58,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:58,519 INFO L413 NwaCegarLoop]: 5801 mSDtfsCounter, 4366 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:54:58,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 10348 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 03:54:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-07-14 03:54:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5918. [2022-07-14 03:54:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5918 states, 3400 states have (on average 1.2497058823529412) internal successors, (4249), 3466 states have internal predecessors, (4249), 2297 states have call successors, (2297), 220 states have call predecessors, (2297), 220 states have return successors, (2316), 2263 states have call predecessors, (2316), 2297 states have call successors, (2316) [2022-07-14 03:54:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 8862 transitions. [2022-07-14 03:54:58,986 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 8862 transitions. Word has length 473 [2022-07-14 03:54:58,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:58,990 INFO L495 AbstractCegarLoop]: Abstraction has 5918 states and 8862 transitions. [2022-07-14 03:54:58,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:54:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 8862 transitions. [2022-07-14 03:54:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-14 03:54:59,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:59,005 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:54:59,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 03:54:59,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:59,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1060216007, now seen corresponding path program 1 times [2022-07-14 03:54:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013006099] [2022-07-14 03:54:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:59,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:59,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:54:59,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:55:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:55:05,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:55:05,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:55:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:55:06,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:55:06,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:55:06,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013006099] [2022-07-14 03:55:06,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013006099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:55:06,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:55:06,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:55:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686560629] [2022-07-14 03:55:06,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:55:06,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:55:06,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:55:06,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:55:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:06,109 INFO L87 Difference]: Start difference. First operand 5918 states and 8862 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:55:07,821 INFO L93 Difference]: Finished difference Result 17424 states and 26130 transitions. [2022-07-14 03:55:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:55:07,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 472 [2022-07-14 03:55:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:55:07,922 INFO L225 Difference]: With dead ends: 17424 [2022-07-14 03:55:07,922 INFO L226 Difference]: Without dead ends: 11583 [2022-07-14 03:55:07,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:07,968 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:55:07,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 03:55:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-07-14 03:55:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11567. [2022-07-14 03:55:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 6626 states have (on average 1.2475098098400241) internal successors, (8266), 6758 states have internal predecessors, (8266), 4500 states have call successors, (4500), 440 states have call predecessors, (4500), 440 states have return successors, (4572), 4432 states have call predecessors, (4572), 4500 states have call successors, (4572) [2022-07-14 03:55:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 17338 transitions. [2022-07-14 03:55:08,624 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 17338 transitions. Word has length 472 [2022-07-14 03:55:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:55:08,625 INFO L495 AbstractCegarLoop]: Abstraction has 11567 states and 17338 transitions. [2022-07-14 03:55:08,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 17338 transitions. [2022-07-14 03:55:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-14 03:55:08,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:55:08,636 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:55:08,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:55:08,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:55:08,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:55:08,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:55:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2022-07-14 03:55:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:55:08,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596553718] [2022-07-14 03:55:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:55:08,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:55:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:55:08,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:55:08,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:55:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:55:16,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 4147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:55:16,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:55:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:55:16,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:55:16,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:55:16,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596553718] [2022-07-14 03:55:16,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596553718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:55:16,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:55:16,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:55:16,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710547075] [2022-07-14 03:55:16,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:55:16,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:55:16,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:55:16,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:55:16,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:16,692 INFO L87 Difference]: Start difference. First operand 11567 states and 17338 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:55:18,800 INFO L93 Difference]: Finished difference Result 34203 states and 51324 transitions. [2022-07-14 03:55:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:55:18,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 473 [2022-07-14 03:55:18,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:55:19,052 INFO L225 Difference]: With dead ends: 34203 [2022-07-14 03:55:19,052 INFO L226 Difference]: Without dead ends: 22713 [2022-07-14 03:55:19,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:19,169 INFO L413 NwaCegarLoop]: 5710 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10186 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:55:19,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10186 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 03:55:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-07-14 03:55:20,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22679. [2022-07-14 03:55:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 12950 states have (on average 1.2443243243243243) internal successors, (16114), 13214 states have internal predecessors, (16114), 8848 states have call successors, (8848), 880 states have call predecessors, (8848), 880 states have return successors, (9048), 8712 states have call predecessors, (9048), 8848 states have call successors, (9048) [2022-07-14 03:55:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 34010 transitions. [2022-07-14 03:55:20,622 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 34010 transitions. Word has length 473 [2022-07-14 03:55:20,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:55:20,623 INFO L495 AbstractCegarLoop]: Abstraction has 22679 states and 34010 transitions. [2022-07-14 03:55:20,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 34010 transitions. [2022-07-14 03:55:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-14 03:55:20,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:55:20,634 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:55:20,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:55:20,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:55:20,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:55:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:55:20,848 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2022-07-14 03:55:20,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:55:20,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385109418] [2022-07-14 03:55:20,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:55:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:55:20,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:55:20,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:55:20,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:55:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:55:28,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:55:28,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:55:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:55:28,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:55:28,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:55:28,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385109418] [2022-07-14 03:55:28,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385109418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:55:28,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:55:28,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:55:28,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568813311] [2022-07-14 03:55:28,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:55:28,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:55:28,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:55:28,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:55:28,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:28,981 INFO L87 Difference]: Start difference. First operand 22679 states and 34010 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:31,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:55:31,445 INFO L93 Difference]: Finished difference Result 66986 states and 100578 transitions. [2022-07-14 03:55:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:55:31,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 474 [2022-07-14 03:55:31,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:55:31,986 INFO L225 Difference]: With dead ends: 66986 [2022-07-14 03:55:31,987 INFO L226 Difference]: Without dead ends: 44384 [2022-07-14 03:55:32,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:32,113 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4298 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:55:32,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 03:55:32,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2022-07-14 03:55:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 44310. [2022-07-14 03:55:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44310 states, 25184 states have (on average 1.2404701397712834) internal successors, (31240), 25707 states have internal predecessors, (31240), 17379 states have call successors, (17379), 1747 states have call predecessors, (17379), 1746 states have return successors, (17877), 17111 states have call predecessors, (17877), 17379 states have call successors, (17877) [2022-07-14 03:55:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44310 states to 44310 states and 66496 transitions. [2022-07-14 03:55:34,971 INFO L78 Accepts]: Start accepts. Automaton has 44310 states and 66496 transitions. Word has length 474 [2022-07-14 03:55:34,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:55:34,985 INFO L495 AbstractCegarLoop]: Abstraction has 44310 states and 66496 transitions. [2022-07-14 03:55:34,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 03:55:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44310 states and 66496 transitions. [2022-07-14 03:55:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-14 03:55:34,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:55:34,992 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:55:35,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:55:35,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:55:35,206 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:55:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:55:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2022-07-14 03:55:35,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:55:35,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122283039] [2022-07-14 03:55:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:55:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:55:35,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:55:35,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:55:35,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:55:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:55:43,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:55:43,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:55:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:55:43,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:55:43,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:55:43,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122283039] [2022-07-14 03:55:43,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122283039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:55:43,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:55:43,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:55:43,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212048964] [2022-07-14 03:55:43,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:55:43,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:55:43,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:55:43,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:55:43,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:43,687 INFO L87 Difference]: Start difference. First operand 44310 states and 66496 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:55:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:55:47,651 INFO L93 Difference]: Finished difference Result 126319 states and 189733 transitions. [2022-07-14 03:55:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:55:47,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 474 [2022-07-14 03:55:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:55:48,542 INFO L225 Difference]: With dead ends: 126319 [2022-07-14 03:55:48,542 INFO L226 Difference]: Without dead ends: 82086 [2022-07-14 03:55:48,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:55:48,790 INFO L413 NwaCegarLoop]: 7919 mSDtfsCounter, 3953 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 12420 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:55:48,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 12420 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 03:55:48,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82086 states. [2022-07-14 03:55:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82086 to 82068. [2022-07-14 03:55:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82068 states, 46173 states have (on average 1.2366967708401013) internal successors, (57102), 47200 states have internal predecessors, (57102), 32553 states have call successors, (32553), 3337 states have call predecessors, (32553), 3341 states have return successors, (33422), 32018 states have call predecessors, (33422), 32553 states have call successors, (33422) [2022-07-14 03:55:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82068 states to 82068 states and 123077 transitions. [2022-07-14 03:55:54,386 INFO L78 Accepts]: Start accepts. Automaton has 82068 states and 123077 transitions. Word has length 474 [2022-07-14 03:55:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:55:54,387 INFO L495 AbstractCegarLoop]: Abstraction has 82068 states and 123077 transitions. [2022-07-14 03:55:54,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:55:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 82068 states and 123077 transitions. [2022-07-14 03:55:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-14 03:55:54,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:55:54,392 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:55:54,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 03:55:54,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:55:54,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:55:54,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:55:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1165557520, now seen corresponding path program 1 times [2022-07-14 03:55:54,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:55:54,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343968784] [2022-07-14 03:55:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:55:54,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:55:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:55:54,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:55:54,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:56:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:02,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:02,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-14 03:56:02,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:02,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:02,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343968784] [2022-07-14 03:56:02,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343968784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:02,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:02,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711533496] [2022-07-14 03:56:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:02,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:02,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:02,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:02,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:02,907 INFO L87 Difference]: Start difference. First operand 82068 states and 123077 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 03:56:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:09,658 INFO L93 Difference]: Finished difference Result 240731 states and 362910 transitions. [2022-07-14 03:56:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:09,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 482 [2022-07-14 03:56:09,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:11,476 INFO L225 Difference]: With dead ends: 240731 [2022-07-14 03:56:11,477 INFO L226 Difference]: Without dead ends: 158740 [2022-07-14 03:56:12,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:12,224 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 4232 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 10258 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:12,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 10258 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:56:12,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158740 states. [2022-07-14 03:56:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158740 to 158674. [2022-07-14 03:56:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158674 states, 88289 states have (on average 1.2329622036720316) internal successors, (108857), 90263 states have internal predecessors, (108857), 63869 states have call successors, (63869), 6539 states have call predecessors, (63869), 6515 states have return successors, (67027), 62719 states have call predecessors, (67027), 63869 states have call successors, (67027) [2022-07-14 03:56:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158674 states to 158674 states and 239753 transitions. [2022-07-14 03:56:22,073 INFO L78 Accepts]: Start accepts. Automaton has 158674 states and 239753 transitions. Word has length 482 [2022-07-14 03:56:22,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:22,073 INFO L495 AbstractCegarLoop]: Abstraction has 158674 states and 239753 transitions. [2022-07-14 03:56:22,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 03:56:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 158674 states and 239753 transitions. [2022-07-14 03:56:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-14 03:56:22,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:22,080 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:56:22,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 03:56:22,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:22,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:22,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1165168756, now seen corresponding path program 1 times [2022-07-14 03:56:22,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:22,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873571491] [2022-07-14 03:56:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:22,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:22,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:56:22,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:56:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:29,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:29,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6147 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 5904 trivial. 0 not checked. [2022-07-14 03:56:30,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:30,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:30,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873571491] [2022-07-14 03:56:30,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873571491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:30,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:30,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:30,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718145184] [2022-07-14 03:56:30,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:30,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:30,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:30,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:30,857 INFO L87 Difference]: Start difference. First operand 158674 states and 239753 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-14 03:56:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:41,481 INFO L93 Difference]: Finished difference Result 389993 states and 589699 transitions. [2022-07-14 03:56:41,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:41,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 538 [2022-07-14 03:56:41,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:43,991 INFO L225 Difference]: With dead ends: 389993 [2022-07-14 03:56:43,991 INFO L226 Difference]: Without dead ends: 231396 [2022-07-14 03:56:45,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:45,223 INFO L413 NwaCegarLoop]: 8499 mSDtfsCounter, 3939 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 12989 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:45,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 12989 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 03:56:45,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231396 states. [2022-07-14 03:56:56,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231396 to 231362. [2022-07-14 03:56:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231362 states, 128138 states have (on average 1.2313443318921788) internal successors, (157782), 131080 states have internal predecessors, (157782), 93614 states have call successors, (93614), 9639 states have call predecessors, (93614), 9609 states have return successors, (98150), 91890 states have call predecessors, (98150), 93614 states have call successors, (98150) [2022-07-14 03:56:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231362 states to 231362 states and 349546 transitions. [2022-07-14 03:56:59,389 INFO L78 Accepts]: Start accepts. Automaton has 231362 states and 349546 transitions. Word has length 538 [2022-07-14 03:56:59,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:59,390 INFO L495 AbstractCegarLoop]: Abstraction has 231362 states and 349546 transitions. [2022-07-14 03:56:59,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-14 03:56:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 231362 states and 349546 transitions. [2022-07-14 03:56:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-07-14 03:56:59,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:59,397 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 36, 36, 36, 36, 36, 36, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:56:59,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:56:59,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:59,616 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:59,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:59,617 INFO L85 PathProgramCache]: Analyzing trace with hash 231317516, now seen corresponding path program 1 times [2022-07-14 03:56:59,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:59,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107380561] [2022-07-14 03:56:59,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:59,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:59,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:59,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:56:59,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:57:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:57:07,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 4487 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:57:07,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:57:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6508 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 6366 trivial. 0 not checked. [2022-07-14 03:57:07,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:57:07,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:57:07,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107380561] [2022-07-14 03:57:07,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107380561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:57:07,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:57:07,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:57:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215777549] [2022-07-14 03:57:07,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:57:07,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:57:07,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:57:07,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:57:07,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:57:07,663 INFO L87 Difference]: Start difference. First operand 231362 states and 349546 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57)