./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-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-ethernet-intel-ixgb-ixgb.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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:11:00,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:11:00,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:11:00,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:11:00,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:11:00,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:11:00,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:11:00,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:11:00,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:11:00,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:11:00,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:11:00,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:11:00,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:11:00,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:11:00,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:11:00,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:11:00,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:11:00,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:11:00,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:11:00,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:11:00,291 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:11:00,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:11:00,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:11:00,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:11:00,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:11:00,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:11:00,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:11:00,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:11:00,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:11:00,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:11:00,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:11:00,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:11:00,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:11:00,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:11:00,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:11:00,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:11:00,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:11:00,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:11:00,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:11:00,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:11:00,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:11:00,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:11:00,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:11:00,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:11:00,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:11:00,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:11:00,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:11:00,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:11:00,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:11:00,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:11:00,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:11:00,333 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:11:00,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:11:00,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:11:00,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:11:00,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:11:00,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:11:00,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:11:00,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:11:00,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:11:00,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:11:00,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:11:00,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:11:00,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:11:00,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:11:00,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:11:00,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:11:00,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:11:00,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:11:00,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:11:00,338 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:11:00,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:11:00,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:11:00,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-20 03:11:00,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:11:00,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:11:00,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:11:00,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:11:00,612 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:11:00,614 INFO L432 ainManager$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-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:11:00,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416fa8ead/57713204d1b743f09ba60b549ca8af99/FLAG3ff7e0a70 [2022-07-20 03:11:01,509 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:11:01,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:11:01,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416fa8ead/57713204d1b743f09ba60b549ca8af99/FLAG3ff7e0a70 [2022-07-20 03:11:01,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416fa8ead/57713204d1b743f09ba60b549ca8af99 [2022-07-20 03:11:01,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:11:01,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:11:01,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:11:01,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:11:01,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:11:01,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:11:01" (1/1) ... [2022-07-20 03:11:01,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d1ce60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:01, skipping insertion in model container [2022-07-20 03:11:01,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:11:01" (1/1) ... [2022-07-20 03:11:01,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:11:02,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:11:06,999 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-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-20 03:11:07,002 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-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-20 03:11:07,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:11:07,109 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:11:07,398 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: eecd_reg = eecd_reg & 4294967283U [14676] 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) [2022-07-20 03:11:07,407 INFO L158 Benchmark]: Toolchain (without parser) took 5456.32ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 59.9MB in the beginning and 77.7MB in the end (delta: -17.8MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-07-20 03:11:07,408 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:11:07,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5450.04ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 59.9MB in the beginning and 77.7MB in the end (delta: -17.8MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-07-20 03:11:07,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5450.04ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 59.9MB in the beginning and 77.7MB in the end (delta: -17.8MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14676] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14676]: 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-ethernet-intel-ixgb-ixgb.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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:11:09,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:11:09,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:11:09,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:11:09,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:11:09,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:11:09,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:11:09,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:11:09,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:11:09,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:11:09,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:11:09,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:11:09,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:11:09,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:11:09,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:11:09,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:11:09,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:11:09,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:11:09,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:11:09,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:11:09,200 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:11:09,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:11:09,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:11:09,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:11:09,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:11:09,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:11:09,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:11:09,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:11:09,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:11:09,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:11:09,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:11:09,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:11:09,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:11:09,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:11:09,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:11:09,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:11:09,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:11:09,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:11:09,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:11:09,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:11:09,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:11:09,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:11:09,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:11:09,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:11:09,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:11:09,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:11:09,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:11:09,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:11:09,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:11:09,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:11:09,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:11:09,261 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:11:09,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:11:09,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:11:09,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:11:09,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:11:09,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:11:09,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:11:09,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:11:09,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:11:09,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:11:09,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:11:09,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:11:09,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:11:09,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:11:09,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:11:09,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:11:09,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:11:09,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:11:09,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:11:09,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:11:09,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:11:09,265 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:11:09,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:11:09,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:11:09,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:11:09,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-20 03:11:09,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:11:09,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:11:09,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:11:09,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:11:09,601 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:11:09,602 INFO L432 ainManager$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-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:11:09,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfea1fec7/27ac77e72f8946069dad824e583da11f/FLAG24bcaba08 [2022-07-20 03:11:10,599 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:11:10,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:11:10,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfea1fec7/27ac77e72f8946069dad824e583da11f/FLAG24bcaba08 [2022-07-20 03:11:10,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfea1fec7/27ac77e72f8946069dad824e583da11f [2022-07-20 03:11:10,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:11:11,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:11:11,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:11:11,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:11:11,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:11:11,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:11:10" (1/1) ... [2022-07-20 03:11:11,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fc4f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:11, skipping insertion in model container [2022-07-20 03:11:11,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:11:10" (1/1) ... [2022-07-20 03:11:11,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:11:11,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:11:17,052 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-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-20 03:11:17,055 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-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-20 03:11:17,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:11:17,163 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:11:17,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:11:17,726 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-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-20 03:11:17,727 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-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-20 03:11:17,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:11:17,780 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:11:18,199 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-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-20 03:11:18,199 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-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-20 03:11:18,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:11:18,507 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:11:18,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18 WrapperNode [2022-07-20 03:11:18,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:11:18,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:11:18,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:11:18,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:11:18,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:18,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,051 INFO L137 Inliner]: procedures = 600, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 11868 [2022-07-20 03:11:19,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:11:19,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:11:19,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:11:19,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:11:19,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:11:19,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:11:19,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:11:19,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:11:19,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (1/1) ... [2022-07-20 03:11:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:11:19,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:11:19,693 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) [2022-07-20 03:11:19,714 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 [2022-07-20 03:11:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:11:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:11:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:11:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:11:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:11:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:11:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-20 03:11:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-20 03:11:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:11:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:11:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-20 03:11:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-20 03:11:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 03:11:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 03:11:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:11:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:11:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 03:11:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 03:11:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:11:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:11:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-20 03:11:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-20 03:11:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-20 03:11:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-20 03:11:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-20 03:11:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-20 03:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-20 03:11:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-20 03:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-20 03:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-20 03:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-20 03:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-20 03:11:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:11:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:11:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:11:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:11:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:11:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:11:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:11:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:11:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-20 03:11:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-20 03:11:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:11:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:11:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:11:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:11:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:11:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 03:11:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 03:11:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:11:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:11:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:11:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-20 03:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-20 03:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-20 03:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-20 03:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:11:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-20 03:11:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-20 03:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-20 03:11:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-20 03:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:11:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-20 03:11:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-20 03:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:11:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-20 03:11:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-20 03:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-20 03:11:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-20 03:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:11:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-20 03:11:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-20 03:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:11:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 03:11:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 03:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:11:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:11:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 03:11:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 03:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:11:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:11:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:11:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-20 03:11:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-20 03:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 03:11:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 03:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:11:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-20 03:11:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-20 03:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-20 03:11:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-20 03:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-20 03:11:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-20 03:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:11:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:11:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:11:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:11:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:11:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:11:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:11:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:11:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:11:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:11:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:11:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:11:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:11:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:11:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:11:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:11:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:11:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-20 03:11:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-20 03:11:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-20 03:11:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-20 03:11:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:11:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:11:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:11:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:11:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-20 03:11:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-20 03:11:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:11:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:11:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-20 03:11:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-20 03:11:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 03:11:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 03:11:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-20 03:11:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-20 03:11:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-20 03:11:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-20 03:11:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 03:11:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 03:11:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:11:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:11:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:11:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:11:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-20 03:11:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-20 03:11:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-20 03:11:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-20 03:11:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-20 03:11:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-20 03:11:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 03:11:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 03:11:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:11:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:11:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:11:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-20 03:11:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-20 03:11:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:11:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:11:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 03:11:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 03:11:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:11:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:11:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:11:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:11:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:11:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:11:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:11:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:11:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:11:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:11:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:11:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:11:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 03:11:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 03:11:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-20 03:11:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-20 03:11:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:11:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:11:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-20 03:11:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-20 03:11:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 03:11:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 03:11:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:11:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:11:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:11:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:11:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-20 03:11:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-20 03:11:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-20 03:11:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-20 03:11:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 03:11:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 03:11:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:11:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:11:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:11:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:11:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:11:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:11:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:11:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 03:11:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 03:11:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:11:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 03:11:19,774 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:11:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:11:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:11:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:11:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:11:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:11:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:11:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:11:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:11:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:11:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-20 03:11:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-20 03:11:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-20 03:11:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-20 03:11:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 03:11:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 03:11:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-20 03:11:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-20 03:11:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:11:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:11:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:11:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:11:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 03:11:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 03:11:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:11:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:11:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:11:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:11:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 03:11:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 03:11:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 03:11:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 03:11:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:11:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:11:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-20 03:11:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:11:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:11:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-20 03:11:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-20 03:11:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:11:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:11:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-20 03:11:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-20 03:11:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:11:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:11:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-20 03:11:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-20 03:11:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-20 03:11:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-20 03:11:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-20 03:11:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-20 03:11:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:11:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:11:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-20 03:11:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-20 03:11:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-20 03:11:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-20 03:11:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-20 03:11:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-20 03:11:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-20 03:11:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-20 03:11:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-20 03:11:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-20 03:11:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:11:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:11:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 03:11:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 03:11:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 03:11:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 03:11:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 03:11:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 03:11:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:11:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:11:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 03:11:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-20 03:11:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-20 03:11:20,965 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:11:20,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:11:21,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:13:37,618 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:13:40,182 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:13:40,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:13:40,203 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 03:13:40,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:13:40 BoogieIcfgContainer [2022-07-20 03:13:40,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:13:40,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:13:40,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:13:40,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:13:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:11:10" (1/3) ... [2022-07-20 03:13:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3f2093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:13:40, skipping insertion in model container [2022-07-20 03:13:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:11:18" (2/3) ... [2022-07-20 03:13:40,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3f2093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:13:40, skipping insertion in model container [2022-07-20 03:13:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:13:40" (3/3) ... [2022-07-20 03:13:40,213 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:13:40,225 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:13:40,225 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 03:13:40,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:13:40,320 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@33ac2b65, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@671b14fd [2022-07-20 03:13:40,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 03:13:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2022-07-20 03:13:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-20 03:13:40,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:40,377 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:13:40,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 300694412, now seen corresponding path program 1 times [2022-07-20 03:13:40,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:13:40,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360125804] [2022-07-20 03:13:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:40,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:13:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:13:40,408 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) [2022-07-20 03:13:40,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:13:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:44,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:13:44,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:13:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:13:45,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:13:45,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:13:45,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360125804] [2022-07-20 03:13:45,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360125804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:45,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:45,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:13:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387740271] [2022-07-20 03:13:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:45,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:13:45,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:13:45,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:13:45,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:13:45,355 INFO L87 Difference]: Start difference. First operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 03:13:47,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:47,457 INFO L93 Difference]: Finished difference Result 9429 states and 13551 transitions. [2022-07-20 03:13:47,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:13:47,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2022-07-20 03:13:47,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:47,527 INFO L225 Difference]: With dead ends: 9429 [2022-07-20 03:13:47,527 INFO L226 Difference]: Without dead ends: 6024 [2022-07-20 03:13:47,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:13:47,574 INFO L413 NwaCegarLoop]: 5616 mSDtfsCounter, 3897 mSDsluCounter, 4659 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 10275 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:47,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 10275 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 03:13:47,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2022-07-20 03:13:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 6019. [2022-07-20 03:13:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 4083 states have (on average 1.2500612294881215) internal successors, (5104), 4140 states have internal predecessors, (5104), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2022-07-20 03:13:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2022-07-20 03:13:48,125 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2022-07-20 03:13:48,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:48,131 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2022-07-20 03:13:48,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 03:13:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2022-07-20 03:13:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 03:13:48,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:48,146 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2022-07-20 03:13:48,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:13:48,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:13:48,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:48,368 INFO L85 PathProgramCache]: Analyzing trace with hash 370553001, now seen corresponding path program 1 times [2022-07-20 03:13:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:13:48,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566107867] [2022-07-20 03:13:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:13:48,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:13:48,376 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) [2022-07-20 03:13:48,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:13:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:52,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:13:52,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:13:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-20 03:13:53,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:13:53,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:13:53,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566107867] [2022-07-20 03:13:53,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566107867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:53,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:53,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:13:53,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237174634] [2022-07-20 03:13:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:53,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:13:53,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:13:53,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:13:53,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:13:53,104 INFO L87 Difference]: Start difference. First operand 6019 states and 8478 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 03:13:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:55,525 INFO L93 Difference]: Finished difference Result 14838 states and 20831 transitions. [2022-07-20 03:13:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:13:55,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 243 [2022-07-20 03:13:55,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:55,599 INFO L225 Difference]: With dead ends: 14838 [2022-07-20 03:13:55,599 INFO L226 Difference]: Without dead ends: 8856 [2022-07-20 03:13:55,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:13:55,640 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3325 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:55,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 9840 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 03:13:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-07-20 03:13:56,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 8850. [2022-07-20 03:13:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8850 states, 5982 states have (on average 1.245235707121364) internal successors, (7449), 6067 states have internal predecessors, (7449), 2471 states have call successors, (2471), 396 states have call predecessors, (2471), 395 states have return successors, (2472), 2443 states have call predecessors, (2472), 2471 states have call successors, (2472) [2022-07-20 03:13:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 12392 transitions. [2022-07-20 03:13:56,178 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 12392 transitions. Word has length 243 [2022-07-20 03:13:56,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:56,179 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 12392 transitions. [2022-07-20 03:13:56,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 03:13:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 12392 transitions. [2022-07-20 03:13:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-20 03:13:56,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:56,187 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2022-07-20 03:13:56,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:13:56,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:13:56,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1226216762, now seen corresponding path program 1 times [2022-07-20 03:13:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:13:56,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191091668] [2022-07-20 03:13:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:56,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:13:56,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:13:56,412 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) [2022-07-20 03:13:56,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:14:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 4678 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:00,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-20 03:14:02,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:02,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:02,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191091668] [2022-07-20 03:14:02,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191091668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:02,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:02,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898766952] [2022-07-20 03:14:02,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:02,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:02,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:02,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:02,074 INFO L87 Difference]: Start difference. First operand 8850 states and 12392 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 03:14:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:03,947 INFO L93 Difference]: Finished difference Result 20848 states and 29203 transitions. [2022-07-20 03:14:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:03,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-07-20 03:14:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:04,043 INFO L225 Difference]: With dead ends: 20848 [2022-07-20 03:14:04,043 INFO L226 Difference]: Without dead ends: 12035 [2022-07-20 03:14:04,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:04,097 INFO L413 NwaCegarLoop]: 8453 mSDtfsCounter, 3805 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:04,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 13029 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 03:14:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2022-07-20 03:14:04,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 12029. [2022-07-20 03:14:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12029 states, 8125 states have (on average 1.2427076923076923) internal successors, (10097), 8239 states have internal predecessors, (10097), 3366 states have call successors, (3366), 537 states have call predecessors, (3366), 536 states have return successors, (3367), 3330 states have call predecessors, (3367), 3366 states have call successors, (3367) [2022-07-20 03:14:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12029 states to 12029 states and 16830 transitions. [2022-07-20 03:14:05,007 INFO L78 Accepts]: Start accepts. Automaton has 12029 states and 16830 transitions. Word has length 282 [2022-07-20 03:14:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:05,008 INFO L495 AbstractCegarLoop]: Abstraction has 12029 states and 16830 transitions. [2022-07-20 03:14:05,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 03:14:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 12029 states and 16830 transitions. [2022-07-20 03:14:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-20 03:14:05,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:05,017 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:05,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:05,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:05,238 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:05,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:05,238 INFO L85 PathProgramCache]: Analyzing trace with hash 555212710, now seen corresponding path program 1 times [2022-07-20 03:14:05,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:05,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055411990] [2022-07-20 03:14:05,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:05,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:05,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:05,248 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) [2022-07-20 03:14:05,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:14:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:09,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:09,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-20 03:14:10,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:10,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:10,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055411990] [2022-07-20 03:14:10,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055411990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:10,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:10,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:10,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420705034] [2022-07-20 03:14:10,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:10,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:10,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:10,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:10,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:10,036 INFO L87 Difference]: Start difference. First operand 12029 states and 16830 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 03:14:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:11,832 INFO L93 Difference]: Finished difference Result 27192 states and 38055 transitions. [2022-07-20 03:14:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:11,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-07-20 03:14:11,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:11,917 INFO L225 Difference]: With dead ends: 27192 [2022-07-20 03:14:11,917 INFO L226 Difference]: Without dead ends: 15200 [2022-07-20 03:14:11,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:11,971 INFO L413 NwaCegarLoop]: 8462 mSDtfsCounter, 3817 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 13045 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:11,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 13045 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 03:14:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15200 states. [2022-07-20 03:14:12,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15200 to 15194. [2022-07-20 03:14:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15194 states, 10258 states have (on average 1.2414700721388185) internal successors, (12735), 10401 states have internal predecessors, (12735), 4258 states have call successors, (4258), 677 states have call predecessors, (4258), 676 states have return successors, (4259), 4214 states have call predecessors, (4259), 4258 states have call successors, (4259) [2022-07-20 03:14:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15194 states to 15194 states and 21252 transitions. [2022-07-20 03:14:13,055 INFO L78 Accepts]: Start accepts. Automaton has 15194 states and 21252 transitions. Word has length 356 [2022-07-20 03:14:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:13,058 INFO L495 AbstractCegarLoop]: Abstraction has 15194 states and 21252 transitions. [2022-07-20 03:14:13,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 03:14:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15194 states and 21252 transitions. [2022-07-20 03:14:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-20 03:14:13,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:13,067 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:13,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:13,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:13,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:13,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:13,288 INFO L85 PathProgramCache]: Analyzing trace with hash -342180568, now seen corresponding path program 1 times [2022-07-20 03:14:13,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:13,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99151654] [2022-07-20 03:14:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:13,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:13,295 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) [2022-07-20 03:14:13,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:14:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:17,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:17,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-20 03:14:18,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:18,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:18,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99151654] [2022-07-20 03:14:18,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99151654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:18,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:18,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:18,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371901379] [2022-07-20 03:14:18,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:18,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:18,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:18,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:18,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:18,330 INFO L87 Difference]: Start difference. First operand 15194 states and 21252 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 03:14:20,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:20,483 INFO L93 Difference]: Finished difference Result 34965 states and 48895 transitions. [2022-07-20 03:14:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-07-20 03:14:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:20,594 INFO L225 Difference]: With dead ends: 34965 [2022-07-20 03:14:20,595 INFO L226 Difference]: Without dead ends: 19808 [2022-07-20 03:14:20,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:20,665 INFO L413 NwaCegarLoop]: 8326 mSDtfsCounter, 4215 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4215 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:20,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4215 Valid, 12571 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 03:14:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19808 states. [2022-07-20 03:14:21,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19808 to 19802. [2022-07-20 03:14:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19802 states, 13348 states have (on average 1.2399610428528618) internal successors, (16551), 13528 states have internal predecessors, (16551), 5556 states have call successors, (5556), 897 states have call predecessors, (5556), 896 states have return successors, (5557), 5504 states have call predecessors, (5557), 5556 states have call successors, (5557) [2022-07-20 03:14:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 27664 transitions. [2022-07-20 03:14:21,959 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 27664 transitions. Word has length 356 [2022-07-20 03:14:21,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:21,960 INFO L495 AbstractCegarLoop]: Abstraction has 19802 states and 27664 transitions. [2022-07-20 03:14:21,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 03:14:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 27664 transitions. [2022-07-20 03:14:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-20 03:14:21,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:21,974 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:22,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:22,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:22,184 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1417313468, now seen corresponding path program 1 times [2022-07-20 03:14:22,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:22,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113704349] [2022-07-20 03:14:22,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:22,193 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) [2022-07-20 03:14:22,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:14:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:26,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:26,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-20 03:14:27,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:27,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:27,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113704349] [2022-07-20 03:14:27,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113704349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:27,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:27,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779355056] [2022-07-20 03:14:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:27,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:27,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:27,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:27,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:27,222 INFO L87 Difference]: Start difference. First operand 19802 states and 27664 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-20 03:14:29,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:29,048 INFO L93 Difference]: Finished difference Result 42737 states and 59725 transitions. [2022-07-20 03:14:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:29,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-07-20 03:14:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:29,179 INFO L225 Difference]: With dead ends: 42737 [2022-07-20 03:14:29,179 INFO L226 Difference]: Without dead ends: 22972 [2022-07-20 03:14:29,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:29,268 INFO L413 NwaCegarLoop]: 7524 mSDtfsCounter, 3819 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 12106 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:29,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 12106 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 03:14:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22972 states. [2022-07-20 03:14:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22972 to 22966. [2022-07-20 03:14:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22966 states, 15481 states have (on average 1.2395194108907692) internal successors, (19189), 15690 states have internal predecessors, (19189), 6448 states have call successors, (6448), 1036 states have call predecessors, (6448), 1035 states have return successors, (6449), 6388 states have call predecessors, (6449), 6448 states have call successors, (6449) [2022-07-20 03:14:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22966 states to 22966 states and 32086 transitions. [2022-07-20 03:14:30,838 INFO L78 Accepts]: Start accepts. Automaton has 22966 states and 32086 transitions. Word has length 414 [2022-07-20 03:14:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:30,840 INFO L495 AbstractCegarLoop]: Abstraction has 22966 states and 32086 transitions. [2022-07-20 03:14:30,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-20 03:14:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22966 states and 32086 transitions. [2022-07-20 03:14:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-20 03:14:30,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:30,852 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:30,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:31,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:31,068 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:31,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1980260550, now seen corresponding path program 1 times [2022-07-20 03:14:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:31,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937901167] [2022-07-20 03:14:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:31,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:31,077 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) [2022-07-20 03:14:31,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:14:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:35,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:35,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-20 03:14:36,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:36,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:36,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937901167] [2022-07-20 03:14:36,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937901167] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:36,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:36,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:36,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114637443] [2022-07-20 03:14:36,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:36,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:36,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:36,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:36,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:36,332 INFO L87 Difference]: Start difference. First operand 22966 states and 32086 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-20 03:14:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:38,393 INFO L93 Difference]: Finished difference Result 49097 states and 68611 transitions. [2022-07-20 03:14:38,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:38,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-07-20 03:14:38,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:38,530 INFO L225 Difference]: With dead ends: 49097 [2022-07-20 03:14:38,530 INFO L226 Difference]: Without dead ends: 26168 [2022-07-20 03:14:38,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:38,633 INFO L413 NwaCegarLoop]: 8465 mSDtfsCounter, 3838 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 13048 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:38,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 13048 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 03:14:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26168 states. [2022-07-20 03:14:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26168 to 26162. [2022-07-20 03:14:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26162 states, 17642 states have (on average 1.239258587461739) internal successors, (21863), 17880 states have internal predecessors, (21863), 7342 states have call successors, (7342), 1177 states have call predecessors, (7342), 1176 states have return successors, (7343), 7274 states have call predecessors, (7343), 7342 states have call successors, (7343) [2022-07-20 03:14:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26162 states to 26162 states and 36548 transitions. [2022-07-20 03:14:39,977 INFO L78 Accepts]: Start accepts. Automaton has 26162 states and 36548 transitions. Word has length 414 [2022-07-20 03:14:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:39,980 INFO L495 AbstractCegarLoop]: Abstraction has 26162 states and 36548 transitions. [2022-07-20 03:14:39,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-20 03:14:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26162 states and 36548 transitions. [2022-07-20 03:14:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-20 03:14:40,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:40,003 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 03:14:40,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:40,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:40,220 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:40,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:40,220 INFO L85 PathProgramCache]: Analyzing trace with hash -544375116, now seen corresponding path program 1 times [2022-07-20 03:14:40,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:40,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231984358] [2022-07-20 03:14:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:40,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:40,228 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) [2022-07-20 03:14:40,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 03:14:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 5007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 03:14:44,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-07-20 03:14:48,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:48,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:48,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231984358] [2022-07-20 03:14:48,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231984358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:48,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:48,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 03:14:48,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777982998] [2022-07-20 03:14:48,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:48,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 03:14:48,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:48,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 03:14:48,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:14:48,131 INFO L87 Difference]: Start difference. First operand 26162 states and 36548 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43)