./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:13:37,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:13:37,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:13:37,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:13:37,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:13:37,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:13:37,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:13:37,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:13:37,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:13:37,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:13:37,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:13:37,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:13:37,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:13:37,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:13:37,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:13:37,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:13:37,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:13:37,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:13:37,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:13:37,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:13:37,965 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:13:37,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:13:37,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:13:37,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:13:37,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:13:37,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:13:37,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:13:37,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:13:37,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:13:37,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:13:37,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:13:37,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:13:37,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:13:37,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:13:37,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:13:37,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:13:37,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:13:37,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:13:37,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:13:37,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:13:37,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:13:38,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:13:38,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:13:38,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:13:38,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:13:38,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:13:38,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:13:38,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:13:38,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:13:38,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:13:38,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:13:38,048 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:13:38,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:13:38,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:13:38,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:13:38,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:13:38,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:13:38,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:13:38,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:13:38,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:13:38,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:13:38,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:13:38,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:13:38,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:13:38,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:13:38,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:13:38,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:13:38,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:13:38,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-21 15:13:38,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:13:38,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:13:38,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:13:38,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:13:38,449 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:13:38,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:13:38,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d53089a2/504cf2a9fc3844c6a64417a1ec8c21e1/FLAG0ecbf88ff [2022-07-21 15:13:39,517 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:13:39,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:13:39,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d53089a2/504cf2a9fc3844c6a64417a1ec8c21e1/FLAG0ecbf88ff [2022-07-21 15:13:39,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d53089a2/504cf2a9fc3844c6a64417a1ec8c21e1 [2022-07-21 15:13:39,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:13:39,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:13:39,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:13:39,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:13:39,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:13:39,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:13:39" (1/1) ... [2022-07-21 15:13:39,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366acebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:39, skipping insertion in model container [2022-07-21 15:13:39,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:13:39" (1/1) ... [2022-07-21 15:13:39,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:13:40,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:13:44,941 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-21 15:13:44,943 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-21 15:13:44,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:13:45,036 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:13:45,376 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 [14520] 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) [2022-07-21 15:13:45,381 INFO L158 Benchmark]: Toolchain (without parser) took 5493.64ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 48.0MB in the beginning and 45.6MB in the end (delta: 2.4MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-07-21 15:13:45,382 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 15:13:45,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5490.94ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.2MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-07-21 15:13:45,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5490.94ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.2MB). Peak memory consumption was 94.6MB. 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 [14520] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520]: 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_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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:13:47,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:13:47,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:13:47,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:13:47,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:13:47,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:13:47,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:13:47,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:13:47,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:13:47,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:13:47,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:13:47,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:13:47,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:13:47,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:13:47,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:13:47,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:13:47,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:13:47,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:13:47,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:13:47,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:13:47,249 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:13:47,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:13:47,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:13:47,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:13:47,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:13:47,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:13:47,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:13:47,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:13:47,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:13:47,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:13:47,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:13:47,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:13:47,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:13:47,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:13:47,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:13:47,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:13:47,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:13:47,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:13:47,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:13:47,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:13:47,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:13:47,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:13:47,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 15:13:47,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:13:47,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:13:47,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:13:47,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:13:47,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:13:47,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:13:47,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:13:47,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:13:47,312 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:13:47,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:13:47,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:13:47,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:13:47,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:13:47,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:13:47,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 15:13:47,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 15:13:47,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 15:13:47,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:13:47,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:13:47,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:13:47,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:13:47,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:13:47,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:13:47,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:13:47,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:13:47,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:13:47,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:13:47,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 15:13:47,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 15:13:47,317 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:13:47,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:13:47,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:13:47,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 15:13:47,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-21 15:13:47,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:13:47,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:13:47,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:13:47,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:13:47,662 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:13:47,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:13:47,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95c78762/9a04d97793cb4ec5b5d730d48ec051e3/FLAG4b0647b76 [2022-07-21 15:13:48,727 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:13:48,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:13:48,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95c78762/9a04d97793cb4ec5b5d730d48ec051e3/FLAG4b0647b76 [2022-07-21 15:13:49,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95c78762/9a04d97793cb4ec5b5d730d48ec051e3 [2022-07-21 15:13:49,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:13:49,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:13:49,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:13:49,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:13:49,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:13:49,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:13:49" (1/1) ... [2022-07-21 15:13:49,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1126605c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:49, skipping insertion in model container [2022-07-21 15:13:49,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:13:49" (1/1) ... [2022-07-21 15:13:49,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:13:49,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:13:54,537 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-21 15:13:54,540 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-21 15:13:54,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:13:54,654 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 15:13:54,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:13:55,178 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-21 15:13:55,179 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-21 15:13:55,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:13:55,232 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:13:55,705 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-21 15:13:55,705 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-21 15:13:55,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:13:56,114 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:13:56,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56 WrapperNode [2022-07-21 15:13:56,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:13:56,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:13:56,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:13:56,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:13:56,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:56,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:56,657 INFO L137 Inliner]: procedures = 588, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 11901 [2022-07-21 15:13:56,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:13:56,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:13:56,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:13:56,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:13:56,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:56,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:56,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:56,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:57,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:57,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:57,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:57,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:13:57,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:13:57,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:13:57,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:13:57,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (1/1) ... [2022-07-21 15:13:57,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:13:57,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:13:57,345 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) [2022-07-21 15:13:57,366 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 [2022-07-21 15:13:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 15:13:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 15:13:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:13:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:13:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:13:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:13:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-21 15:13:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-21 15:13:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:13:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:13:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-21 15:13:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-21 15:13:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 15:13:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 15:13:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:13:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:13:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 15:13:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 15:13:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 15:13:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 15:13:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-21 15:13:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-21 15:13:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-21 15:13:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-21 15:13:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-21 15:13:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-21 15:13:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-21 15:13:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-21 15:13:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 15:13:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 15:13:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-21 15:13:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-21 15:13:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:13:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:13:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-21 15:13:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-21 15:13:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 15:13:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 15:13:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:13:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:13:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:13:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:13:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 15:13:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 15:13:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-21 15:13:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-21 15:13:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:13:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:13:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:13:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:13:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:13:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 15:13:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 15:13:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 15:13:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 15:13:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 15:13:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-21 15:13:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-21 15:13:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:13:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:13:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-21 15:13:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-21 15:13:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:13:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:13:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-21 15:13:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-21 15:13:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-21 15:13:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-21 15:13:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:13:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:13:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-21 15:13:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-21 15:13:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:13:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:13:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-21 15:13:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-21 15:13:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-21 15:13:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-21 15:13:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:13:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:13:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-21 15:13:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-21 15:13:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:13:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:13:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 15:13:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 15:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:13:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 15:13:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 15:13:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 15:13:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 15:13:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:13:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:13:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:13:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:13:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 15:13:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 15:13:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-21 15:13:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-21 15:13:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 15:13:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 15:13:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 15:13:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 15:13:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-21 15:13:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-21 15:13:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-21 15:13:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-21 15:13:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-21 15:13:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-21 15:13:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:13:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 15:13:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 15:13:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 15:13:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 15:13:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:13:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 15:13:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 15:13:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:13:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:13:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 15:13:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 15:13:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:13:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 15:13:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 15:13:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:13:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:13:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 15:13:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-21 15:13:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-21 15:13:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-21 15:13:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-21 15:13:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 15:13:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 15:13:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 15:13:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 15:13:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-21 15:13:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-21 15:13:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 15:13:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 15:13:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-21 15:13:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-21 15:13:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 15:13:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 15:13:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-21 15:13:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-21 15:13:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-21 15:13:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-21 15:13:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 15:13:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 15:13:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:13:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:13:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:13:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:13:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-21 15:13:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-21 15:13:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-21 15:13:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-21 15:13:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-21 15:13:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-21 15:13:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 15:13:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 15:13:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 15:13:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 15:13:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 15:13:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-21 15:13:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-21 15:13:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:13:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:13:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 15:13:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 15:13:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 15:13:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 15:13:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 15:13:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:13:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:13:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 15:13:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 15:13:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 15:13:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 15:13:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-21 15:13:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-21 15:13:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 15:13:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 15:13:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-21 15:13:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-21 15:13:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 15:13:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 15:13:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:13:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:13:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 15:13:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 15:13:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-21 15:13:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-21 15:13:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-21 15:13:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-21 15:13:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 15:13:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 15:13:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 15:13:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 15:13:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 15:13:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 15:13:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 15:13:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 15:13:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:13:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 15:13:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 15:13:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 15:13:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 15:13:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:13:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 15:13:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:13:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 15:13:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 15:13:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:13:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:13:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:13:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:13:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:13:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:13:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-21 15:13:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-21 15:13:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-21 15:13:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-21 15:13:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 15:13:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 15:13:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-21 15:13:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-21 15:13:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 15:13:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 15:13:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:13:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:13:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 15:13:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 15:13:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:13:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:13:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 15:13:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 15:13:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 15:13:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 15:13:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 15:13:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 15:13:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:13:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:13:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-21 15:13:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-21 15:13:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 15:13:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 15:13:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 15:13:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 15:13:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:13:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:13:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-21 15:13:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-21 15:13:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:13:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:13:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-21 15:13:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-21 15:13:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 15:13:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 15:13:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 15:13:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 15:13:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-21 15:13:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-21 15:13:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-21 15:13:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-21 15:13:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 15:13:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 15:13:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-21 15:13:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-21 15:13:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-21 15:13:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-21 15:13:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-21 15:13:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-21 15:13:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-21 15:13:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-21 15:13:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-21 15:13:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-21 15:13:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:13:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:13:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 15:13:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 15:13:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 15:13:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 15:13:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 15:13:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 15:13:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:13:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:13:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 15:13:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-21 15:13:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-21 15:13:58,669 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:13:58,676 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:13:59,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:16:30,116 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:16:30,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:16:30,139 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 15:16:30,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:16:30 BoogieIcfgContainer [2022-07-21 15:16:30,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:16:30,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:16:30,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:16:30,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:16:30,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:13:49" (1/3) ... [2022-07-21 15:16:30,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2506f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:16:30, skipping insertion in model container [2022-07-21 15:16:30,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:13:56" (2/3) ... [2022-07-21 15:16:30,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2506f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:16:30, skipping insertion in model container [2022-07-21 15:16:30,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:16:30" (3/3) ... [2022-07-21 15:16:30,153 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:16:30,166 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:16:30,166 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 15:16:30,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:16:30,265 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@4c51fae2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b09d040 [2022-07-21 15:16:30,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 15:16:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-07-21 15:16:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-21 15:16:30,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:16:30,304 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:16:30,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:16:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:16:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1574577654, now seen corresponding path program 1 times [2022-07-21 15:16:30,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:16:30,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808330396] [2022-07-21 15:16:30,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:16:30,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:16:30,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:16:30,391 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) [2022-07-21 15:16:30,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 15:16:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:34,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-21 15:16:34,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:16:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-21 15:16:39,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:16:39,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:16:39,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808330396] [2022-07-21 15:16:39,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808330396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:16:39,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:16:39,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:16:39,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806585086] [2022-07-21 15:16:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:16:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:16:39,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:16:39,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:16:39,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:16:39,714 INFO L87 Difference]: Start difference. First operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-21 15:16:48,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:16:48,946 INFO L93 Difference]: Finished difference Result 6178 states and 8817 transitions. [2022-07-21 15:16:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 15:16:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 163 [2022-07-21 15:16:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:16:48,997 INFO L225 Difference]: With dead ends: 6178 [2022-07-21 15:16:48,997 INFO L226 Difference]: Without dead ends: 3021 [2022-07-21 15:16:49,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-07-21 15:16:49,037 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 932 mSDsluCounter, 37619 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 41944 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:16:49,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 41944 Invalid, 453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-21 15:16:49,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-21 15:16:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 3019. [2022-07-21 15:16:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2024 states have (on average 1.240612648221344) internal successors, (2511), 2064 states have internal predecessors, (2511), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-21 15:16:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2022-07-21 15:16:49,338 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2022-07-21 15:16:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:16:49,340 INFO L495 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2022-07-21 15:16:49,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-21 15:16:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2022-07-21 15:16:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-21 15:16:49,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:16:49,357 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:16:49,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:16:49,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:16:49,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:16:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:16:49,572 INFO L85 PathProgramCache]: Analyzing trace with hash -946400979, now seen corresponding path program 1 times [2022-07-21 15:16:49,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:16:49,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508475866] [2022-07-21 15:16:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:16:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:16:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:16:49,581 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) [2022-07-21 15:16:49,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 15:16:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:54,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:16:54,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:16:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-21 15:16:56,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:16:56,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:16:56,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508475866] [2022-07-21 15:16:56,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508475866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:16:56,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:16:56,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 15:16:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089415674] [2022-07-21 15:16:56,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:16:56,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 15:16:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:16:56,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 15:16:56,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:16:56,575 INFO L87 Difference]: Start difference. First operand 3019 states and 4233 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-21 15:17:08,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:17:08,278 INFO L93 Difference]: Finished difference Result 7763 states and 11052 transitions. [2022-07-21 15:17:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 15:17:08,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 167 [2022-07-21 15:17:08,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:17:08,324 INFO L225 Difference]: With dead ends: 7763 [2022-07-21 15:17:08,324 INFO L226 Difference]: Without dead ends: 4760 [2022-07-21 15:17:08,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-07-21 15:17:08,349 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 2465 mSDsluCounter, 53843 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 59578 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:17:08,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 59578 Invalid, 1268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [753 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-21 15:17:08,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2022-07-21 15:17:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 3027. [2022-07-21 15:17:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 2030 states have (on average 1.2399014778325124) internal successors, (2517), 2070 states have internal predecessors, (2517), 863 states have call successors, (863), 132 states have call predecessors, (863), 132 states have return successors, (863), 850 states have call predecessors, (863), 863 states have call successors, (863) [2022-07-21 15:17:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4243 transitions. [2022-07-21 15:17:08,666 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4243 transitions. Word has length 167 [2022-07-21 15:17:08,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:17:08,668 INFO L495 AbstractCegarLoop]: Abstraction has 3027 states and 4243 transitions. [2022-07-21 15:17:08,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-21 15:17:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4243 transitions. [2022-07-21 15:17:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-21 15:17:08,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:17:08,674 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:17:08,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:17:08,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:17:08,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:17:08,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:17:08,888 INFO L85 PathProgramCache]: Analyzing trace with hash -412601518, now seen corresponding path program 1 times [2022-07-21 15:17:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:17:08,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996523541] [2022-07-21 15:17:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:17:08,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:17:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:17:08,893 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) [2022-07-21 15:17:08,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 15:17:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:13,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 15:17:13,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:17:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-07-21 15:17:14,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:17:14,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:17:14,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996523541] [2022-07-21 15:17:14,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996523541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:17:14,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:17:14,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:17:14,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89616967] [2022-07-21 15:17:14,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:17:14,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:17:14,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:17:14,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:17:14,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:17:14,200 INFO L87 Difference]: Start difference. First operand 3027 states and 4243 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 15:17:16,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:17:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:17:17,198 INFO L93 Difference]: Finished difference Result 6143 states and 8623 transitions. [2022-07-21 15:17:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:17:17,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2022-07-21 15:17:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:17:17,226 INFO L225 Difference]: With dead ends: 6143 [2022-07-21 15:17:17,226 INFO L226 Difference]: Without dead ends: 3133 [2022-07-21 15:17:17,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:17:17,248 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 98 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 21247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:17:17,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 21247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 15:17:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-07-21 15:17:17,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3032. [2022-07-21 15:17:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-21 15:17:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-21 15:17:17,421 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 184 [2022-07-21 15:17:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:17:17,422 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-21 15:17:17,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 15:17:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-21 15:17:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-21 15:17:17,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:17:17,427 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:17:17,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:17:17,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:17:17,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:17:17,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:17:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1357205182, now seen corresponding path program 1 times [2022-07-21 15:17:17,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:17:17,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017635274] [2022-07-21 15:17:17,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:17:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:17:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:17:17,652 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) [2022-07-21 15:17:17,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 15:17:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:22,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:17:22,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:17:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-21 15:17:25,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:17:25,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:17:25,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017635274] [2022-07-21 15:17:25,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017635274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:17:25,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:17:25,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:17:25,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836955408] [2022-07-21 15:17:25,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:17:25,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:17:25,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:17:25,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:17:25,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:17:25,228 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-21 15:17:34,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:17:37,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:17:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:17:42,631 INFO L93 Difference]: Finished difference Result 7797 states and 11096 transitions. [2022-07-21 15:17:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 15:17:42,632 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 187 [2022-07-21 15:17:42,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted.