./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:45:10,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:45:10,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:45:10,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:45:10,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:45:10,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:45:10,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:45:10,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:45:10,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:45:10,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:45:10,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:45:10,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:45:10,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:45:10,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:45:10,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:45:10,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:45:10,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:45:10,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:45:10,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:45:10,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:45:10,991 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:45:10,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:45:10,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:45:10,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:45:10,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:45:10,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:45:10,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:45:10,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:45:11,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:45:11,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:45:11,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:45:11,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:45:11,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:45:11,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:45:11,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:45:11,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:45:11,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:45:11,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:45:11,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:45:11,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:45:11,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:45:11,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:45:11,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:45:11,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:45:11,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:45:11,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:45:11,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:45:11,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:45:11,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:45:11,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:45:11,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:45:11,041 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:45:11,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:45:11,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:45:11,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:45:11,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:45:11,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:45:11,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:45:11,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:45:11,043 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:45:11,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:45:11,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:45:11,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:45:11,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:45:11,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:45:11,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:45:11,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:45:11,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:45:11,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:45:11,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:45:11,046 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:45:11,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:45:11,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:45:11,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-07-20 01:45:11,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:45:11,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:45:11,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:45:11,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:45:11,270 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:45:11,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 01:45:11,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9a47ee0/96146aae45674be8acf1a451c1ae6fd3/FLAG7117bfba6 [2022-07-20 01:45:12,009 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:45:12,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 01:45:12,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9a47ee0/96146aae45674be8acf1a451c1ae6fd3/FLAG7117bfba6 [2022-07-20 01:45:12,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9a47ee0/96146aae45674be8acf1a451c1ae6fd3 [2022-07-20 01:45:12,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:45:12,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:45:12,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:45:12,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:45:12,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:45:12,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:45:12" (1/1) ... [2022-07-20 01:45:12,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391dd8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:12, skipping insertion in model container [2022-07-20 01:45:12,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:45:12" (1/1) ... [2022-07-20 01:45:12,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:45:12,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:45:16,184 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-07-20 01:45:16,186 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-07-20 01:45:16,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:45:16,241 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:45:16,345 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: data = data & 4294959087U [8048] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:45:16,353 INFO L158 Benchmark]: Toolchain (without parser) took 4236.08ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 106.7MB in the beginning and 88.6MB in the end (delta: 18.1MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2022-07-20 01:45:16,353 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:45:16,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4234.70ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 106.7MB in the beginning and 88.6MB in the end (delta: 18.1MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2022-07-20 01:45:16,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4234.70ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 106.7MB in the beginning and 88.6MB in the end (delta: 18.1MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8048] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8048]: 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:45:17,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:45:17,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:45:17,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:45:17,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:45:17,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:45:17,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:45:17,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:45:17,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:45:17,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:45:17,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:45:17,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:45:17,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:45:17,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:45:17,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:45:17,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:45:17,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:45:17,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:45:17,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:45:17,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:45:17,930 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:45:17,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:45:17,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:45:17,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:45:17,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:45:17,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:45:17,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:45:17,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:45:17,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:45:17,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:45:17,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:45:17,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:45:17,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:45:17,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:45:17,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:45:17,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:45:17,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:45:17,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:45:17,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:45:17,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:45:17,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:45:17,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:45:17,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:45:17,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:45:17,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:45:17,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:45:17,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:45:17,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:45:17,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:45:17,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:45:17,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:45:17,972 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:45:17,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:45:17,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:45:17,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:45:17,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:45:17,978 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:45:17,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:45:17,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:45:17,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:45:17,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-07-20 01:45:18,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:45:18,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:45:18,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:45:18,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:45:18,250 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:45:18,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 01:45:18,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caeda29d3/1fc1941eedaa44d28cc88e84b5cf6cde/FLAG717282760 [2022-07-20 01:45:19,024 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:45:19,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 01:45:19,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caeda29d3/1fc1941eedaa44d28cc88e84b5cf6cde/FLAG717282760 [2022-07-20 01:45:19,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caeda29d3/1fc1941eedaa44d28cc88e84b5cf6cde [2022-07-20 01:45:19,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:45:19,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:45:19,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:45:19,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:45:19,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:45:19,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:45:19" (1/1) ... [2022-07-20 01:45:19,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3587fce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:19, skipping insertion in model container [2022-07-20 01:45:19,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:45:19" (1/1) ... [2022-07-20 01:45:19,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:45:19,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:45:23,387 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-07-20 01:45:23,390 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-07-20 01:45:23,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:45:23,468 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:45:23,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:45:23,907 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-07-20 01:45:23,908 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-07-20 01:45:23,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:45:23,985 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:45:24,359 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-07-20 01:45:24,359 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-07-20 01:45:24,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:45:24,537 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:45:24,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24 WrapperNode [2022-07-20 01:45:24,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:45:24,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:45:24,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:45:24,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:45:24,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:24,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:24,901 INFO L137 Inliner]: procedures = 711, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 10006 [2022-07-20 01:45:24,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:45:24,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:45:24,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:45:24,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:45:24,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:24,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:24,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:24,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:25,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:25,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:25,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:25,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:45:25,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:45:25,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:45:25,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:45:25,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (1/1) ... [2022-07-20 01:45:25,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:45:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:45:25,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:45:25,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:45:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:45:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:45:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 01:45:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 01:45:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-20 01:45:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-20 01:45:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 01:45:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 01:45:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-20 01:45:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-20 01:45:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:45:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:45:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:45:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:45:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-20 01:45:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-20 01:45:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:45:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:45:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-20 01:45:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-20 01:45:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:45:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:45:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:45:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:45:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:45:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:45:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-20 01:45:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-20 01:45:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:45:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:45:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:45:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:45:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-20 01:45:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-20 01:45:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-20 01:45:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-20 01:45:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-20 01:45:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-20 01:45:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:45:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:45:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:45:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:45:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:45:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:45:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 01:45:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 01:45:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:45:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:45:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:45:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:45:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:45:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:45:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:45:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:45:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 01:45:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 01:45:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:45:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 01:45:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-20 01:45:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:45:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-20 01:45:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-20 01:45:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 01:45:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 01:45:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-20 01:45:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-20 01:45:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:45:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:45:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-07-20 01:45:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-07-20 01:45:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-20 01:45:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-20 01:45:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-20 01:45:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-20 01:45:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-20 01:45:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-20 01:45:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-20 01:45:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-20 01:45:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:45:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:45:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:45:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:45:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-20 01:45:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-20 01:45:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:45:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:45:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:45:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:45:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:45:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:45:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 01:45:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 01:45:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:45:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:45:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 01:45:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 01:45:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 01:45:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 01:45:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 01:45:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 01:45:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:45:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:45:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:45:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:45:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:45:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:45:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-20 01:45:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-20 01:45:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:45:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:45:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:45:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:45:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:45:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 01:45:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 01:45:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 01:45:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 01:45:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:45:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 01:45:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 01:45:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:45:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:45:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-20 01:45:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 01:45:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:45:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 01:45:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 01:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:45:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:45:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:45:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:45:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-20 01:45:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-20 01:45:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:45:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-20 01:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-20 01:45:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-20 01:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-20 01:45:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 01:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 01:45:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 01:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 01:45:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:45:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:45:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-20 01:45:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-20 01:45:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 01:45:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 01:45:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-20 01:45:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-20 01:45:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-20 01:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-20 01:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-20 01:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-20 01:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-20 01:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-20 01:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-20 01:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-20 01:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:45:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:45:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:45:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:45:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-20 01:45:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-20 01:45:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-20 01:45:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-20 01:45:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-20 01:45:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-20 01:45:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-20 01:45:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-20 01:45:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:45:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:45:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 01:45:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 01:45:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 01:45:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:45:25,403 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:45:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:45:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:45:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:45:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:45:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-20 01:45:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-20 01:45:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 01:45:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 01:45:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 01:45:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 01:45:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-20 01:45:25,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-20 01:45:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-20 01:45:25,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-20 01:45:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:45:25,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:45:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 01:45:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 01:45:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 01:45:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 01:45:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-20 01:45:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-20 01:45:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-20 01:45:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-20 01:45:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:45:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:45:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:45:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:45:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-20 01:45:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-20 01:45:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 01:45:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 01:45:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-20 01:45:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-20 01:45:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 01:45:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 01:45:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:45:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:45:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:45:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 01:45:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 01:45:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-20 01:45:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-20 01:45:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2022-07-20 01:45:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2022-07-20 01:45:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-20 01:45:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-20 01:45:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:45:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:45:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:45:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-20 01:45:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-20 01:45:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 01:45:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 01:45:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-20 01:45:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-07-20 01:45:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:45:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 01:45:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 01:45:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-20 01:45:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-20 01:45:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 01:45:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 01:45:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 01:45:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 01:45:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-20 01:45:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-20 01:45:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:45:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:45:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:45:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:45:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:45:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:45:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-20 01:45:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-20 01:45:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 01:45:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 01:45:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-20 01:45:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-20 01:45:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-20 01:45:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-20 01:45:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-20 01:45:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-20 01:45:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 01:45:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 01:45:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:45:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:45:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-20 01:45:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-20 01:45:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 01:45:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 01:45:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 01:45:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 01:45:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:45:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:45:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-20 01:45:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-20 01:45:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:45:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:45:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-20 01:45:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-20 01:45:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-20 01:45:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-20 01:45:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 01:45:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 01:45:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:45:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:45:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-20 01:45:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-20 01:45:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-20 01:45:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-20 01:45:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:45:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:45:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:45:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 01:45:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 01:45:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-20 01:45:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-20 01:45:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 01:45:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 01:45:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-20 01:45:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-20 01:45:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-20 01:45:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-20 01:45:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-20 01:45:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-20 01:45:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-20 01:45:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-20 01:45:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:45:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:45:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 01:45:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 01:45:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-20 01:45:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-20 01:45:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-20 01:45:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-20 01:45:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 01:45:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 01:45:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 01:45:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 01:45:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:45:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:45:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-20 01:45:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-20 01:45:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:45:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:45:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2022-07-20 01:45:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2022-07-20 01:45:26,471 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:45:26,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:45:26,756 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:46:21,475 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:46:21,662 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:46:21,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:46:21,686 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:46:21,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:46:21 BoogieIcfgContainer [2022-07-20 01:46:21,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:46:21,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:46:21,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:46:21,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:46:21,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:45:19" (1/3) ... [2022-07-20 01:46:21,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bafaccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:46:21, skipping insertion in model container [2022-07-20 01:46:21,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:45:24" (2/3) ... [2022-07-20 01:46:21,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bafaccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:46:21, skipping insertion in model container [2022-07-20 01:46:21,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:46:21" (3/3) ... [2022-07-20 01:46:21,698 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 01:46:21,709 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:46:21,709 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:46:21,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:46:21,811 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@461de77d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1dd63e7d [2022-07-20 01:46:21,812 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:46:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-07-20 01:46:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 01:46:21,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:21,873 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:21,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:21,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash -642178380, now seen corresponding path program 1 times [2022-07-20 01:46:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:21,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585885782] [2022-07-20 01:46:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:21,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:21,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:21,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:21,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:46:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:24,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:24,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:24,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:24,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:24,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585885782] [2022-07-20 01:46:24,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585885782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:24,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:24,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161373643] [2022-07-20 01:46:24,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:24,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:24,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:24,495 INFO L87 Difference]: Start difference. First operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:46:25,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:25,609 INFO L93 Difference]: Finished difference Result 11668 states and 16734 transitions. [2022-07-20 01:46:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:25,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-07-20 01:46:25,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:25,683 INFO L225 Difference]: With dead ends: 11668 [2022-07-20 01:46:25,683 INFO L226 Difference]: Without dead ends: 7552 [2022-07-20 01:46:25,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:25,724 INFO L413 NwaCegarLoop]: 6768 mSDtfsCounter, 5033 mSDsluCounter, 5696 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5033 SdHoareTripleChecker+Valid, 12464 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:25,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5033 Valid, 12464 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 01:46:25,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2022-07-20 01:46:26,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7549. [2022-07-20 01:46:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7549 states, 5164 states have (on average 1.261425251742835) internal successors, (6514), 5230 states have internal predecessors, (6514), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2022-07-20 01:46:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7549 states to 7549 states and 10654 transitions. [2022-07-20 01:46:26,207 INFO L78 Accepts]: Start accepts. Automaton has 7549 states and 10654 transitions. Word has length 242 [2022-07-20 01:46:26,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:26,210 INFO L495 AbstractCegarLoop]: Abstraction has 7549 states and 10654 transitions. [2022-07-20 01:46:26,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:46:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7549 states and 10654 transitions. [2022-07-20 01:46:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 01:46:26,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:26,224 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:26,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:26,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:26,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:26,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:26,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1557462479, now seen corresponding path program 1 times [2022-07-20 01:46:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:26,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975789899] [2022-07-20 01:46:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:26,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:26,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:26,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:46:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:28,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:28,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:28,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:28,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:28,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975789899] [2022-07-20 01:46:28,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975789899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:28,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:28,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:28,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375937727] [2022-07-20 01:46:28,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:28,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:28,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:28,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:28,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:28,877 INFO L87 Difference]: Start difference. First operand 7549 states and 10654 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:46:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:30,371 INFO L93 Difference]: Finished difference Result 22081 states and 31174 transitions. [2022-07-20 01:46:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 243 [2022-07-20 01:46:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:30,454 INFO L225 Difference]: With dead ends: 22081 [2022-07-20 01:46:30,455 INFO L226 Difference]: Without dead ends: 14571 [2022-07-20 01:46:30,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:30,502 INFO L413 NwaCegarLoop]: 7865 mSDtfsCounter, 5296 mSDsluCounter, 5595 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5296 SdHoareTripleChecker+Valid, 13460 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:30,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5296 Valid, 13460 Invalid, 149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 01:46:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14571 states. [2022-07-20 01:46:31,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14571 to 14565. [2022-07-20 01:46:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14565 states, 9954 states have (on average 1.258288125376733) internal successors, (12525), 10073 states have internal predecessors, (12525), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2022-07-20 01:46:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14565 states to 14565 states and 20513 transitions. [2022-07-20 01:46:31,196 INFO L78 Accepts]: Start accepts. Automaton has 14565 states and 20513 transitions. Word has length 243 [2022-07-20 01:46:31,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:31,197 INFO L495 AbstractCegarLoop]: Abstraction has 14565 states and 20513 transitions. [2022-07-20 01:46:31,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:46:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 14565 states and 20513 transitions. [2022-07-20 01:46:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 01:46:31,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:31,206 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:31,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:31,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:31,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1942523070, now seen corresponding path program 1 times [2022-07-20 01:46:31,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:31,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613874952] [2022-07-20 01:46:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:31,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:31,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:31,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:31,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:46:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:33,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:33,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-07-20 01:46:33,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:33,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:33,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613874952] [2022-07-20 01:46:33,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613874952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:33,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:33,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:33,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214659282] [2022-07-20 01:46:33,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:33,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:33,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:33,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:33,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:33,718 INFO L87 Difference]: Start difference. First operand 14565 states and 20513 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:46:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:35,149 INFO L93 Difference]: Finished difference Result 39489 states and 55480 transitions. [2022-07-20 01:46:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:35,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 262 [2022-07-20 01:46:35,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:35,295 INFO L225 Difference]: With dead ends: 39489 [2022-07-20 01:46:35,295 INFO L226 Difference]: Without dead ends: 24963 [2022-07-20 01:46:35,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:35,372 INFO L413 NwaCegarLoop]: 6504 mSDtfsCounter, 4180 mSDsluCounter, 5575 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:35,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4180 Valid, 12079 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 01:46:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24963 states. [2022-07-20 01:46:36,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24963 to 24956. [2022-07-20 01:46:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24956 states, 17023 states have (on average 1.2576514127944545) internal successors, (21409), 17231 states have internal predecessors, (21409), 6793 states have call successors, (6793), 1142 states have call predecessors, (6793), 1139 states have return successors, (6795), 6738 states have call predecessors, (6795), 6793 states have call successors, (6795) [2022-07-20 01:46:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24956 states to 24956 states and 34997 transitions. [2022-07-20 01:46:36,449 INFO L78 Accepts]: Start accepts. Automaton has 24956 states and 34997 transitions. Word has length 262 [2022-07-20 01:46:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:36,450 INFO L495 AbstractCegarLoop]: Abstraction has 24956 states and 34997 transitions. [2022-07-20 01:46:36,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:46:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24956 states and 34997 transitions. [2022-07-20 01:46:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-20 01:46:36,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:36,458 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:36,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:36,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:36,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1922111819, now seen corresponding path program 1 times [2022-07-20 01:46:36,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:36,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696087584] [2022-07-20 01:46:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:36,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:36,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:36,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:36,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:46:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:38,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:38,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 01:46:39,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:39,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:39,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696087584] [2022-07-20 01:46:39,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696087584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:39,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:39,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:39,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765361768] [2022-07-20 01:46:39,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:39,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:39,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:39,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:39,098 INFO L87 Difference]: Start difference. First operand 24956 states and 34997 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:46:40,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:40,546 INFO L93 Difference]: Finished difference Result 72118 states and 101071 transitions. [2022-07-20 01:46:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:40,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 268 [2022-07-20 01:46:40,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:40,778 INFO L225 Difference]: With dead ends: 72118 [2022-07-20 01:46:40,779 INFO L226 Difference]: Without dead ends: 47201 [2022-07-20 01:46:40,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:40,877 INFO L413 NwaCegarLoop]: 8690 mSDtfsCounter, 5516 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5516 SdHoareTripleChecker+Valid, 14334 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:40,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5516 Valid, 14334 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 01:46:40,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47201 states. [2022-07-20 01:46:42,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47201 to 47183. [2022-07-20 01:46:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47183 states, 32243 states have (on average 1.256055577954905) internal successors, (40499), 32652 states have internal predecessors, (40499), 12765 states have call successors, (12765), 2180 states have call predecessors, (12765), 2174 states have return successors, (12769), 12648 states have call predecessors, (12769), 12765 states have call successors, (12769) [2022-07-20 01:46:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47183 states to 47183 states and 66033 transitions. [2022-07-20 01:46:42,844 INFO L78 Accepts]: Start accepts. Automaton has 47183 states and 66033 transitions. Word has length 268 [2022-07-20 01:46:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:42,845 INFO L495 AbstractCegarLoop]: Abstraction has 47183 states and 66033 transitions. [2022-07-20 01:46:42,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:46:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47183 states and 66033 transitions. [2022-07-20 01:46:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-20 01:46:42,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:42,855 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:42,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:43,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:43,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:43,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:43,080 INFO L85 PathProgramCache]: Analyzing trace with hash 917192354, now seen corresponding path program 1 times [2022-07-20 01:46:43,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408661216] [2022-07-20 01:46:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:43,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:43,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:46:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:45,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:45,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2022-07-20 01:46:45,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:45,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408661216] [2022-07-20 01:46:45,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408661216] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:45,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:45,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424423214] [2022-07-20 01:46:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:45,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:45,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:45,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:45,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:45,354 INFO L87 Difference]: Start difference. First operand 47183 states and 66033 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 01:46:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:47,031 INFO L93 Difference]: Finished difference Result 95060 states and 132867 transitions. [2022-07-20 01:46:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:47,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 290 [2022-07-20 01:46:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:47,263 INFO L225 Difference]: With dead ends: 95060 [2022-07-20 01:46:47,263 INFO L226 Difference]: Without dead ends: 47916 [2022-07-20 01:46:47,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:47,466 INFO L413 NwaCegarLoop]: 5791 mSDtfsCounter, 740 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 11424 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:47,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 11424 Invalid, 38 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:46:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47916 states. [2022-07-20 01:46:49,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47916 to 47916. [2022-07-20 01:46:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47916 states, 32771 states have (on average 1.2546458759268866) internal successors, (41116), 33183 states have internal predecessors, (41116), 12882 states have call successors, (12882), 2268 states have call predecessors, (12882), 2262 states have return successors, (12886), 12765 states have call predecessors, (12886), 12882 states have call successors, (12886) [2022-07-20 01:46:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47916 states to 47916 states and 66884 transitions. [2022-07-20 01:46:49,554 INFO L78 Accepts]: Start accepts. Automaton has 47916 states and 66884 transitions. Word has length 290 [2022-07-20 01:46:49,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:49,556 INFO L495 AbstractCegarLoop]: Abstraction has 47916 states and 66884 transitions. [2022-07-20 01:46:49,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 01:46:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 47916 states and 66884 transitions. [2022-07-20 01:46:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-20 01:46:49,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:49,566 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:49,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:49,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:49,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 970215688, now seen corresponding path program 1 times [2022-07-20 01:46:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:49,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947946297] [2022-07-20 01:46:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:49,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:49,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:49,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:49,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:46:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:46:51,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:46:51,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:46:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-20 01:46:52,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:46:52,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:46:52,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947946297] [2022-07-20 01:46:52,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947946297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:46:52,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:46:52,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:46:52,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563433153] [2022-07-20 01:46:52,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:46:52,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:46:52,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:46:52,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:46:52,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:52,602 INFO L87 Difference]: Start difference. First operand 47916 states and 66884 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 01:46:54,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:46:54,880 INFO L93 Difference]: Finished difference Result 115805 states and 161730 transitions. [2022-07-20 01:46:54,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:46:54,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2022-07-20 01:46:54,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:46:55,198 INFO L225 Difference]: With dead ends: 115805 [2022-07-20 01:46:55,198 INFO L226 Difference]: Without dead ends: 68489 [2022-07-20 01:46:55,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:46:55,401 INFO L413 NwaCegarLoop]: 8606 mSDtfsCounter, 4938 mSDsluCounter, 5618 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4938 SdHoareTripleChecker+Valid, 14224 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:46:55,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4938 Valid, 14224 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 01:46:55,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68489 states. [2022-07-20 01:46:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68489 to 68479. [2022-07-20 01:46:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68479 states, 46857 states have (on average 1.2539001643297694) internal successors, (58754), 47438 states have internal predecessors, (58754), 18362 states have call successors, (18362), 3267 states have call predecessors, (18362), 3259 states have return successors, (18368), 18192 states have call predecessors, (18368), 18362 states have call successors, (18368) [2022-07-20 01:46:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68479 states to 68479 states and 95484 transitions. [2022-07-20 01:46:58,103 INFO L78 Accepts]: Start accepts. Automaton has 68479 states and 95484 transitions. Word has length 308 [2022-07-20 01:46:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:46:58,104 INFO L495 AbstractCegarLoop]: Abstraction has 68479 states and 95484 transitions. [2022-07-20 01:46:58,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 01:46:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 68479 states and 95484 transitions. [2022-07-20 01:46:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-20 01:46:58,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:46:58,124 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:46:58,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:46:58,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:46:58,344 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:46:58,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:46:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1549142913, now seen corresponding path program 1 times [2022-07-20 01:46:58,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:46:58,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468227944] [2022-07-20 01:46:58,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:46:58,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:46:58,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:46:58,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:46:58,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:47:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:00,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 2275 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:47:00,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:47:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 01:47:00,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:47:00,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:47:00,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468227944] [2022-07-20 01:47:00,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468227944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:00,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:00,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:47:00,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556089752] [2022-07-20 01:47:00,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:00,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:47:00,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:47:00,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:47:00,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:47:00,857 INFO L87 Difference]: Start difference. First operand 68479 states and 95484 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:47:03,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:03,938 INFO L93 Difference]: Finished difference Result 202965 states and 283286 transitions. [2022-07-20 01:47:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:47:03,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2022-07-20 01:47:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:04,507 INFO L225 Difference]: With dead ends: 202965 [2022-07-20 01:47:04,508 INFO L226 Difference]: Without dead ends: 135086 [2022-07-20 01:47:04,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:47:04,891 INFO L413 NwaCegarLoop]: 9525 mSDtfsCounter, 5557 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5557 SdHoareTripleChecker+Valid, 15184 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:04,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5557 Valid, 15184 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:47:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135086 states. [2022-07-20 01:47:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135086 to 135084. [2022-07-20 01:47:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135084 states, 92415 states have (on average 1.2541686955580804) internal successors, (115904), 93534 states have internal predecessors, (115904), 36266 states have call successors, (36266), 6418 states have call predecessors, (36266), 6402 states have return successors, (36278), 35966 states have call predecessors, (36278), 36266 states have call successors, (36278) [2022-07-20 01:47:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135084 states to 135084 states and 188448 transitions. [2022-07-20 01:47:10,254 INFO L78 Accepts]: Start accepts. Automaton has 135084 states and 188448 transitions. Word has length 348 [2022-07-20 01:47:10,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:10,255 INFO L495 AbstractCegarLoop]: Abstraction has 135084 states and 188448 transitions. [2022-07-20 01:47:10,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:47:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 135084 states and 188448 transitions. [2022-07-20 01:47:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-20 01:47:10,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:10,279 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:10,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-20 01:47:10,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:47:10,508 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash -848327617, now seen corresponding path program 1 times [2022-07-20 01:47:10,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:47:10,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236596918] [2022-07-20 01:47:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:47:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:47:10,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:47:10,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:47:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:12,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 2275 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:47:12,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:47:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 01:47:13,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:47:13,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:47:13,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236596918] [2022-07-20 01:47:13,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236596918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:13,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:13,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:47:13,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545635084] [2022-07-20 01:47:13,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:13,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:47:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:47:13,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:47:13,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:47:13,117 INFO L87 Difference]: Start difference. First operand 135084 states and 188448 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:47:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:18,217 INFO L93 Difference]: Finished difference Result 336199 states and 469238 transitions. [2022-07-20 01:47:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:47:18,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2022-07-20 01:47:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:19,685 INFO L225 Difference]: With dead ends: 336199 [2022-07-20 01:47:19,685 INFO L226 Difference]: Without dead ends: 200936 [2022-07-20 01:47:20,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:47:20,102 INFO L413 NwaCegarLoop]: 11152 mSDtfsCounter, 5552 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 16816 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:20,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 16816 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:47:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200936 states. [2022-07-20 01:47:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200936 to 200934. [2022-07-20 01:47:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200934 states, 137371 states have (on average 1.2545078655611446) internal successors, (172333), 139025 states have internal predecessors, (172333), 54063 states have call successors, (54063), 9523 states have call predecessors, (54063), 9499 states have return successors, (54081), 53633 states have call predecessors, (54081), 54063 states have call successors, (54081) [2022-07-20 01:47:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200934 states to 200934 states and 280477 transitions. [2022-07-20 01:47:28,695 INFO L78 Accepts]: Start accepts. Automaton has 200934 states and 280477 transitions. Word has length 348 [2022-07-20 01:47:28,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:28,696 INFO L495 AbstractCegarLoop]: Abstraction has 200934 states and 280477 transitions. [2022-07-20 01:47:28,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:47:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 200934 states and 280477 transitions. [2022-07-20 01:47:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-20 01:47:28,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:28,722 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:28,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:47:28,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:47:28,932 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash 638767542, now seen corresponding path program 1 times [2022-07-20 01:47:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:47:28,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328194954] [2022-07-20 01:47:28,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:28,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:47:28,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:47:28,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:47:28,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 01:47:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:31,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:47:31,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:47:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2022-07-20 01:47:31,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:47:31,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:47:31,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328194954] [2022-07-20 01:47:31,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328194954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:31,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:31,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:47:31,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322191399] [2022-07-20 01:47:31,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:31,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:47:31,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:47:31,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:47:31,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:47:31,460 INFO L87 Difference]: Start difference. First operand 200934 states and 280477 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36)