./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:50:16,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:50:16,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:50:16,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:50:16,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:50:16,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:50:16,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:50:16,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:50:16,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:50:16,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:50:16,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:50:16,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:50:16,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:50:16,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:50:16,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:50:16,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:50:16,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:50:16,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:50:16,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:50:16,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:50:16,645 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:50:16,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:50:16,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:50:16,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:50:16,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:50:16,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:50:16,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:50:16,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:50:16,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:50:16,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:50:16,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:50:16,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:50:16,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:50:16,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:50:16,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:50:16,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:50:16,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:50:16,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:50:16,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:50:16,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:50:16,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:50:16,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:50:16,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:50:16,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:50:16,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:50:16,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:50:16,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:50:16,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:50:16,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:50:16,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:50:16,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:50:16,672 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:50:16,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:50:16,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:50:16,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:50:16,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:50:16,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:50:16,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:50:16,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:50:16,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:50:16,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:50:16,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:50:16,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:50:16,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:50:16,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:50:16,675 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:50:16,675 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:50:16,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:50:16,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-14 03:50:16,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:50:16,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:50:16,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:50:16,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:50:16,877 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:50:16,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 03:50:16,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abeee0636/58e44669c59b4863a703d2735f3452e1/FLAGaf16f7908 [2022-07-14 03:50:17,636 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:50:17,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 03:50:17,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abeee0636/58e44669c59b4863a703d2735f3452e1/FLAGaf16f7908 [2022-07-14 03:50:17,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abeee0636/58e44669c59b4863a703d2735f3452e1 [2022-07-14 03:50:17,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:50:17,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:50:17,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:50:17,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:50:17,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:50:17,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:50:17" (1/1) ... [2022-07-14 03:50:17,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f4297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:17, skipping insertion in model container [2022-07-14 03:50:17,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:50:17" (1/1) ... [2022-07-14 03:50:17,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:50:18,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:50:21,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-14 03:50:21,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-14 03:50:21,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:50:21,508 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:50:21,749 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14676] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 03:50:21,754 INFO L158 Benchmark]: Toolchain (without parser) took 3795.01ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 80.0MB in the beginning and 126.4MB in the end (delta: -46.4MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2022-07-14 03:50:21,755 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:50:21,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3793.57ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 80.0MB in the beginning and 126.4MB in the end (delta: -46.4MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2022-07-14 03:50:21,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3793.57ms. Allocated memory was 113.2MB in the beginning and 234.9MB in the end (delta: 121.6MB). Free memory was 80.0MB in the beginning and 126.4MB in the end (delta: -46.4MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14676] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14676]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:50:23,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:50:23,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:50:23,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:50:23,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:50:23,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:50:23,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:50:23,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:50:23,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:50:23,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:50:23,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:50:23,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:50:23,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:50:23,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:50:23,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:50:23,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:50:23,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:50:23,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:50:23,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:50:23,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:50:23,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:50:23,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:50:23,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:50:23,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:50:23,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:50:23,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:50:23,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:50:23,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:50:23,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:50:23,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:50:23,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:50:23,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:50:23,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:50:23,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:50:23,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:50:23,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:50:23,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:50:23,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:50:23,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:50:23,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:50:23,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:50:23,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:50:23,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:50:23,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:50:23,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:50:23,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:50:23,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:50:23,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:50:23,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:50:23,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:50:23,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:50:23,375 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:50:23,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:50:23,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:50:23,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:50:23,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:50:23,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:50:23,378 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-14 03:50:23,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:50:23,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:50:23,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:50:23,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:50:23,656 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:50:23,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 03:50:23,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d765a85/a1a007a6a47c49d39abc5bf48b43dcf7/FLAG306c44a19 [2022-07-14 03:50:24,465 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:50:24,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 03:50:24,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d765a85/a1a007a6a47c49d39abc5bf48b43dcf7/FLAG306c44a19 [2022-07-14 03:50:24,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d765a85/a1a007a6a47c49d39abc5bf48b43dcf7 [2022-07-14 03:50:24,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:50:24,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:50:24,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:50:24,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:50:24,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:50:24,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:50:24" (1/1) ... [2022-07-14 03:50:24,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f5e88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:24, skipping insertion in model container [2022-07-14 03:50:24,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:50:24" (1/1) ... [2022-07-14 03:50:24,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:50:25,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:50:28,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-14 03:50:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-14 03:50:28,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:50:28,661 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:50:28,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:50:29,186 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-14 03:50:29,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-14 03:50:29,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:50:29,221 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:50:29,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-07-14 03:50:29,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-07-14 03:50:29,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:50:29,762 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:50:29,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29 WrapperNode [2022-07-14 03:50:29,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:50:29,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:50:29,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:50:29,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:50:29,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:29,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,135 INFO L137 Inliner]: procedures = 600, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 11868 [2022-07-14 03:50:30,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:50:30,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:50:30,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:50:30,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:50:30,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:50:30,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:50:30,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:50:30,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:50:30,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (1/1) ... [2022-07-14 03:50:30,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:50:30,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:50:30,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:50:30,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:50:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:50:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:50:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:50:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:50:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:50:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:50:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-14 03:50:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-14 03:50:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:50:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:50:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-14 03:50:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-14 03:50:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 03:50:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 03:50:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:50:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:50:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 03:50:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 03:50:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:50:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:50:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-14 03:50:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-14 03:50:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-14 03:50:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-14 03:50:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-14 03:50:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-14 03:50:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-14 03:50:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-14 03:50:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 03:50:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 03:50:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-14 03:50:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-14 03:50:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:50:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:50:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-14 03:50:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-14 03:50:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:50:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:50:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:50:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:50:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:50:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:50:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 03:50:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 03:50:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-14 03:50:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-14 03:50:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:50:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:50:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:50:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:50:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:50:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 03:50:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 03:50:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:50:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:50:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:50:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-14 03:50:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-14 03:50:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:50:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:50:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-14 03:50:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-14 03:50:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:50:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:50:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-14 03:50:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-14 03:50:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-14 03:50:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-14 03:50:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:50:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:50:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-14 03:50:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-14 03:50:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:50:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:50:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-14 03:50:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-14 03:50:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-14 03:50:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-14 03:50:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:50:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:50:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-14 03:50:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-14 03:50:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:50:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:50:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 03:50:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 03:50:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:50:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:50:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:50:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:50:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 03:50:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 03:50:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:50:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:50:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:50:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:50:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:50:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:50:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-14 03:50:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-14 03:50:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 03:50:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 03:50:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:50:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:50:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-14 03:50:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-14 03:50:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-14 03:50:30,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-14 03:50:30,681 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-14 03:50:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-14 03:50:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:50:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:50:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:50:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:50:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:50:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 03:50:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 03:50:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 03:50:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 03:50:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:50:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 03:50:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 03:50:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:50:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:50:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:50:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:50:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-14 03:50:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-14 03:50:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-14 03:50:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-14 03:50:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:50:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:50:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:50:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:50:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-14 03:50:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-14 03:50:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 03:50:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 03:50:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-14 03:50:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-14 03:50:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 03:50:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 03:50:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-14 03:50:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-14 03:50:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-14 03:50:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-14 03:50:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 03:50:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 03:50:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:50:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:50:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:50:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:50:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-14 03:50:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-14 03:50:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-14 03:50:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-14 03:50:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-14 03:50:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-14 03:50:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 03:50:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 03:50:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:50:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:50:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:50:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-14 03:50:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-14 03:50:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:50:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 03:50:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:50:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:50:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:50:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:50:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:50:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:50:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:50:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 03:50:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 03:50:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-14 03:50:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-14 03:50:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:50:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:50:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-14 03:50:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-14 03:50:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 03:50:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 03:50:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:50:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:50:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:50:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:50:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-14 03:50:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-14 03:50:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-14 03:50:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-14 03:50:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 03:50:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 03:50:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 03:50:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 03:50:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:50:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:50:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 03:50:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 03:50:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:50:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:50:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 03:50:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:50:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:50:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:50:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:50:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:50:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:50:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:50:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-14 03:50:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-14 03:50:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-14 03:50:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-14 03:50:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 03:50:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 03:50:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-14 03:50:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-14 03:50:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:50:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:50:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:50:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 03:50:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:50:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:50:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 03:50:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 03:50:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 03:50:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:50:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-14 03:50:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:50:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:50:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-14 03:50:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:50:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-14 03:50:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:50:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 03:50:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-14 03:50:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-14 03:50:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 03:50:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 03:50:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 03:50:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 03:50:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-14 03:50:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-14 03:50:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-14 03:50:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-14 03:50:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-14 03:50:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:50:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:50:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:50:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:50:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 03:50:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 03:50:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 03:50:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 03:50:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:50:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:50:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 03:50:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-14 03:50:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-14 03:50:31,730 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:50:31,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:50:32,545 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:52:37,107 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:52:39,680 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:52:39,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:52:39,700 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:52:39,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:52:39 BoogieIcfgContainer [2022-07-14 03:52:39,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:52:39,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:52:39,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:52:39,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:52:39,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:50:24" (1/3) ... [2022-07-14 03:52:39,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423db77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:52:39, skipping insertion in model container [2022-07-14 03:52:39,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:50:29" (2/3) ... [2022-07-14 03:52:39,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423db77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:52:39, skipping insertion in model container [2022-07-14 03:52:39,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:52:39" (3/3) ... [2022-07-14 03:52:39,711 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 03:52:39,724 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:52:39,724 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:52:39,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:52:39,840 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@58d73022, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ffcaf99 [2022-07-14 03:52:39,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:52:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2022-07-14 03:52:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-14 03:52:39,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:52:39,895 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:52:39,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:52:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:52:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 300694412, now seen corresponding path program 1 times [2022-07-14 03:52:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:52:39,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001287181] [2022-07-14 03:52:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:52:39,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:52:39,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:52:39,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:52:39,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:52:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:52:44,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:52:44,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:52:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 03:52:44,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:52:44,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:52:44,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001287181] [2022-07-14 03:52:44,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001287181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:52:44,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:52:44,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:52:44,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430897793] [2022-07-14 03:52:44,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:52:44,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:52:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:52:44,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:52:44,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:52:44,378 INFO L87 Difference]: Start difference. First operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:52:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:52:45,542 INFO L93 Difference]: Finished difference Result 9429 states and 13551 transitions. [2022-07-14 03:52:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:52:45,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2022-07-14 03:52:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:52:45,593 INFO L225 Difference]: With dead ends: 9429 [2022-07-14 03:52:45,594 INFO L226 Difference]: Without dead ends: 6024 [2022-07-14 03:52:45,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:52:45,629 INFO L413 NwaCegarLoop]: 5616 mSDtfsCounter, 3897 mSDsluCounter, 4659 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 10275 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:52:45,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 10275 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:52:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2022-07-14 03:52:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 6019. [2022-07-14 03:52:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 4083 states have (on average 1.2500612294881215) internal successors, (5104), 4140 states have internal predecessors, (5104), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2022-07-14 03:52:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2022-07-14 03:52:46,024 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2022-07-14 03:52:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:52:46,027 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2022-07-14 03:52:46,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:52:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2022-07-14 03:52:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-14 03:52:46,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:52:46,041 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:52:46,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:52:46,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:52:46,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:52:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:52:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash 370553001, now seen corresponding path program 1 times [2022-07-14 03:52:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:52:46,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716130534] [2022-07-14 03:52:46,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:52:46,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:52:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:52:46,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:52:46,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:52:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:52:50,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:52:50,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:52:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-14 03:52:50,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:52:50,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:52:50,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716130534] [2022-07-14 03:52:50,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716130534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:52:50,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:52:50,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:52:50,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332910968] [2022-07-14 03:52:50,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:52:50,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:52:50,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:52:50,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:52:50,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:52:50,627 INFO L87 Difference]: Start difference. First operand 6019 states and 8478 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 03:52:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:52:51,781 INFO L93 Difference]: Finished difference Result 14838 states and 20831 transitions. [2022-07-14 03:52:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:52:51,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 243 [2022-07-14 03:52:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:52:51,840 INFO L225 Difference]: With dead ends: 14838 [2022-07-14 03:52:51,840 INFO L226 Difference]: Without dead ends: 8856 [2022-07-14 03:52:51,873 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 [2022-07-14 03:52:51,876 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3325 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 03:52:51,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 9840 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 03:52:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-07-14 03:52:52,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 8850. [2022-07-14 03:52:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8850 states, 5982 states have (on average 1.245235707121364) internal successors, (7449), 6067 states have internal predecessors, (7449), 2471 states have call successors, (2471), 396 states have call predecessors, (2471), 395 states have return successors, (2472), 2443 states have call predecessors, (2472), 2471 states have call successors, (2472) [2022-07-14 03:52:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 12392 transitions. [2022-07-14 03:52:52,287 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 12392 transitions. Word has length 243 [2022-07-14 03:52:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:52:52,288 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 12392 transitions. [2022-07-14 03:52:52,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 03:52:52,289 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 12392 transitions. [2022-07-14 03:52:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-14 03:52:52,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:52:52,295 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:52:52,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:52:52,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:52:52,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:52:52,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:52:52,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1226216762, now seen corresponding path program 1 times [2022-07-14 03:52:52,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:52:52,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895984557] [2022-07-14 03:52:52,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:52:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:52:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:52:52,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:52:52,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:52:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:52:56,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 4678 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:52:56,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:52:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-14 03:52:57,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:52:57,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:52:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895984557] [2022-07-14 03:52:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895984557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:52:57,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:52:57,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:52:57,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652903246] [2022-07-14 03:52:57,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:52:57,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:52:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:52:57,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:52:57,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:52:57,271 INFO L87 Difference]: Start difference. First operand 8850 states and 12392 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 03:52:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:52:58,565 INFO L93 Difference]: Finished difference Result 20848 states and 29203 transitions. [2022-07-14 03:52:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:52:58,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-07-14 03:52:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:52:58,665 INFO L225 Difference]: With dead ends: 20848 [2022-07-14 03:52:58,665 INFO L226 Difference]: Without dead ends: 12035 [2022-07-14 03:52:58,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:52:58,715 INFO L413 NwaCegarLoop]: 8453 mSDtfsCounter, 3805 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 03:52:58,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 13029 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 03:52:58,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2022-07-14 03:52:59,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 12029. [2022-07-14 03:52:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12029 states, 8125 states have (on average 1.2427076923076923) internal successors, (10097), 8239 states have internal predecessors, (10097), 3366 states have call successors, (3366), 537 states have call predecessors, (3366), 536 states have return successors, (3367), 3330 states have call predecessors, (3367), 3366 states have call successors, (3367) [2022-07-14 03:52:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12029 states to 12029 states and 16830 transitions. [2022-07-14 03:52:59,312 INFO L78 Accepts]: Start accepts. Automaton has 12029 states and 16830 transitions. Word has length 282 [2022-07-14 03:52:59,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:52:59,313 INFO L495 AbstractCegarLoop]: Abstraction has 12029 states and 16830 transitions. [2022-07-14 03:52:59,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 03:52:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 12029 states and 16830 transitions. [2022-07-14 03:52:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-14 03:52:59,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:52:59,322 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:52:59,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-14 03:52:59,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:52:59,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:52:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:52:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 555212710, now seen corresponding path program 1 times [2022-07-14 03:52:59,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:52:59,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136514509] [2022-07-14 03:52:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:52:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:52:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:52:59,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:52:59,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:53:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:04,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:04,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 03:53:04,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:04,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:04,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136514509] [2022-07-14 03:53:04,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136514509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:04,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:04,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:04,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825984118] [2022-07-14 03:53:04,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:04,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:04,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:04,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:04,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:04,240 INFO L87 Difference]: Start difference. First operand 12029 states and 16830 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:53:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:05,223 INFO L93 Difference]: Finished difference Result 27192 states and 38055 transitions. [2022-07-14 03:53:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:05,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-07-14 03:53:05,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:05,282 INFO L225 Difference]: With dead ends: 27192 [2022-07-14 03:53:05,282 INFO L226 Difference]: Without dead ends: 15200 [2022-07-14 03:53:05,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:05,323 INFO L413 NwaCegarLoop]: 8462 mSDtfsCounter, 3817 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 13045 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:05,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 13045 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:53:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15200 states. [2022-07-14 03:53:05,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15200 to 15194. [2022-07-14 03:53:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15194 states, 10258 states have (on average 1.2414700721388185) internal successors, (12735), 10401 states have internal predecessors, (12735), 4258 states have call successors, (4258), 677 states have call predecessors, (4258), 676 states have return successors, (4259), 4214 states have call predecessors, (4259), 4258 states have call successors, (4259) [2022-07-14 03:53:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15194 states to 15194 states and 21252 transitions. [2022-07-14 03:53:06,077 INFO L78 Accepts]: Start accepts. Automaton has 15194 states and 21252 transitions. Word has length 356 [2022-07-14 03:53:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:06,081 INFO L495 AbstractCegarLoop]: Abstraction has 15194 states and 21252 transitions. [2022-07-14 03:53:06,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:53:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 15194 states and 21252 transitions. [2022-07-14 03:53:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-14 03:53:06,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:06,088 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:53:06,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:06,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:06,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:06,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash -342180568, now seen corresponding path program 1 times [2022-07-14 03:53:06,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:06,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128124043] [2022-07-14 03:53:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:06,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:06,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:06,309 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:06,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:53:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:10,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 03:53:10,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:10,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:10,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128124043] [2022-07-14 03:53:10,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128124043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:10,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:10,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087681401] [2022-07-14 03:53:10,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:10,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:10,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:10,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:10,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:10,951 INFO L87 Difference]: Start difference. First operand 15194 states and 21252 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:53:11,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:11,963 INFO L93 Difference]: Finished difference Result 34965 states and 48895 transitions. [2022-07-14 03:53:11,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:11,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-07-14 03:53:11,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:12,067 INFO L225 Difference]: With dead ends: 34965 [2022-07-14 03:53:12,067 INFO L226 Difference]: Without dead ends: 19808 [2022-07-14 03:53:12,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:12,139 INFO L413 NwaCegarLoop]: 8326 mSDtfsCounter, 4215 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4215 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:12,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4215 Valid, 12571 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:53:12,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19808 states. [2022-07-14 03:53:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19808 to 19802. [2022-07-14 03:53:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19802 states, 13348 states have (on average 1.2399610428528618) internal successors, (16551), 13528 states have internal predecessors, (16551), 5556 states have call successors, (5556), 897 states have call predecessors, (5556), 896 states have return successors, (5557), 5504 states have call predecessors, (5557), 5556 states have call successors, (5557) [2022-07-14 03:53:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 27664 transitions. [2022-07-14 03:53:13,252 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 27664 transitions. Word has length 356 [2022-07-14 03:53:13,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:13,253 INFO L495 AbstractCegarLoop]: Abstraction has 19802 states and 27664 transitions. [2022-07-14 03:53:13,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:53:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 27664 transitions. [2022-07-14 03:53:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-14 03:53:13,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:13,262 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:53:13,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:13,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:13,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1417313468, now seen corresponding path program 1 times [2022-07-14 03:53:13,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:13,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099162903] [2022-07-14 03:53:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:13,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:13,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:53:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:18,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:18,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-14 03:53:18,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:18,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:18,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099162903] [2022-07-14 03:53:18,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099162903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:18,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:18,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894584706] [2022-07-14 03:53:18,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:18,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:18,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:18,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:18,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:18,539 INFO L87 Difference]: Start difference. First operand 19802 states and 27664 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:53:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:19,642 INFO L93 Difference]: Finished difference Result 42737 states and 59725 transitions. [2022-07-14 03:53:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:19,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-07-14 03:53:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:19,750 INFO L225 Difference]: With dead ends: 42737 [2022-07-14 03:53:19,750 INFO L226 Difference]: Without dead ends: 22972 [2022-07-14 03:53:19,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:19,816 INFO L413 NwaCegarLoop]: 7524 mSDtfsCounter, 3819 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 12106 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:19,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 12106 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:53:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22972 states. [2022-07-14 03:53:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22972 to 22966. [2022-07-14 03:53:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22966 states, 15481 states have (on average 1.2395194108907692) internal successors, (19189), 15690 states have internal predecessors, (19189), 6448 states have call successors, (6448), 1036 states have call predecessors, (6448), 1035 states have return successors, (6449), 6388 states have call predecessors, (6449), 6448 states have call successors, (6449) [2022-07-14 03:53:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22966 states to 22966 states and 32086 transitions. [2022-07-14 03:53:20,761 INFO L78 Accepts]: Start accepts. Automaton has 22966 states and 32086 transitions. Word has length 414 [2022-07-14 03:53:20,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:20,762 INFO L495 AbstractCegarLoop]: Abstraction has 22966 states and 32086 transitions. [2022-07-14 03:53:20,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:53:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22966 states and 32086 transitions. [2022-07-14 03:53:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-14 03:53:20,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:20,772 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:53:20,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:20,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:20,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1980260550, now seen corresponding path program 1 times [2022-07-14 03:53:20,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:20,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741886919] [2022-07-14 03:53:20,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:20,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:20,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:20,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:20,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:53:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:25,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:25,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-14 03:53:25,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:25,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:25,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741886919] [2022-07-14 03:53:25,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741886919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:25,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:25,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:25,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325476205] [2022-07-14 03:53:25,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:25,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:25,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:25,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:25,896 INFO L87 Difference]: Start difference. First operand 22966 states and 32086 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:53:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:27,008 INFO L93 Difference]: Finished difference Result 49097 states and 68611 transitions. [2022-07-14 03:53:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:27,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-07-14 03:53:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:27,137 INFO L225 Difference]: With dead ends: 49097 [2022-07-14 03:53:27,138 INFO L226 Difference]: Without dead ends: 26168 [2022-07-14 03:53:27,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:27,231 INFO L413 NwaCegarLoop]: 8465 mSDtfsCounter, 3838 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 13048 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:27,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 13048 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:53:27,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26168 states. [2022-07-14 03:53:28,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26168 to 26162. [2022-07-14 03:53:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26162 states, 17642 states have (on average 1.239258587461739) internal successors, (21863), 17880 states have internal predecessors, (21863), 7342 states have call successors, (7342), 1177 states have call predecessors, (7342), 1176 states have return successors, (7343), 7274 states have call predecessors, (7343), 7342 states have call successors, (7343) [2022-07-14 03:53:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26162 states to 26162 states and 36548 transitions. [2022-07-14 03:53:28,713 INFO L78 Accepts]: Start accepts. Automaton has 26162 states and 36548 transitions. Word has length 414 [2022-07-14 03:53:28,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:28,715 INFO L495 AbstractCegarLoop]: Abstraction has 26162 states and 36548 transitions. [2022-07-14 03:53:28,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:53:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 26162 states and 36548 transitions. [2022-07-14 03:53:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-14 03:53:28,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:28,728 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:53:28,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:28,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:28,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:28,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash -544375116, now seen corresponding path program 1 times [2022-07-14 03:53:28,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:28,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250183872] [2022-07-14 03:53:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:28,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:28,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:28,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:28,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:53:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:33,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 5007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 03:53:33,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-07-14 03:53:34,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:34,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:34,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250183872] [2022-07-14 03:53:34,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250183872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:34,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:34,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 03:53:34,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771154230] [2022-07-14 03:53:34,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:34,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 03:53:34,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 03:53:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-14 03:53:34,447 INFO L87 Difference]: Start difference. First operand 26162 states and 36548 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-07-14 03:54:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:19,545 INFO L93 Difference]: Finished difference Result 77572 states and 108759 transitions. [2022-07-14 03:54:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 03:54:19,546 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) Word has length 455 [2022-07-14 03:54:19,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:19,953 INFO L225 Difference]: With dead ends: 77572 [2022-07-14 03:54:19,954 INFO L226 Difference]: Without dead ends: 51417 [2022-07-14 03:54:20,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-07-14 03:54:20,041 INFO L413 NwaCegarLoop]: 9129 mSDtfsCounter, 8017 mSDsluCounter, 72090 mSDsCounter, 0 mSdLazyCounter, 6130 mSolverCounterSat, 1121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8049 SdHoareTripleChecker+Valid, 81219 SdHoareTripleChecker+Invalid, 7251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1121 IncrementalHoareTripleChecker+Valid, 6130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:54:20,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8049 Valid, 81219 Invalid, 7251 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1121 Valid, 6130 Invalid, 0 Unknown, 0 Unchecked, 42.0s Time] [2022-07-14 03:54:20,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51417 states. [2022-07-14 03:54:22,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51417 to 47054. [2022-07-14 03:54:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47054 states, 31746 states have (on average 1.2393057393057394) internal successors, (39343), 32172 states have internal predecessors, (39343), 13209 states have call successors, (13209), 2098 states have call predecessors, (13209), 2097 states have return successors, (13210), 13088 states have call predecessors, (13210), 13209 states have call successors, (13210) [2022-07-14 03:54:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47054 states to 47054 states and 65762 transitions. [2022-07-14 03:54:22,987 INFO L78 Accepts]: Start accepts. Automaton has 47054 states and 65762 transitions. Word has length 455 [2022-07-14 03:54:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:22,988 INFO L495 AbstractCegarLoop]: Abstraction has 47054 states and 65762 transitions. [2022-07-14 03:54:22,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-07-14 03:54:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 47054 states and 65762 transitions. [2022-07-14 03:54:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-14 03:54:23,001 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:23,001 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:54:23,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 03:54:23,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:23,216 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:23,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash -428851939, now seen corresponding path program 1 times [2022-07-14 03:54:23,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:23,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112843488] [2022-07-14 03:54:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:23,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:23,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:23,222 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) [2022-07-14 03:54:23,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 03:54:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:28,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 5053 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 03:54:28,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2022-07-14 03:54:28,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:28,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:28,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112843488] [2022-07-14 03:54:28,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112843488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:28,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:28,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:54:28,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35576902] [2022-07-14 03:54:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:28,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:54:28,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:54:28,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:54:28,756 INFO L87 Difference]: Start difference. First operand 47054 states and 65762 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44)