./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_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-?-3598765 [2022-07-21 14:42:09,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:42:09,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:42:09,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:42:09,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:42:09,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:42:09,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:42:09,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:42:09,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:42:09,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:42:09,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:42:09,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:42:09,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:42:09,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:42:09,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:42:09,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:42:09,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:42:09,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:42:09,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:42:09,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:42:09,976 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:42:09,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:42:09,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:42:09,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:42:09,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:42:09,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:42:09,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:42:09,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:42:09,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:42:09,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:42:09,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:42:09,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:42:09,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:42:09,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:42:09,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:42:09,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:42:09,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:42:09,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:42:09,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:42:09,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:42:09,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:42:09,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:42:10,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:42:10,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:42:10,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:42:10,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:42:10,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:42:10,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:42:10,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:42:10,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:42:10,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:42:10,034 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:42:10,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:42:10,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:42:10,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:42:10,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:42:10,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:42:10,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:42:10,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:42:10,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:42:10,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:42:10,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:42:10,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:42:10,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:42:10,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:42:10,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:42:10,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:42:10,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:42:10,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:42:10,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:42:10,054 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:42:10,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:42:10,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:42:10,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-21 14:42:10,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:42:10,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:42:10,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:42:10,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:42:10,368 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:42:10,370 INFO L432 ainManager$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 [2022-07-21 14:42:10,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89c652cc/9421cad4b29941a984c795a88d1f742a/FLAGe7f1a9364 [2022-07-21 14:42:11,178 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:42:11,179 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 [2022-07-21 14:42:11,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89c652cc/9421cad4b29941a984c795a88d1f742a/FLAGe7f1a9364 [2022-07-21 14:42:11,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89c652cc/9421cad4b29941a984c795a88d1f742a [2022-07-21 14:42:11,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:42:11,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:42:11,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:42:11,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:42:11,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:42:11,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:42:11" (1/1) ... [2022-07-21 14:42:11,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40310789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:11, skipping insertion in model container [2022-07-21 14:42:11,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:42:11" (1/1) ... [2022-07-21 14:42:11,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:42:11,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:42:16,151 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] [2022-07-21 14:42:16,153 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] [2022-07-21 14:42:16,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:42:16,249 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:42:16,564 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) [2022-07-21 14:42:16,572 INFO L158 Benchmark]: Toolchain (without parser) took 4898.24ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 28.1MB in the beginning and 54.0MB in the end (delta: -25.9MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-07-21 14:42:16,573 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:42:16,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4895.85ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 27.9MB in the beginning and 54.0MB in the end (delta: -26.1MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-07-21 14:42:16,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4895.85ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 27.9MB in the beginning and 54.0MB in the end (delta: -26.1MB). Peak memory consumption was 83.5MB. 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-?-3598765 [2022-07-21 14:42:18,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:42:18,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:42:18,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:42:18,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:42:18,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:42:18,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:42:18,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:42:18,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:42:18,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:42:18,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:42:18,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:42:18,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:42:18,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:42:18,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:42:18,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:42:18,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:42:18,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:42:18,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:42:18,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:42:18,380 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:42:18,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:42:18,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:42:18,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:42:18,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:42:18,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:42:18,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:42:18,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:42:18,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:42:18,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:42:18,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:42:18,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:42:18,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:42:18,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:42:18,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:42:18,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:42:18,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:42:18,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:42:18,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:42:18,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:42:18,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:42:18,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:42:18,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:42:18,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:42:18,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:42:18,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:42:18,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:42:18,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:42:18,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:42:18,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:42:18,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:42:18,411 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:42:18,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:42:18,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:42:18,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:42:18,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:42:18,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:42:18,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:42:18,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:42:18,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:42:18,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:42:18,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:42:18,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:42:18,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:42:18,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:42:18,414 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:42:18,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:42:18,414 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:42:18,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:42:18,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:42:18,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:42:18,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-21 14:42:18,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:42:18,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:42:18,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:42:18,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:42:18,706 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:42:18,708 INFO L432 ainManager$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 [2022-07-21 14:42:18,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c571aaca7/0c17adc7372e41e58634a7fb77121ab0/FLAG1a92d76e8 [2022-07-21 14:42:19,573 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:42:19,574 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 [2022-07-21 14:42:19,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c571aaca7/0c17adc7372e41e58634a7fb77121ab0/FLAG1a92d76e8 [2022-07-21 14:42:20,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c571aaca7/0c17adc7372e41e58634a7fb77121ab0 [2022-07-21 14:42:20,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:42:20,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:42:20,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:42:20,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:42:20,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:42:20,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:42:20" (1/1) ... [2022-07-21 14:42:20,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7513653d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:20, skipping insertion in model container [2022-07-21 14:42:20,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:42:20" (1/1) ... [2022-07-21 14:42:20,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:42:20,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:42:25,159 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] [2022-07-21 14:42:25,161 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] [2022-07-21 14:42:25,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:42:25,258 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:42:25,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:42:25,738 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] [2022-07-21 14:42:25,739 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] [2022-07-21 14:42:25,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:42:25,763 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:42:26,277 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] [2022-07-21 14:42:26,278 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] [2022-07-21 14:42:26,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:42:26,473 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:42:26,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26 WrapperNode [2022-07-21 14:42:26,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:42:26,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:42:26,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:42:26,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:42:26,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:26,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:26,861 INFO L137 Inliner]: procedures = 600, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 11868 [2022-07-21 14:42:26,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:42:26,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:42:26,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:42:26,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:42:26,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:26,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:26,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:26,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:27,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:27,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:27,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:27,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:42:27,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:42:27,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:42:27,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:42:27,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (1/1) ... [2022-07-21 14:42:27,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:42:27,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:42:27,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:42:27,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:42:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:42:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:42:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:42:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:42:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:42:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:42:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-21 14:42:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-21 14:42:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:42:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:42:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-21 14:42:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-21 14:42:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 14:42:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 14:42:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:42:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:42:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 14:42:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 14:42:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:42:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:42:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-21 14:42:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-21 14:42:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-21 14:42:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-21 14:42:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-21 14:42:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-21 14:42:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-21 14:42:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-21 14:42:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:42:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:42:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-21 14:42:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-21 14:42:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:42:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:42:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-21 14:42:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-21 14:42:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:42:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:42:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:42:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:42:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:42:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:42:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:42:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:42:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-21 14:42:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-21 14:42:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:42:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:42:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:42:27,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:42:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:42:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:42:27,391 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:42:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:42:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:42:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:42:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-21 14:42:27,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-21 14:42:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:42:27,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:42:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-21 14:42:27,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-21 14:42:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:42:27,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:42:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-21 14:42:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-21 14:42:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-21 14:42:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-21 14:42:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:42:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:42:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-21 14:42:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-21 14:42:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:42:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:42:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-21 14:42:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-21 14:42:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-21 14:42:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-21 14:42:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:42:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:42:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-21 14:42:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-21 14:42:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:42:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:42:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 14:42:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 14:42:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:42:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:42:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:42:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:42:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 14:42:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 14:42:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:42:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:42:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:42:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:42:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:42:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:42:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-21 14:42:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-21 14:42:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 14:42:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 14:42:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:42:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:42:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-21 14:42:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-21 14:42:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-21 14:42:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-21 14:42:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-21 14:42:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-21 14:42:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:42:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:42:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:42:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:42:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:42:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:42:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:42:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:42:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:42:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:42:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:42:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:42:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:42:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:42:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:42:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:42:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:42:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:42:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-21 14:42:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-21 14:42:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-21 14:42:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:42:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:42:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:42:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:42:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-21 14:42:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-21 14:42:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 14:42:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 14:42:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-21 14:42:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-21 14:42:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 14:42:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 14:42:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-21 14:42:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-21 14:42:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-21 14:42:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-21 14:42:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:42:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:42:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:42:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:42:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:42:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:42:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-21 14:42:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-21 14:42:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-21 14:42:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-21 14:42:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-21 14:42:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-21 14:42:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 14:42:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 14:42:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:42:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:42:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:42:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-21 14:42:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-21 14:42:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:42:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:42:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 14:42:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 14:42:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:42:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:42:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:42:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:42:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:42:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:42:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:42:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:42:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:42:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:42:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:42:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:42:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:42:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:42:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-21 14:42:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-21 14:42:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:42:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:42:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-21 14:42:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-21 14:42:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 14:42:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 14:42:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:42:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:42:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:42:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:42:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-21 14:42:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-21 14:42:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-21 14:42:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-21 14:42:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 14:42:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 14:42:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:42:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:42:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:42:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:42:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 14:42:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 14:42:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:42:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:42:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 14:42:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 14:42:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:42:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:42:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:42:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:42:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:42:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-21 14:42:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-21 14:42:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-21 14:42:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-21 14:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 14:42:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 14:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-21 14:42:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-21 14:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:42:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:42:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:42:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 14:42:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 14:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:42:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:42:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:42:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 14:42:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 14:42:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:42:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-21 14:42:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:42:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:42:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-21 14:42:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:42:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:42:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-21 14:42:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:42:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 14:42:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-21 14:42:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-21 14:42:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 14:42:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 14:42:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-21 14:42:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-21 14:42:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-21 14:42:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-21 14:42:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-21 14:42:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-21 14:42:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-21 14:42:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-21 14:42:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-21 14:42:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-21 14:42:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:42:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 14:42:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 14:42:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:42:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:42:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 14:42:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-21 14:42:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-21 14:42:28,407 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:42:28,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:42:29,321 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:44:43,167 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:44:45,858 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:44:45,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:44:45,882 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:44:45,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:44:45 BoogieIcfgContainer [2022-07-21 14:44:45,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:44:45,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:44:45,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:44:45,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:44:45,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:42:20" (1/3) ... [2022-07-21 14:44:45,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:44:45, skipping insertion in model container [2022-07-21 14:44:45,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:42:26" (2/3) ... [2022-07-21 14:44:45,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:44:45, skipping insertion in model container [2022-07-21 14:44:45,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:44:45" (3/3) ... [2022-07-21 14:44:45,893 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 14:44:45,902 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:44:45,902 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:44:45,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:44:46,002 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@4a89b27d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a0c3d81 [2022-07-21 14:44:46,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:44:46,023 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) [2022-07-21 14:44:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-21 14:44:46,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:44:46,061 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] [2022-07-21 14:44:46,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:44:46,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:44:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 300694412, now seen corresponding path program 1 times [2022-07-21 14:44:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:44:46,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121682191] [2022-07-21 14:44:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:44:46,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:44:46,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:44:46,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:44:46,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:44:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:44:50,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:44:50,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:44:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 14:44:51,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:44:51,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:44:51,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121682191] [2022-07-21 14:44:51,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121682191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:44:51,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:44:51,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:44:51,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237523888] [2022-07-21 14:44:51,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:44:51,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:44:51,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:44:51,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:44:51,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:44:51,088 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) [2022-07-21 14:44:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:44:52,697 INFO L93 Difference]: Finished difference Result 9429 states and 13551 transitions. [2022-07-21 14:44:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:44:52,700 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 [2022-07-21 14:44:52,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:44:52,762 INFO L225 Difference]: With dead ends: 9429 [2022-07-21 14:44:52,762 INFO L226 Difference]: Without dead ends: 6024 [2022-07-21 14:44:52,800 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 [2022-07-21 14:44:52,805 INFO L413 NwaCegarLoop]: 5616 mSDtfsCounter, 3897 mSDsluCounter, 4659 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 10275 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:44:52,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 10275 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:44:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2022-07-21 14:44:53,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 6019. [2022-07-21 14:44:53,211 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) [2022-07-21 14:44:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2022-07-21 14:44:53,255 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2022-07-21 14:44:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:44:53,258 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2022-07-21 14:44:53,258 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) [2022-07-21 14:44:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2022-07-21 14:44:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-21 14:44:53,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:44:53,267 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] [2022-07-21 14:44:53,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 14:44:53,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:44:53,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:44:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:44:53,485 INFO L85 PathProgramCache]: Analyzing trace with hash 370553001, now seen corresponding path program 1 times [2022-07-21 14:44:53,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:44:53,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143078375] [2022-07-21 14:44:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:44:53,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:44:53,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:44:53,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:44:53,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:44:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:44:57,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:44:57,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:44:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-21 14:44:58,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:44:58,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:44:58,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143078375] [2022-07-21 14:44:58,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143078375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:44:58,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:44:58,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:44:58,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191504797] [2022-07-21 14:44:58,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:44:58,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:44:58,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:44:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:44:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:44:58,219 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) [2022-07-21 14:44:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:44:59,940 INFO L93 Difference]: Finished difference Result 14838 states and 20831 transitions. [2022-07-21 14:44:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:44:59,941 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 [2022-07-21 14:44:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:44:59,994 INFO L225 Difference]: With dead ends: 14838 [2022-07-21 14:44:59,994 INFO L226 Difference]: Without dead ends: 8856 [2022-07-21 14:45:00,026 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 [2022-07-21 14:45:00,028 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3325 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:00,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 9840 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 14:45:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-07-21 14:45:00,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 8850. [2022-07-21 14:45:00,372 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) [2022-07-21 14:45:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 12392 transitions. [2022-07-21 14:45:00,411 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 12392 transitions. Word has length 243 [2022-07-21 14:45:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:00,414 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 12392 transitions. [2022-07-21 14:45:00,415 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) [2022-07-21 14:45:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 12392 transitions. [2022-07-21 14:45:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-21 14:45:00,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:00,420 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] [2022-07-21 14:45:00,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:00,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:00,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:00,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1226216762, now seen corresponding path program 1 times [2022-07-21 14:45:00,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:00,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371707208] [2022-07-21 14:45:00,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:00,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:00,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:00,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:45:00,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:45:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:04,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 4678 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:45:04,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-21 14:45:05,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:05,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:05,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371707208] [2022-07-21 14:45:05,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371707208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:05,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:05,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:45:05,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273899592] [2022-07-21 14:45:05,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:05,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:45:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:05,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:45:05,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:45:05,948 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) [2022-07-21 14:45:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:45:07,451 INFO L93 Difference]: Finished difference Result 20848 states and 29203 transitions. [2022-07-21 14:45:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:45:07,452 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 [2022-07-21 14:45:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:45:07,535 INFO L225 Difference]: With dead ends: 20848 [2022-07-21 14:45:07,536 INFO L226 Difference]: Without dead ends: 12035 [2022-07-21 14:45:07,577 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 [2022-07-21 14:45:07,579 INFO L413 NwaCegarLoop]: 8453 mSDtfsCounter, 3805 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:07,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 13029 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:45:07,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2022-07-21 14:45:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 12029. [2022-07-21 14:45:08,143 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) [2022-07-21 14:45:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12029 states to 12029 states and 16830 transitions. [2022-07-21 14:45:08,191 INFO L78 Accepts]: Start accepts. Automaton has 12029 states and 16830 transitions. Word has length 282 [2022-07-21 14:45:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:08,191 INFO L495 AbstractCegarLoop]: Abstraction has 12029 states and 16830 transitions. [2022-07-21 14:45:08,192 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) [2022-07-21 14:45:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 12029 states and 16830 transitions. [2022-07-21 14:45:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-21 14:45:08,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:08,201 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] [2022-07-21 14:45:08,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:08,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:08,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:08,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash 555212710, now seen corresponding path program 1 times [2022-07-21 14:45:08,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:08,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225478762] [2022-07-21 14:45:08,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:08,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:08,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:08,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:45:08,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:45:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:13,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:45:13,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-21 14:45:13,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:13,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:13,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225478762] [2022-07-21 14:45:13,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225478762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:13,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:13,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:45:13,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054453784] [2022-07-21 14:45:13,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:13,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:45:13,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:13,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:45:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:45:13,562 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) [2022-07-21 14:45:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:45:14,933 INFO L93 Difference]: Finished difference Result 27192 states and 38055 transitions. [2022-07-21 14:45:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:45:14,934 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 [2022-07-21 14:45:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:45:15,000 INFO L225 Difference]: With dead ends: 27192 [2022-07-21 14:45:15,001 INFO L226 Difference]: Without dead ends: 15200 [2022-07-21 14:45:15,166 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 [2022-07-21 14:45:15,168 INFO L413 NwaCegarLoop]: 8462 mSDtfsCounter, 3817 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 13045 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:15,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 13045 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 14:45:15,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15200 states. [2022-07-21 14:45:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15200 to 15194. [2022-07-21 14:45:15,722 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) [2022-07-21 14:45:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15194 states to 15194 states and 21252 transitions. [2022-07-21 14:45:15,788 INFO L78 Accepts]: Start accepts. Automaton has 15194 states and 21252 transitions. Word has length 356 [2022-07-21 14:45:15,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:15,791 INFO L495 AbstractCegarLoop]: Abstraction has 15194 states and 21252 transitions. [2022-07-21 14:45:15,792 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) [2022-07-21 14:45:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15194 states and 21252 transitions. [2022-07-21 14:45:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-21 14:45:15,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:15,799 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] [2022-07-21 14:45:15,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:16,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:16,024 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:16,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash -342180568, now seen corresponding path program 1 times [2022-07-21 14:45:16,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950530440] [2022-07-21 14:45:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:16,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:16,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:16,031 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) [2022-07-21 14:45:16,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:45:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:20,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:45:20,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-21 14:45:21,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:21,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:21,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950530440] [2022-07-21 14:45:21,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950530440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:21,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:21,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:45:21,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145759910] [2022-07-21 14:45:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:21,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:45:21,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:21,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:45:21,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:45:21,054 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) [2022-07-21 14:45:22,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:45:22,641 INFO L93 Difference]: Finished difference Result 34965 states and 48895 transitions. [2022-07-21 14:45:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:45:22,642 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 [2022-07-21 14:45:22,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:45:22,723 INFO L225 Difference]: With dead ends: 34965 [2022-07-21 14:45:22,724 INFO L226 Difference]: Without dead ends: 19808 [2022-07-21 14:45:22,774 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 [2022-07-21 14:45:22,775 INFO L413 NwaCegarLoop]: 8326 mSDtfsCounter, 4215 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4215 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:22,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4215 Valid, 12571 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:45:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19808 states. [2022-07-21 14:45:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19808 to 19802. [2022-07-21 14:45:23,679 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) [2022-07-21 14:45:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 27664 transitions. [2022-07-21 14:45:23,750 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 27664 transitions. Word has length 356 [2022-07-21 14:45:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 19802 states and 27664 transitions. [2022-07-21 14:45:23,751 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) [2022-07-21 14:45:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 27664 transitions. [2022-07-21 14:45:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-21 14:45:23,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:23,760 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] [2022-07-21 14:45:23,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:23,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:23,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:23,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:23,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1417313468, now seen corresponding path program 1 times [2022-07-21 14:45:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:23,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104071989] [2022-07-21 14:45:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:23,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:23,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:23,982 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) [2022-07-21 14:45:23,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:45:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:28,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:45:28,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-21 14:45:28,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:28,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:28,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104071989] [2022-07-21 14:45:28,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104071989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:28,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:28,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:45:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357073106] [2022-07-21 14:45:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:28,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:45:28,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:28,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:45:28,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:45:28,951 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) [2022-07-21 14:45:30,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:45:30,481 INFO L93 Difference]: Finished difference Result 42737 states and 59725 transitions. [2022-07-21 14:45:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:45:30,482 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 [2022-07-21 14:45:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:45:30,585 INFO L225 Difference]: With dead ends: 42737 [2022-07-21 14:45:30,585 INFO L226 Difference]: Without dead ends: 22972 [2022-07-21 14:45:30,659 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 [2022-07-21 14:45:30,660 INFO L413 NwaCegarLoop]: 7524 mSDtfsCounter, 3819 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 12106 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:30,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 12106 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 14:45:30,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22972 states. [2022-07-21 14:45:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22972 to 22966. [2022-07-21 14:45:31,788 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) [2022-07-21 14:45:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22966 states to 22966 states and 32086 transitions. [2022-07-21 14:45:31,878 INFO L78 Accepts]: Start accepts. Automaton has 22966 states and 32086 transitions. Word has length 414 [2022-07-21 14:45:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:31,879 INFO L495 AbstractCegarLoop]: Abstraction has 22966 states and 32086 transitions. [2022-07-21 14:45:31,880 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) [2022-07-21 14:45:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22966 states and 32086 transitions. [2022-07-21 14:45:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-21 14:45:31,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:31,889 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] [2022-07-21 14:45:31,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:32,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:32,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:32,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:32,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1980260550, now seen corresponding path program 1 times [2022-07-21 14:45:32,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:32,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480465456] [2022-07-21 14:45:32,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:32,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:32,124 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) [2022-07-21 14:45:32,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:45:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:36,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:45:36,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-21 14:45:37,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:37,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:37,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480465456] [2022-07-21 14:45:37,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480465456] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:37,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:37,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:45:37,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078073089] [2022-07-21 14:45:37,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:37,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:45:37,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:45:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:45:37,224 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) [2022-07-21 14:45:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:45:38,994 INFO L93 Difference]: Finished difference Result 49097 states and 68611 transitions. [2022-07-21 14:45:38,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:45:38,995 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 [2022-07-21 14:45:38,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:45:39,132 INFO L225 Difference]: With dead ends: 49097 [2022-07-21 14:45:39,132 INFO L226 Difference]: Without dead ends: 26168 [2022-07-21 14:45:39,371 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 [2022-07-21 14:45:39,372 INFO L413 NwaCegarLoop]: 8465 mSDtfsCounter, 3838 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 13048 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:45:39,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 13048 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:45:39,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26168 states. [2022-07-21 14:45:40,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26168 to 26162. [2022-07-21 14:45:40,317 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) [2022-07-21 14:45:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26162 states to 26162 states and 36548 transitions. [2022-07-21 14:45:40,441 INFO L78 Accepts]: Start accepts. Automaton has 26162 states and 36548 transitions. Word has length 414 [2022-07-21 14:45:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:45:40,442 INFO L495 AbstractCegarLoop]: Abstraction has 26162 states and 36548 transitions. [2022-07-21 14:45:40,442 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) [2022-07-21 14:45:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 26162 states and 36548 transitions. [2022-07-21 14:45:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-21 14:45:40,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:45:40,455 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] [2022-07-21 14:45:40,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:45:40,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:45:40,680 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:45:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:45:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash -544375116, now seen corresponding path program 1 times [2022-07-21 14:45:40,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:45:40,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687143025] [2022-07-21 14:45:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:45:40,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:45:40,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:45:40,695 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) [2022-07-21 14:45:40,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:45:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:45:45,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 5007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 14:45:45,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:45:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-07-21 14:45:48,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:45:48,123 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:45:48,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687143025] [2022-07-21 14:45:48,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687143025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:45:48,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:45:48,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 14:45:48,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958735673] [2022-07-21 14:45:48,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:45:48,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 14:45:48,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:45:48,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 14:45:48,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:45:48,126 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)