./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 6c24879c 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-?-6c24879 [2022-07-12 16:08:31,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:08:31,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:08:31,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:08:31,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:08:31,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:08:31,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:08:31,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:08:31,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:08:31,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:08:31,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:08:31,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:08:31,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:08:31,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:08:31,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:08:31,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:08:31,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:08:31,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:08:31,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:08:31,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:08:31,232 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:08:31,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:08:31,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:08:31,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:08:31,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:08:31,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:08:31,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:08:31,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:08:31,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:08:31,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:08:31,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:08:31,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:08:31,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:08:31,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:08:31,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:08:31,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:08:31,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:08:31,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:08:31,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:08:31,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:08:31,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:08:31,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:08:31,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:08:31,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:08:31,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:08:31,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:08:31,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:08:31,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:08:31,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:08:31,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:08:31,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:08:31,280 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:08:31,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:08:31,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:08:31,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:08:31,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:08:31,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:08:31,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:08:31,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:08:31,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:08:31,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:08:31,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:08:31,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:08:31,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:08:31,284 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:08:31,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:08:31,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:08:31,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-12 16:08:31,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:08:31,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:08:31,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:08:31,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:08:31,503 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:08:31,504 INFO L432 ainManager$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 [2022-07-12 16:08:31,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0aafc57/1018b595700845a59f35b2ec1687a9c4/FLAG00bbbbf3a [2022-07-12 16:08:32,245 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:08:32,245 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 [2022-07-12 16:08:32,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0aafc57/1018b595700845a59f35b2ec1687a9c4/FLAG00bbbbf3a [2022-07-12 16:08:32,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0aafc57/1018b595700845a59f35b2ec1687a9c4 [2022-07-12 16:08:32,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:08:32,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:08:32,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:08:32,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:08:32,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:08:32,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:08:32" (1/1) ... [2022-07-12 16:08:32,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4992434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:32, skipping insertion in model container [2022-07-12 16:08:32,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:08:32" (1/1) ... [2022-07-12 16:08:32,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:08:32,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:08:35,394 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] [2022-07-12 16:08:35,396 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] [2022-07-12 16:08:35,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:08:35,483 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:08:35,684 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) [2022-07-12 16:08:35,688 INFO L158 Benchmark]: Toolchain (without parser) took 3363.99ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 113.4MB in the beginning and 116.9MB in the end (delta: -3.6MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2022-07-12 16:08:35,689 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:08:35,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3362.57ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 112.7MB in the beginning and 116.9MB in the end (delta: -4.2MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. [2022-07-12 16:08:35,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3362.57ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 112.7MB in the beginning and 116.9MB in the end (delta: -4.2MB). Peak memory consumption was 112.8MB. 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-?-6c24879 [2022-07-12 16:08:37,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:08:37,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:08:37,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:08:37,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:08:37,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:08:37,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:08:37,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:08:37,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:08:37,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:08:37,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:08:37,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:08:37,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:08:37,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:08:37,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:08:37,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:08:37,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:08:37,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:08:37,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:08:37,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:08:37,194 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:08:37,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:08:37,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:08:37,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:08:37,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:08:37,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:08:37,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:08:37,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:08:37,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:08:37,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:08:37,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:08:37,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:08:37,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:08:37,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:08:37,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:08:37,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:08:37,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:08:37,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:08:37,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:08:37,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:08:37,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:08:37,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:08:37,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:08:37,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:08:37,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:08:37,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:08:37,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:08:37,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:08:37,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:08:37,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:08:37,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:08:37,247 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:08:37,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:08:37,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:08:37,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:08:37,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:08:37,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:08:37,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:08:37,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:08:37,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:08:37,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:08:37,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:08:37,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:08:37,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:08:37,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:08:37,250 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:08:37,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:08:37,251 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:08:37,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:08:37,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:08:37,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:08:37,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-07-12 16:08:37,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:08:37,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:08:37,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:08:37,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:08:37,529 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:08:37,530 INFO L432 ainManager$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 [2022-07-12 16:08:37,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2dda6f/f5065b6997a84946b12eab45f28b9aec/FLAG7ac5a44eb [2022-07-12 16:08:38,383 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:08:38,383 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 [2022-07-12 16:08:38,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2dda6f/f5065b6997a84946b12eab45f28b9aec/FLAG7ac5a44eb [2022-07-12 16:08:38,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2dda6f/f5065b6997a84946b12eab45f28b9aec [2022-07-12 16:08:38,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:08:38,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:08:38,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:08:38,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:08:38,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:08:38,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:08:38" (1/1) ... [2022-07-12 16:08:38,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4688e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:38, skipping insertion in model container [2022-07-12 16:08:38,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:08:38" (1/1) ... [2022-07-12 16:08:38,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:08:38,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:08:41,858 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] [2022-07-12 16:08:41,860 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] [2022-07-12 16:08:41,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:08:41,941 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:08:42,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:08:42,372 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] [2022-07-12 16:08:42,373 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] [2022-07-12 16:08:42,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:08:42,410 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:08:42,780 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] [2022-07-12 16:08:42,780 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] [2022-07-12 16:08:42,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:08:43,022 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:08:43,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43 WrapperNode [2022-07-12 16:08:43,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:08:43,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:08:43,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:08:43,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:08:43,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,385 INFO L137 Inliner]: procedures = 600, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 11868 [2022-07-12 16:08:43,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:08:43,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:08:43,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:08:43,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:08:43,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:08:43,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:08:43,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:08:43,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:08:43,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (1/1) ... [2022-07-12 16:08:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:08:43,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:08:43,763 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) [2022-07-12 16:08:43,775 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 [2022-07-12 16:08:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:08:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:08:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:08:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:08:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:08:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:08:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-12 16:08:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-12 16:08:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:08:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:08:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-12 16:08:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-12 16:08:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:08:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:08:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:08:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:08:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 16:08:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 16:08:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:08:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:08:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-12 16:08:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-12 16:08:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-12 16:08:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-12 16:08:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:08:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:08:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-12 16:08:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-12 16:08:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:08:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:08:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-12 16:08:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-12 16:08:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:08:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:08:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-12 16:08:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-12 16:08:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:08:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:08:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:08:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:08:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:08:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:08:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:08:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:08:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-12 16:08:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-12 16:08:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:08:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:08:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:08:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:08:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:08:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:08:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:08:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:08:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:08:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-12 16:08:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-12 16:08:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:08:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:08:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-12 16:08:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-12 16:08:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-12 16:08:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-12 16:08:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:08:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:08:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-12 16:08:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-12 16:08:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:08:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:08:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-12 16:08:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-12 16:08:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-12 16:08:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-12 16:08:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:08:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:08:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-12 16:08:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-12 16:08:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:08:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:08:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 16:08:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 16:08:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:08:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:08:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:08:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:08:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 16:08:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 16:08:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:08:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:08:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:08:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:08:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:08:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:08:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-12 16:08:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-12 16:08:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 16:08:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 16:08:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:08:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:08:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-12 16:08:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-12 16:08:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-12 16:08:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-12 16:08:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-12 16:08:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-12 16:08:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:08:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:08:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:08:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:08:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:08:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:08:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:08:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:08:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:08:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:08:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:08:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:08:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:08:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-12 16:08:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-12 16:08:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-12 16:08:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:08:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:08:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:08:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:08:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-12 16:08:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-12 16:08:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:08:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:08:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-12 16:08:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-12 16:08:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 16:08:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 16:08:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-12 16:08:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-12 16:08:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-12 16:08:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-12 16:08:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:08:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:08:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:08:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:08:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:08:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:08:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-12 16:08:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-12 16:08:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-12 16:08:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-12 16:08:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-12 16:08:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-12 16:08:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 16:08:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 16:08:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:08:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-12 16:08:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:08:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 16:08:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:08:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:08:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:08:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:08:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:08:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:08:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:08:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:08:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-12 16:08:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-12 16:08:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:08:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:08:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:08:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:08:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:08:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:08:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:08:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:08:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:08:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:08:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-12 16:08:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-12 16:08:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-12 16:08:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-12 16:08:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 16:08:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 16:08:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:08:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:08:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:08:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:08:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:08:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:08:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:08:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:08:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:08:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 16:08:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:08:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:08:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:08:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:08:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:08:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:08:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:08:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:08:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:08:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:08:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-12 16:08:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-12 16:08:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-12 16:08:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-12 16:08:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 16:08:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 16:08:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-12 16:08:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-12 16:08:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:08:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:08:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:08:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:08:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 16:08:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 16:08:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:08:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:08:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:08:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:08:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:08:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:08:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 16:08:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:08:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-12 16:08:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:08:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:08:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:08:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-12 16:08:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-12 16:08:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:08:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:08:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-12 16:08:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-12 16:08:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:08:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:08:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-12 16:08:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-12 16:08:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-12 16:08:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-12 16:08:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-12 16:08:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-12 16:08:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:08:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:08:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-12 16:08:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-12 16:08:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-12 16:08:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-12 16:08:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-12 16:08:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-12 16:08:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-12 16:08:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-12 16:08:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-12 16:08:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-12 16:08:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:08:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:08:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:08:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:08:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:08:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:08:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 16:08:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 16:08:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:08:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:08:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 16:08:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-12 16:08:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-12 16:08:44,816 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:08:44,818 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:08:45,578 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:10:44,726 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:10:47,801 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:10:47,833 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:10:47,834 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 16:10:47,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:10:47 BoogieIcfgContainer [2022-07-12 16:10:47,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:10:47,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:10:47,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:10:47,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:10:47,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:08:38" (1/3) ... [2022-07-12 16:10:47,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f96e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:10:47, skipping insertion in model container [2022-07-12 16:10:47,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:08:43" (2/3) ... [2022-07-12 16:10:47,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f96e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:10:47, skipping insertion in model container [2022-07-12 16:10:47,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:10:47" (3/3) ... [2022-07-12 16:10:47,845 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:10:47,858 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:10:47,858 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 16:10:47,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:10:47,998 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@5f6b21e0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a128b6f [2022-07-12 16:10:47,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 16:10:48,011 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) [2022-07-12 16:10:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-12 16:10:48,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:10:48,037 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] [2022-07-12 16:10:48,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:10:48,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:10:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash 300694412, now seen corresponding path program 1 times [2022-07-12 16:10:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:10:48,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577129564] [2022-07-12 16:10:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:10:48,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:10:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:10:48,059 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) [2022-07-12 16:10:48,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:10:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:52,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:10:52,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:10:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:10:52,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:10:52,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:10:52,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577129564] [2022-07-12 16:10:52,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577129564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:10:52,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:10:52,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:10:52,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536184612] [2022-07-12 16:10:52,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:10:52,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:10:52,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:10:52,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:10:52,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:10:52,416 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) [2022-07-12 16:10:53,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:10:53,533 INFO L93 Difference]: Finished difference Result 9429 states and 13551 transitions. [2022-07-12 16:10:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:10:53,535 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 [2022-07-12 16:10:53,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:10:53,584 INFO L225 Difference]: With dead ends: 9429 [2022-07-12 16:10:53,585 INFO L226 Difference]: Without dead ends: 6024 [2022-07-12 16:10:53,617 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 [2022-07-12 16:10:53,620 INFO L413 NwaCegarLoop]: 5616 mSDtfsCounter, 3897 mSDsluCounter, 4659 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 10275 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:10:53,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 10275 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:10:53,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2022-07-12 16:10:53,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 6019. [2022-07-12 16:10:53,918 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) [2022-07-12 16:10:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2022-07-12 16:10:53,962 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2022-07-12 16:10:53,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:10:53,969 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2022-07-12 16:10:53,970 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) [2022-07-12 16:10:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2022-07-12 16:10:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-12 16:10:53,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:10:53,978 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] [2022-07-12 16:10:54,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:10:54,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:10:54,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:10:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:10:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash 370553001, now seen corresponding path program 1 times [2022-07-12 16:10:54,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:10:54,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419120705] [2022-07-12 16:10:54,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:10:54,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:10:54,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:10:54,202 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) [2022-07-12 16:10:54,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:10:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:58,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:10:58,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:10:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-12 16:10:58,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:10:58,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:10:58,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419120705] [2022-07-12 16:10:58,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419120705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:10:58,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:10:58,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:10:58,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882812538] [2022-07-12 16:10:58,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:10:58,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:10:58,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:10:58,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:10:58,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:10:58,230 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) [2022-07-12 16:10:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:10:59,556 INFO L93 Difference]: Finished difference Result 14838 states and 20831 transitions. [2022-07-12 16:10:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:10:59,557 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 [2022-07-12 16:10:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:10:59,619 INFO L225 Difference]: With dead ends: 14838 [2022-07-12 16:10:59,620 INFO L226 Difference]: Without dead ends: 8856 [2022-07-12 16:10:59,651 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 [2022-07-12 16:10:59,652 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3325 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:10:59,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 9840 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 16:10:59,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-07-12 16:11:00,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 8850. [2022-07-12 16:11:00,090 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) [2022-07-12 16:11:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 12392 transitions. [2022-07-12 16:11:00,135 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 12392 transitions. Word has length 243 [2022-07-12 16:11:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:00,136 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 12392 transitions. [2022-07-12 16:11:00,137 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) [2022-07-12 16:11:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 12392 transitions. [2022-07-12 16:11:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-12 16:11:00,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:00,142 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] [2022-07-12 16:11:00,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:00,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:00,358 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:00,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:00,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1226216762, now seen corresponding path program 1 times [2022-07-12 16:11:00,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:00,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15573582] [2022-07-12 16:11:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:00,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:00,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:00,364 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) [2022-07-12 16:11:00,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:11:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:04,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 4678 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:11:04,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-12 16:11:04,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:04,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:04,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15573582] [2022-07-12 16:11:04,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15573582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:04,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:04,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:11:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026036426] [2022-07-12 16:11:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:04,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:11:04,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:04,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:11:04,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:11:04,918 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) [2022-07-12 16:11:05,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:11:05,937 INFO L93 Difference]: Finished difference Result 20848 states and 29203 transitions. [2022-07-12 16:11:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:11:05,937 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 [2022-07-12 16:11:05,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:11:06,013 INFO L225 Difference]: With dead ends: 20848 [2022-07-12 16:11:06,013 INFO L226 Difference]: Without dead ends: 12035 [2022-07-12 16:11:06,058 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 [2022-07-12 16:11:06,060 INFO L413 NwaCegarLoop]: 8453 mSDtfsCounter, 3805 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:11:06,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 13029 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:11:06,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2022-07-12 16:11:06,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 12029. [2022-07-12 16:11:06,726 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) [2022-07-12 16:11:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12029 states to 12029 states and 16830 transitions. [2022-07-12 16:11:06,929 INFO L78 Accepts]: Start accepts. Automaton has 12029 states and 16830 transitions. Word has length 282 [2022-07-12 16:11:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:06,930 INFO L495 AbstractCegarLoop]: Abstraction has 12029 states and 16830 transitions. [2022-07-12 16:11:06,930 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) [2022-07-12 16:11:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12029 states and 16830 transitions. [2022-07-12 16:11:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-12 16:11:06,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:06,952 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] [2022-07-12 16:11:07,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:07,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:07,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:07,154 INFO L85 PathProgramCache]: Analyzing trace with hash 555212710, now seen corresponding path program 1 times [2022-07-12 16:11:07,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:07,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15388519] [2022-07-12 16:11:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:07,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:07,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:07,161 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) [2022-07-12 16:11:07,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:11:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:11,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:11:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-12 16:11:11,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:11,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:11,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15388519] [2022-07-12 16:11:11,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15388519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:11,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:11,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:11:11,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608225540] [2022-07-12 16:11:11,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:11,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:11:11,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:11,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:11:11,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:11:11,581 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) [2022-07-12 16:11:12,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:11:12,654 INFO L93 Difference]: Finished difference Result 27192 states and 38055 transitions. [2022-07-12 16:11:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:11:12,655 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 [2022-07-12 16:11:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:11:12,721 INFO L225 Difference]: With dead ends: 27192 [2022-07-12 16:11:12,722 INFO L226 Difference]: Without dead ends: 15200 [2022-07-12 16:11:12,760 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 [2022-07-12 16:11:12,762 INFO L413 NwaCegarLoop]: 8462 mSDtfsCounter, 3817 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 13045 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:11:12,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 13045 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:11:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15200 states. [2022-07-12 16:11:13,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15200 to 15194. [2022-07-12 16:11:13,477 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) [2022-07-12 16:11:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15194 states to 15194 states and 21252 transitions. [2022-07-12 16:11:13,547 INFO L78 Accepts]: Start accepts. Automaton has 15194 states and 21252 transitions. Word has length 356 [2022-07-12 16:11:13,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:13,548 INFO L495 AbstractCegarLoop]: Abstraction has 15194 states and 21252 transitions. [2022-07-12 16:11:13,549 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) [2022-07-12 16:11:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 15194 states and 21252 transitions. [2022-07-12 16:11:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-12 16:11:13,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:13,558 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] [2022-07-12 16:11:13,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:13,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:13,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:13,779 INFO L85 PathProgramCache]: Analyzing trace with hash -342180568, now seen corresponding path program 1 times [2022-07-12 16:11:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:13,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173657224] [2022-07-12 16:11:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:13,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:13,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:13,785 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) [2022-07-12 16:11:13,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:11:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:17,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:11:17,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-12 16:11:18,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:18,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:18,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173657224] [2022-07-12 16:11:18,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173657224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:18,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:18,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:11:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136436718] [2022-07-12 16:11:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:18,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:11:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:11:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:11:18,064 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) [2022-07-12 16:11:19,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:11:19,083 INFO L93 Difference]: Finished difference Result 34965 states and 48895 transitions. [2022-07-12 16:11:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:11:19,083 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 [2022-07-12 16:11:19,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:11:19,161 INFO L225 Difference]: With dead ends: 34965 [2022-07-12 16:11:19,162 INFO L226 Difference]: Without dead ends: 19808 [2022-07-12 16:11:19,208 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 [2022-07-12 16:11:19,209 INFO L413 NwaCegarLoop]: 8326 mSDtfsCounter, 4215 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4215 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:11:19,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4215 Valid, 12571 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:11:19,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19808 states. [2022-07-12 16:11:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19808 to 19802. [2022-07-12 16:11:20,076 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) [2022-07-12 16:11:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 27664 transitions. [2022-07-12 16:11:20,152 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 27664 transitions. Word has length 356 [2022-07-12 16:11:20,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:20,152 INFO L495 AbstractCegarLoop]: Abstraction has 19802 states and 27664 transitions. [2022-07-12 16:11:20,153 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) [2022-07-12 16:11:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 27664 transitions. [2022-07-12 16:11:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-12 16:11:20,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:20,161 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] [2022-07-12 16:11:20,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:20,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:20,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1417313468, now seen corresponding path program 1 times [2022-07-12 16:11:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:20,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713149903] [2022-07-12 16:11:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:20,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:20,381 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) [2022-07-12 16:11:20,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:11:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:24,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:11:24,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-12 16:11:24,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:24,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:24,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713149903] [2022-07-12 16:11:24,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713149903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:24,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:24,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:11:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769684827] [2022-07-12 16:11:24,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:24,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:11:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:24,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:11:24,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:11:24,838 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) [2022-07-12 16:11:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:11:25,897 INFO L93 Difference]: Finished difference Result 42737 states and 59725 transitions. [2022-07-12 16:11:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:11:25,898 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 [2022-07-12 16:11:25,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:11:26,113 INFO L225 Difference]: With dead ends: 42737 [2022-07-12 16:11:26,113 INFO L226 Difference]: Without dead ends: 22972 [2022-07-12 16:11:26,153 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 [2022-07-12 16:11:26,154 INFO L413 NwaCegarLoop]: 7524 mSDtfsCounter, 3819 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 12106 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:11:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 12106 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:11:26,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22972 states. [2022-07-12 16:11:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22972 to 22966. [2022-07-12 16:11:26,881 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) [2022-07-12 16:11:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22966 states to 22966 states and 32086 transitions. [2022-07-12 16:11:26,960 INFO L78 Accepts]: Start accepts. Automaton has 22966 states and 32086 transitions. Word has length 414 [2022-07-12 16:11:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:26,962 INFO L495 AbstractCegarLoop]: Abstraction has 22966 states and 32086 transitions. [2022-07-12 16:11:26,962 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) [2022-07-12 16:11:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 22966 states and 32086 transitions. [2022-07-12 16:11:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-12 16:11:26,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:26,969 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] [2022-07-12 16:11:27,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:27,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:27,184 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:27,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:27,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1980260550, now seen corresponding path program 1 times [2022-07-12 16:11:27,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:27,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305277493] [2022-07-12 16:11:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:27,196 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) [2022-07-12 16:11:27,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:11:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:31,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:11:31,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-12 16:11:31,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:31,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:31,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305277493] [2022-07-12 16:11:31,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305277493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:31,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:31,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:11:31,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093292213] [2022-07-12 16:11:31,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:31,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:11:31,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:11:31,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:11:31,748 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) [2022-07-12 16:11:32,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:11:32,935 INFO L93 Difference]: Finished difference Result 49097 states and 68611 transitions. [2022-07-12 16:11:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:11:32,935 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 [2022-07-12 16:11:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:11:33,044 INFO L225 Difference]: With dead ends: 49097 [2022-07-12 16:11:33,044 INFO L226 Difference]: Without dead ends: 26168 [2022-07-12 16:11:33,119 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 [2022-07-12 16:11:33,121 INFO L413 NwaCegarLoop]: 8465 mSDtfsCounter, 3838 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 13048 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:11:33,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 13048 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:11:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26168 states. [2022-07-12 16:11:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26168 to 26162. [2022-07-12 16:11:34,115 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) [2022-07-12 16:11:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26162 states to 26162 states and 36548 transitions. [2022-07-12 16:11:34,214 INFO L78 Accepts]: Start accepts. Automaton has 26162 states and 36548 transitions. Word has length 414 [2022-07-12 16:11:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:11:34,215 INFO L495 AbstractCegarLoop]: Abstraction has 26162 states and 36548 transitions. [2022-07-12 16:11:34,215 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) [2022-07-12 16:11:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 26162 states and 36548 transitions. [2022-07-12 16:11:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-12 16:11:34,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:11:34,224 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] [2022-07-12 16:11:34,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:11:34,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:11:34,451 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:11:34,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:11:34,452 INFO L85 PathProgramCache]: Analyzing trace with hash -544375116, now seen corresponding path program 1 times [2022-07-12 16:11:34,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:11:34,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158300838] [2022-07-12 16:11:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:11:34,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:11:34,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:11:34,457 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) [2022-07-12 16:11:34,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:11:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:11:38,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 5007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 16:11:38,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:11:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-07-12 16:11:40,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:11:40,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:11:40,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158300838] [2022-07-12 16:11:40,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158300838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:11:40,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:11:40,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 16:11:40,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082652615] [2022-07-12 16:11:40,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:11:40,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 16:11:40,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:11:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 16:11:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:11:40,258 INFO L87 Difference]: Start difference. First operand 26162 states and 36548 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-07-12 16:12:30,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:12:30,738 INFO L93 Difference]: Finished difference Result 77572 states and 108759 transitions. [2022-07-12 16:12:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 16:12:30,739 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) Word has length 455 [2022-07-12 16:12:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:12:30,932 INFO L225 Difference]: With dead ends: 77572 [2022-07-12 16:12:30,933 INFO L226 Difference]: Without dead ends: 51417 [2022-07-12 16:12:31,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-07-12 16:12:31,008 INFO L413 NwaCegarLoop]: 9129 mSDtfsCounter, 8017 mSDsluCounter, 72090 mSDsCounter, 0 mSdLazyCounter, 6130 mSolverCounterSat, 1121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8049 SdHoareTripleChecker+Valid, 81219 SdHoareTripleChecker+Invalid, 7251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1121 IncrementalHoareTripleChecker+Valid, 6130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:12:31,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8049 Valid, 81219 Invalid, 7251 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1121 Valid, 6130 Invalid, 0 Unknown, 0 Unchecked, 47.2s Time] [2022-07-12 16:12:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51417 states. [2022-07-12 16:12:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51417 to 47054. [2022-07-12 16:12:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47054 states, 31746 states have (on average 1.2393057393057394) internal successors, (39343), 32172 states have internal predecessors, (39343), 13209 states have call successors, (13209), 2098 states have call predecessors, (13209), 2097 states have return successors, (13210), 13088 states have call predecessors, (13210), 13209 states have call successors, (13210) [2022-07-12 16:12:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47054 states to 47054 states and 65762 transitions. [2022-07-12 16:12:33,326 INFO L78 Accepts]: Start accepts. Automaton has 47054 states and 65762 transitions. Word has length 455 [2022-07-12 16:12:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:12:33,327 INFO L495 AbstractCegarLoop]: Abstraction has 47054 states and 65762 transitions. [2022-07-12 16:12:33,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-07-12 16:12:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 47054 states and 65762 transitions. [2022-07-12 16:12:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-12 16:12:33,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:12:33,340 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:12:33,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 16:12:33,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:12:33,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:12:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:12:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash -428851939, now seen corresponding path program 1 times [2022-07-12 16:12:33,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:12:33,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052729431] [2022-07-12 16:12:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:12:33,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:12:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:12:33,557 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:12:33,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 16:12:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:38,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 5053 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 16:12:38,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:12:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2022-07-12 16:12:38,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:12:38,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:12:38,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052729431] [2022-07-12 16:12:38,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052729431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:12:38,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:12:38,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:12:38,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801927258] [2022-07-12 16:12:38,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:12:38,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:12:38,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:12:38,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:12:38,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:12:38,328 INFO L87 Difference]: Start difference. First operand 47054 states and 65762 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-12 16:12:40,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:12:41,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:12:41,928 INFO L93 Difference]: Finished difference Result 105037 states and 147867 transitions. [2022-07-12 16:12:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:12:41,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 472 [2022-07-12 16:12:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:12:42,359 INFO L225 Difference]: With dead ends: 105037 [2022-07-12 16:12:42,359 INFO L226 Difference]: Without dead ends: 58020 [2022-07-12 16:12:42,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:12:42,459 INFO L413 NwaCegarLoop]: 5121 mSDtfsCounter, 898 mSDsluCounter, 20005 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 25126 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:12:42,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 25126 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 16:12:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58020 states.