./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:40:00,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:40:00,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:40:00,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:40:00,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:40:00,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:40:00,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:40:00,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:40:00,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:40:00,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:40:00,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:40:00,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:40:00,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:40:00,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:40:00,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:40:00,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:40:00,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:40:00,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:40:00,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:40:00,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:40:00,187 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:40:00,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:40:00,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:40:00,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:40:00,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:40:00,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:40:00,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:40:00,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:40:00,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:40:00,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:40:00,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:40:00,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:40:00,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:40:00,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:40:00,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:40:00,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:40:00,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:40:00,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:40:00,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:40:00,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:40:00,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:40:00,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:40:00,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:40:00,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:40:00,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:40:00,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:40:00,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:40:00,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:40:00,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:40:00,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:40:00,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:40:00,229 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:40:00,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:40:00,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:40:00,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:40:00,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:40:00,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:40:00,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:40:00,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:40:00,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:40:00,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:40:00,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:40:00,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-12 16:40:00,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:40:00,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:40:00,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:40:00,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:40:00,434 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:40:00,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:40:00,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae0babb4/d504dc874f1d4f5497d397fb193eb798/FLAGc1683cc44 [2022-07-12 16:40:01,235 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:40:01,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:40:01,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae0babb4/d504dc874f1d4f5497d397fb193eb798/FLAGc1683cc44 [2022-07-12 16:40:01,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae0babb4/d504dc874f1d4f5497d397fb193eb798 [2022-07-12 16:40:01,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:40:01,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:40:01,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:40:01,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:40:01,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:40:01,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:40:01" (1/1) ... [2022-07-12 16:40:01,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc0161d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:01, skipping insertion in model container [2022-07-12 16:40:01,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:40:01" (1/1) ... [2022-07-12 16:40:01,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:40:01,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:40:04,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-12 16:40:04,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-12 16:40:04,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:40:04,851 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:40:05,067 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 16:40:05,087 INFO L158 Benchmark]: Toolchain (without parser) took 3567.20ms. Allocated memory was 102.8MB in the beginning and 224.4MB in the end (delta: 121.6MB). Free memory was 68.2MB in the beginning and 92.8MB in the end (delta: -24.6MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2022-07-12 16:40:05,088 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:40:05,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3564.72ms. Allocated memory was 102.8MB in the beginning and 224.4MB in the end (delta: 121.6MB). Free memory was 67.9MB in the beginning and 92.8MB in the end (delta: -24.9MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2022-07-12 16:40:05,090 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 102.8MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3564.72ms. Allocated memory was 102.8MB in the beginning and 224.4MB in the end (delta: 121.6MB). Free memory was 67.9MB in the beginning and 92.8MB in the end (delta: -24.9MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:40:06,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:40:06,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:40:06,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:40:06,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:40:06,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:40:06,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:40:06,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:40:06,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:40:06,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:40:06,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:40:06,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:40:06,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:40:06,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:40:06,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:40:06,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:40:06,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:40:06,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:40:06,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:40:06,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:40:06,684 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:40:06,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:40:06,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:40:06,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:40:06,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:40:06,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:40:06,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:40:06,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:40:06,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:40:06,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:40:06,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:40:06,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:40:06,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:40:06,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:40:06,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:40:06,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:40:06,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:40:06,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:40:06,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:40:06,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:40:06,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:40:06,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:40:06,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:40:06,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:40:06,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:40:06,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:40:06,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:40:06,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:40:06,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:40:06,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:40:06,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:40:06,743 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:40:06,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:40:06,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:40:06,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:40:06,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:40:06,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:40:06,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:40:06,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:40:06,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:40:06,746 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:40:06,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:40:06,747 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:40:06,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:40:06,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:40:06,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:40:06,747 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-12 16:40:07,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:40:07,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:40:07,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:40:07,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:40:07,035 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:40:07,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:40:07,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4643cbc/da8d8bad62d14c7ba086a01c026d9b4b/FLAGd37c499ed [2022-07-12 16:40:07,866 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:40:07,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:40:07,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4643cbc/da8d8bad62d14c7ba086a01c026d9b4b/FLAGd37c499ed [2022-07-12 16:40:08,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4643cbc/da8d8bad62d14c7ba086a01c026d9b4b [2022-07-12 16:40:08,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:40:08,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:40:08,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:40:08,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:40:08,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:40:08,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:40:08" (1/1) ... [2022-07-12 16:40:08,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb2ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:08, skipping insertion in model container [2022-07-12 16:40:08,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:40:08" (1/1) ... [2022-07-12 16:40:08,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:40:08,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:40:12,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-12 16:40:12,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-12 16:40:12,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:40:12,539 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:40:12,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:40:12,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-12 16:40:12,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-12 16:40:12,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:40:12,952 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:40:13,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-12 16:40:13,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-12 16:40:13,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:40:13,705 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:40:13,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13 WrapperNode [2022-07-12 16:40:13,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:40:13,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:40:13,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:40:13,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:40:13,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:13,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,173 INFO L137 Inliner]: procedures = 588, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 11901 [2022-07-12 16:40:14,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:40:14,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:40:14,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:40:14,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:40:14,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:40:14,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:40:14,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:40:14,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:40:14,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (1/1) ... [2022-07-12 16:40:14,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:40:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:40:14,617 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 16:40:14,635 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 16:40:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:40:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:40:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:40:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:40:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:40:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:40:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-12 16:40:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-12 16:40:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:40:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:40:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-12 16:40:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-12 16:40:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:40:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:40:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:40:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:40:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 16:40:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 16:40:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:40:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:40:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-12 16:40:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-12 16:40:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-12 16:40:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-12 16:40:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:40:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-12 16:40:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-12 16:40:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-12 16:40:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:40:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:40:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-12 16:40:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-12 16:40:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:40:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:40:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-12 16:40:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-12 16:40:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:40:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:40:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:40:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:40:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:40:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:40:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:40:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:40:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-12 16:40:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-12 16:40:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:40:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:40:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:40:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:40:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:40:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:40:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:40:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:40:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:40:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:40:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:40:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-12 16:40:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:40:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:40:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-12 16:40:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-12 16:40:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:40:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:40:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-12 16:40:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-12 16:40:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-12 16:40:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-12 16:40:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:40:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:40:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-12 16:40:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-12 16:40:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:40:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:40:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-12 16:40:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-12 16:40:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-12 16:40:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-12 16:40:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:40:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:40:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-12 16:40:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-12 16:40:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:40:14,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:40:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 16:40:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 16:40:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:40:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:40:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:40:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:40:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 16:40:14,660 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 16:40:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:40:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:40:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:40:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:40:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:40:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:40:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-12 16:40:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-12 16:40:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 16:40:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 16:40:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:40:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:40:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-12 16:40:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-12 16:40:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-12 16:40:14,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-12 16:40:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-12 16:40:14,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-12 16:40:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:40:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:40:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:40:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:40:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:40:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:40:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:40:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:40:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:40:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:40:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:40:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:40:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:40:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:40:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:40:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:40:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:40:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:40:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-12 16:40:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-12 16:40:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-12 16:40:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-12 16:40:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:40:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:40:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:40:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:40:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-12 16:40:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-12 16:40:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:40:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:40:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-12 16:40:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-12 16:40:14,673 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 16:40:14,674 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 16:40:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-12 16:40:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-12 16:40:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-12 16:40:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-12 16:40:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:40:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:40:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:40:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:40:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:40:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:40:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-12 16:40:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-12 16:40:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-12 16:40:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-12 16:40:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-12 16:40:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-12 16:40:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 16:40:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 16:40:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:40:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-12 16:40:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:40:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 16:40:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:40:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:40:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:40:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:40:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:40:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:40:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:40:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:40:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-12 16:40:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-12 16:40:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:40:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:40:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:40:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-12 16:40:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:40:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:40:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:40:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:40:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:40:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:40:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-12 16:40:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-12 16:40:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-12 16:40:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-12 16:40:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 16:40:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:40:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:40:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:40:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:40:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:40:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:40:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 16:40:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:40:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:40:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:40:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:40:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:40:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:40:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:40:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:40:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:40:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-12 16:40:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-12 16:40:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-12 16:40:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-12 16:40:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 16:40:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 16:40:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-12 16:40:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-12 16:40:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:40:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:40:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:40:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:40:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 16:40:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 16:40:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:40:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:40:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:40:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:40:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:40:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-12 16:40:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 16:40:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:40:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-12 16:40:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:40:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-12 16:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-12 16:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-12 16:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-12 16:40:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-12 16:40:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-12 16:40:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:40:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-12 16:40:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-12 16:40:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-12 16:40:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-12 16:40:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-12 16:40:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-12 16:40:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-12 16:40:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-12 16:40:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:40:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:40:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:40:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:40:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:40:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:40:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 16:40:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 16:40:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:40:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:40:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 16:40:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-12 16:40:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-12 16:40:15,665 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:40:15,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:40:16,681 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:42:22,685 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:42:22,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:42:22,700 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 16:42:22,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:42:22 BoogieIcfgContainer [2022-07-12 16:42:22,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:42:22,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:42:22,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:42:22,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:42:22,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:40:08" (1/3) ... [2022-07-12 16:42:22,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821c4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:42:22, skipping insertion in model container [2022-07-12 16:42:22,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:40:13" (2/3) ... [2022-07-12 16:42:22,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821c4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:42:22, skipping insertion in model container [2022-07-12 16:42:22,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:42:22" (3/3) ... [2022-07-12 16:42:22,709 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-12 16:42:22,718 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:42:22,718 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 16:42:22,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:42:22,782 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@1a4d33f0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b776654 [2022-07-12 16:42:22,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 16:42:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-07-12 16:42:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-12 16:42:22,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:22,807 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:42:22,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:42:22,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:22,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1574577654, now seen corresponding path program 1 times [2022-07-12 16:42:22,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:42:22,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086975678] [2022-07-12 16:42:22,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:22,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:42:22,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:42:22,849 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 16:42:22,850 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 16:42:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:26,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 16:42:26,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:42:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-12 16:42:30,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:42:30,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:42:30,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086975678] [2022-07-12 16:42:30,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086975678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:30,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:30,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 16:42:30,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782431491] [2022-07-12 16:42:30,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:30,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 16:42:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:42:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 16:42:30,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-12 16:42:30,407 INFO L87 Difference]: Start difference. First operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-12 16:42:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:36,705 INFO L93 Difference]: Finished difference Result 6178 states and 8817 transitions. [2022-07-12 16:42:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 16:42:36,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 163 [2022-07-12 16:42:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:36,745 INFO L225 Difference]: With dead ends: 6178 [2022-07-12 16:42:36,745 INFO L226 Difference]: Without dead ends: 3021 [2022-07-12 16:42:36,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-07-12 16:42:36,842 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 932 mSDsluCounter, 37619 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 41944 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:36,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 41944 Invalid, 453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 16:42:36,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-12 16:42:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 3019. [2022-07-12 16:42:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2024 states have (on average 1.240612648221344) internal successors, (2511), 2064 states have internal predecessors, (2511), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-12 16:42:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2022-07-12 16:42:37,068 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2022-07-12 16:42:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:37,070 INFO L495 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2022-07-12 16:42:37,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-12 16:42:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2022-07-12 16:42:37,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-12 16:42:37,081 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:37,081 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:42:37,162 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 16:42:37,346 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 16:42:37,346 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 16:42:37,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:37,347 INFO L85 PathProgramCache]: Analyzing trace with hash -946400979, now seen corresponding path program 1 times [2022-07-12 16:42:37,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:42:37,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132221369] [2022-07-12 16:42:37,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:37,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:42:37,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:42:37,353 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 16:42:37,355 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 16:42:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:41,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 16:42:41,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:42:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-12 16:42:43,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:42:43,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:42:43,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132221369] [2022-07-12 16:42:43,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132221369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:43,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:43,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 16:42:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430680068] [2022-07-12 16:42:43,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:43,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 16:42:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:42:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 16:42:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:42:43,398 INFO L87 Difference]: Start difference. First operand 3019 states and 4233 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-12 16:42:51,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:51,127 INFO L93 Difference]: Finished difference Result 7763 states and 11052 transitions. [2022-07-12 16:42:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:42:51,132 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 167 [2022-07-12 16:42:51,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:51,161 INFO L225 Difference]: With dead ends: 7763 [2022-07-12 16:42:51,161 INFO L226 Difference]: Without dead ends: 4760 [2022-07-12 16:42:51,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-07-12 16:42:51,179 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 2465 mSDsluCounter, 53843 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 59578 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:51,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 59578 Invalid, 1268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [753 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-12 16:42:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2022-07-12 16:42:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 3027. [2022-07-12 16:42:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 2030 states have (on average 1.2399014778325124) internal successors, (2517), 2070 states have internal predecessors, (2517), 863 states have call successors, (863), 132 states have call predecessors, (863), 132 states have return successors, (863), 850 states have call predecessors, (863), 863 states have call successors, (863) [2022-07-12 16:42:51,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4243 transitions. [2022-07-12 16:42:51,333 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4243 transitions. Word has length 167 [2022-07-12 16:42:51,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:51,334 INFO L495 AbstractCegarLoop]: Abstraction has 3027 states and 4243 transitions. [2022-07-12 16:42:51,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-12 16:42:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4243 transitions. [2022-07-12 16:42:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-12 16:42:51,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:51,337 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:42:51,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 16:42:51,537 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 16:42:51,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:42:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash -412601518, now seen corresponding path program 1 times [2022-07-12 16:42:51,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:42:51,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823611325] [2022-07-12 16:42:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:42:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:42:51,545 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 16:42:51,547 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 16:42:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:56,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 16:42:56,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:42:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-07-12 16:42:56,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:42:56,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:42:56,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823611325] [2022-07-12 16:42:56,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823611325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:56,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:56,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:42:56,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555975044] [2022-07-12 16:42:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:56,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:42:56,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:42:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:42:56,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:42:56,413 INFO L87 Difference]: Start difference. First operand 3027 states and 4243 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 16:42:58,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:42:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:58,562 INFO L93 Difference]: Finished difference Result 6143 states and 8623 transitions. [2022-07-12 16:42:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:42:58,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2022-07-12 16:42:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:58,586 INFO L225 Difference]: With dead ends: 6143 [2022-07-12 16:42:58,586 INFO L226 Difference]: Without dead ends: 3133 [2022-07-12 16:42:58,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:42:58,607 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 98 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 21247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:58,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 21247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 16:42:58,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-07-12 16:42:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3032. [2022-07-12 16:42:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-12 16:42:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-12 16:42:58,766 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 184 [2022-07-12 16:42:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:58,766 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-12 16:42:58,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 16:42:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-12 16:42:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 16:42:58,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:58,769 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:42:58,835 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 16:42:58,983 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 16:42:58,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:42:58,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1357205182, now seen corresponding path program 1 times [2022-07-12 16:42:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:42:58,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37669378] [2022-07-12 16:42:58,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:58,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:42:58,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:42:58,988 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 16:42:58,989 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 16:43:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:03,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 16:43:03,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:43:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-12 16:43:04,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:43:04,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:43:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37669378] [2022-07-12 16:43:04,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37669378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:43:04,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:43:04,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 16:43:04,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501525946] [2022-07-12 16:43:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:43:04,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 16:43:04,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:43:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 16:43:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-12 16:43:04,938 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-12 16:43:11,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:43:17,228 WARN L534 Checker$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 16:43:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:17,774 INFO L93 Difference]: Finished difference Result 7797 states and 11096 transitions. [2022-07-12 16:43:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 16:43:17,775 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 187 [2022-07-12 16:43:17,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:17,802 INFO L225 Difference]: With dead ends: 7797 [2022-07-12 16:43:17,802 INFO L226 Difference]: Without dead ends: 4781 [2022-07-12 16:43:17,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2022-07-12 16:43:17,816 INFO L413 NwaCegarLoop]: 5723 mSDtfsCounter, 2485 mSDsluCounter, 59395 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 796 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 65118 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:17,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 65118 Invalid, 1389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [796 Valid, 591 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-07-12 16:43:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2022-07-12 16:43:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 3032. [2022-07-12 16:43:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-12 16:43:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-12 16:43:17,958 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 187 [2022-07-12 16:43:17,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:17,958 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-12 16:43:17,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-12 16:43:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-12 16:43:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-12 16:43:17,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:17,962 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 16:43:18,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 16:43:18,179 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 16:43:18,179 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 16:43:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 990587220, now seen corresponding path program 1 times [2022-07-12 16:43:18,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:43:18,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601390577] [2022-07-12 16:43:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:18,184 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:43:18,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:43:18,185 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 16:43:18,186 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 16:43:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:47,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 20587 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 16:43:47,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:43:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-07-12 16:43:47,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:43:47,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:43:47,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601390577] [2022-07-12 16:43:47,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601390577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:43:47,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:43:47,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:43:47,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541380664] [2022-07-12 16:43:47,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:43:47,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:43:47,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:43:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:43:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:43:47,664 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-12 16:43:50,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:43:51,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:43:51,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:51,472 INFO L93 Difference]: Finished difference Result 6100 states and 8551 transitions. [2022-07-12 16:43:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:43:51,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 303 [2022-07-12 16:43:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:51,491 INFO L225 Difference]: With dead ends: 6100 [2022-07-12 16:43:51,492 INFO L226 Difference]: Without dead ends: 3085 [2022-07-12 16:43:51,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:43:51,505 INFO L413 NwaCegarLoop]: 4286 mSDtfsCounter, 83 mSDsluCounter, 12700 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 16986 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:51,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 16986 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 16:43:51,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2022-07-12 16:43:51,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 3035. [2022-07-12 16:43:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 2037 states have (on average 1.2390770741286206) internal successors, (2524), 2077 states have internal predecessors, (2524), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-12 16:43:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4252 transitions. [2022-07-12 16:43:51,620 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4252 transitions. Word has length 303 [2022-07-12 16:43:51,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:51,620 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4252 transitions. [2022-07-12 16:43:51,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-12 16:43:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4252 transitions. [2022-07-12 16:43:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-12 16:43:51,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:51,624 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 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 16:43:51,834 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 16:43:51,839 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 16:43:51,839 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 16:43:51,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:51,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1038498589, now seen corresponding path program 1 times [2022-07-12 16:43:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:43:51,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113397794] [2022-07-12 16:43:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:43:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:43:51,845 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 16:43:51,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process