./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN --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 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:17:49,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:17:49,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:17:49,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:17:49,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:17:49,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:17:49,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:17:49,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:17:49,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:17:49,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:17:49,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:17:49,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:17:49,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:17:49,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:17:49,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:17:49,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:17:49,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:17:49,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:17:49,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:17:49,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:17:49,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:17:49,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:17:49,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:17:49,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:17:49,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:17:49,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:17:49,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:17:49,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:17:49,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:17:49,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:17:49,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:17:49,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:17:49,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:17:49,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:17:49,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:17:49,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:17:49,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:17:49,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:17:49,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:17:49,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:17:49,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:17:49,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:17:49,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:17:49,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:17:49,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:17:49,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:17:49,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:17:49,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:17:49,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:17:49,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:17:49,944 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:17:49,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:17:49,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:17:49,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:17:49,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:17:49,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:17:49,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:17:49,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:17:49,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:17:49,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:17:49,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:17:49,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:17:49,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:17:49,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:49,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:17:49,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:17:49,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:17:49,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:17:49,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:17:49,957 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:17:49,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:17:49,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:17:49,957 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2022-11-20 11:17:50,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:17:50,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:17:50,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:17:50,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:17:50,286 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:17:50,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-20 11:17:53,286 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:17:54,288 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:17:54,289 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-20 11:17:54,404 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/344f2c88c/e3bd412285a744b58c1855baffabf35b/FLAG735ccc429 [2022-11-20 11:17:54,420 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/344f2c88c/e3bd412285a744b58c1855baffabf35b [2022-11-20 11:17:54,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:17:54,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:17:54,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:54,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:17:54,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:17:54,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:54" (1/1) ... [2022-11-20 11:17:54,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb69b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:54, skipping insertion in model container [2022-11-20 11:17:54,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:54" (1/1) ... [2022-11-20 11:17:54,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:17:54,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:17:55,455 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 11:17:55,461 INFO L158 Benchmark]: Toolchain (without parser) took 1035.16ms. Allocated memory is still 165.7MB. Free memory was 104.9MB in the beginning and 77.6MB in the end (delta: 27.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2022-11-20 11:17:55,461 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:17:55,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.74ms. Allocated memory is still 165.7MB. Free memory was 104.9MB in the beginning and 77.6MB in the end (delta: 27.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2022-11-20 11:17:55,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.74ms. Allocated memory is still 165.7MB. Free memory was 104.9MB in the beginning and 77.6MB in the end (delta: 27.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN --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 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:17:57,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:17:57,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:17:57,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:17:57,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:17:57,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:17:57,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:17:57,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:17:57,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:17:57,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:17:57,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:17:57,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:17:57,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:17:57,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:17:57,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:17:57,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:17:57,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:17:57,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:17:57,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:17:57,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:17:57,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:17:57,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:17:57,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:17:57,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:17:57,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:17:57,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:17:57,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:17:57,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:17:57,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:17:57,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:17:57,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:17:57,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:17:57,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:17:57,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:17:57,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:17:57,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:17:57,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:17:57,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:17:57,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:17:57,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:17:57,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:17:57,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:17:57,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:17:57,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:17:57,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:17:57,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:17:57,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:17:57,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:17:57,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:17:57,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:17:57,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:17:57,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:17:57,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:17:57,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:17:57,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:17:57,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:17:57,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:17:57,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:17:57,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:17:57,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:17:57,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:57,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:17:57,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:17:57,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:17:57,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:17:57,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:17:57,981 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:17:57,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:17:57,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:17:57,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:17:57,982 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2022-11-20 11:17:58,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:17:58,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:17:58,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:17:58,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:17:58,412 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:17:58,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-20 11:18:01,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:18:02,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:18:02,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-20 11:18:02,844 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/d08829cae/3e34ea8f9789435996e4f396e5493757/FLAG032f07c18 [2022-11-20 11:18:02,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/data/d08829cae/3e34ea8f9789435996e4f396e5493757 [2022-11-20 11:18:02,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:18:02,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:18:02,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:02,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:18:02,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:18:02,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:02" (1/1) ... [2022-11-20 11:18:02,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3036ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:02, skipping insertion in model container [2022-11-20 11:18:02,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:02" (1/1) ... [2022-11-20 11:18:02,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:18:03,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:18:11,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-20 11:18:11,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:18:11,562 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:18:11,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:18:12,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-20 11:18:12,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:18:12,748 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:18:13,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-20 11:18:13,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:18:14,266 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:18:14,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14 WrapperNode [2022-11-20 11:18:14,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:14,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:18:14,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:18:14,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:18:14,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:14,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:15,269 INFO L138 Inliner]: procedures = 730, calls = 14317, calls flagged for inlining = 321, calls inlined = 272, statements flattened = 25103 [2022-11-20 11:18:15,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:18:15,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:18:15,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:18:15,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:18:15,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:15,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:15,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:15,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:18:16,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:18:16,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:18:16,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:18:16,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (1/1) ... [2022-11-20 11:18:16,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:18:16,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:16,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:16,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:18:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 11:18:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 11:18:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-20 11:18:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-20 11:18:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 11:18:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 11:18:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-20 11:18:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-20 11:18:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-20 11:18:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-20 11:18:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 11:18:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 11:18:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:18:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:18:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2022-11-20 11:18:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2022-11-20 11:18:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-20 11:18:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-20 11:18:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 11:18:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 11:18:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:18:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:18:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 11:18:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 11:18:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-20 11:18:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-20 11:18:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 11:18:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 11:18:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:18:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:18:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-20 11:18:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-20 11:18:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-20 11:18:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-20 11:18:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-20 11:18:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-20 11:18:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 11:18:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 11:18:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 11:18:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 11:18:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 11:18:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 11:18:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-20 11:18:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-20 11:18:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-20 11:18:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-20 11:18:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 11:18:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 11:18:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-20 11:18:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-20 11:18:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 11:18:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 11:18:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:18:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:18:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-20 11:18:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-20 11:18:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-20 11:18:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-20 11:18:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 11:18:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 11:18:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-20 11:18:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-20 11:18:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-20 11:18:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-20 11:18:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 11:18:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 11:18:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-20 11:18:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-20 11:18:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2022-11-20 11:18:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2022-11-20 11:18:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-20 11:18:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-20 11:18:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:18:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:18:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 11:18:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 11:18:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 11:18:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 11:18:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:18:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:18:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:18:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:18:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 11:18:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 11:18:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:18:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:18:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:18:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-20 11:18:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-20 11:18:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:18:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:18:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:18:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-20 11:18:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-20 11:18:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-20 11:18:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-20 11:18:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:18:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 11:18:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 11:18:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 11:18:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 11:18:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:18:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:18:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-20 11:18:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-20 11:18:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-20 11:18:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-20 11:18:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-20 11:18:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-20 11:18:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-20 11:18:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-20 11:18:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:18:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:18:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:18:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:18:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-20 11:18:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-20 11:18:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-20 11:18:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-20 11:18:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-20 11:18:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-20 11:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-20 11:18:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-20 11:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-20 11:18:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-20 11:18:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-20 11:18:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-20 11:18:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:18:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:18:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-20 11:18:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-20 11:18:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-20 11:18:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-20 11:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:18:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:18:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-20 11:18:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-20 11:18:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-20 11:18:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-20 11:18:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-20 11:18:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-20 11:18:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:18:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:18:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-20 11:18:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-20 11:18:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-20 11:18:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-20 11:18:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-20 11:18:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-20 11:18:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-20 11:18:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-20 11:18:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 11:18:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 11:18:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-20 11:18:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-20 11:18:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:18:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:18:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-20 11:18:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-20 11:18:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-20 11:18:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-20 11:18:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 11:18:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 11:18:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:18:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:18:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 11:18:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 11:18:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-20 11:18:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-20 11:18:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2022-11-20 11:18:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2022-11-20 11:18:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 11:18:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 11:18:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-20 11:18:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-20 11:18:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-20 11:18:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-20 11:18:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 11:18:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 11:18:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2022-11-20 11:18:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2022-11-20 11:18:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:18:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-20 11:18:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-20 11:18:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-20 11:18:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 11:18:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 11:18:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:18:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 11:18:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:18:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-20 11:18:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:18:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:18:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:18:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 11:18:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 11:18:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2022-11-20 11:18:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2022-11-20 11:18:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-20 11:18:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-20 11:18:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 11:18:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 11:18:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-20 11:18:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-20 11:18:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-20 11:18:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-20 11:18:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:18:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:18:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-20 11:18:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-20 11:18:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-20 11:18:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-20 11:18:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-20 11:18:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-20 11:18:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 11:18:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 11:18:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 11:18:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 11:18:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:18:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:18:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-20 11:18:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-20 11:18:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 11:18:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 11:18:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-20 11:18:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-20 11:18:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-20 11:18:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-20 11:18:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-20 11:18:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-20 11:18:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-20 11:18:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-20 11:18:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 11:18:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 11:18:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 11:18:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 11:18:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-20 11:18:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-20 11:18:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 11:18:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 11:18:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-20 11:18:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-20 11:18:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:18:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:18:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:18:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:18:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-20 11:18:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-20 11:18:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-20 11:18:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-20 11:18:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:18:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-20 11:18:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-20 11:18:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 11:18:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 11:18:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:18:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:18:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-20 11:18:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-20 11:18:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 11:18:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 11:18:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 11:18:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 11:18:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:18:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-20 11:18:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-20 11:18:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-20 11:18:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-20 11:18:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 11:18:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 11:18:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-20 11:18:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-20 11:18:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:18:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:18:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 11:18:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 11:18:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2022-11-20 11:18:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2022-11-20 11:18:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2022-11-20 11:18:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2022-11-20 11:18:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 11:18:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 11:18:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-20 11:18:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-20 11:18:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:18:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:18:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 11:18:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 11:18:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 11:18:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:18:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:18:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-20 11:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-20 11:18:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2022-11-20 11:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2022-11-20 11:18:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 11:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 11:18:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 11:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 11:18:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:18:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-20 11:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-20 11:18:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:18:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:18:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-20 11:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-20 11:18:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 11:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 11:18:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-20 11:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-20 11:18:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:18:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-20 11:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-20 11:18:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-20 11:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-20 11:18:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:18:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-20 11:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-20 11:18:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 11:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 11:18:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-20 11:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-20 11:18:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-20 11:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-20 11:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 11:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 11:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 11:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 11:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 11:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 11:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:18:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 11:18:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 11:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 11:18:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 11:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-20 11:18:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-20 11:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 11:18:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 11:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2022-11-20 11:18:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2022-11-20 11:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-20 11:18:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-20 11:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2022-11-20 11:18:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2022-11-20 11:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-20 11:18:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-20 11:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 11:18:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 11:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-20 11:18:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-20 11:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-20 11:18:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-20 11:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-20 11:18:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-20 11:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-20 11:18:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-20 11:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2022-11-20 11:18:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2022-11-20 11:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-20 11:18:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-20 11:18:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-20 11:18:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-20 11:18:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-20 11:18:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-20 11:18:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-20 11:18:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-20 11:18:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 11:18:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 11:18:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-20 11:18:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-20 11:18:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 11:18:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 11:18:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-20 11:18:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-20 11:18:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 11:18:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 11:18:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 11:18:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 11:18:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-20 11:18:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-20 11:18:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-20 11:18:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-20 11:18:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:18:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:18:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-20 11:18:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-20 11:18:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-20 11:18:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-20 11:18:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-20 11:18:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-20 11:18:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-20 11:18:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-20 11:18:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_45 [2022-11-20 11:18:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_45 [2022-11-20 11:18:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-20 11:18:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-20 11:18:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-20 11:18:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-20 11:18:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-20 11:18:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-20 11:18:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 11:18:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 11:18:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-20 11:18:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-20 11:18:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:18:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:18:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-20 11:18:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-20 11:18:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 11:18:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 11:18:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-20 11:18:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-20 11:18:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-20 11:18:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-20 11:18:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-20 11:18:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-20 11:18:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 11:18:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 11:18:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:18:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:18:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-20 11:18:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-20 11:18:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 11:18:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 11:18:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:18:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:18:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-20 11:18:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-20 11:18:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-20 11:18:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-20 11:18:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2022-11-20 11:18:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2022-11-20 11:18:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2022-11-20 11:18:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2022-11-20 11:18:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-20 11:18:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-20 11:18:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-20 11:18:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:18:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:18:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-20 11:18:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-20 11:18:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 11:18:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 11:18:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-20 11:18:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-20 11:18:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 11:18:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 11:18:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-20 11:18:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-20 11:18:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 11:18:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 11:18:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 11:18:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 11:18:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 11:18:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 11:18:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-20 11:18:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-20 11:18:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-20 11:18:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-20 11:18:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2022-11-20 11:18:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2022-11-20 11:18:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 11:18:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 11:18:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-20 11:18:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-20 11:18:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-20 11:18:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-20 11:18:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-20 11:18:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-20 11:18:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 11:18:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 11:18:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 11:18:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 11:18:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-20 11:18:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-20 11:18:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-20 11:18:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-20 11:18:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-20 11:18:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-20 11:18:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-20 11:18:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-20 11:18:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-20 11:18:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-20 11:18:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-20 11:18:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-20 11:18:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 11:18:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 11:18:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 11:18:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 11:18:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-20 11:18:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-20 11:18:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 11:18:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 11:18:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:18:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:18:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-20 11:18:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-20 11:18:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:18:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:18:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 11:18:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 11:18:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2022-11-20 11:18:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2022-11-20 11:18:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:18:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:18:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2022-11-20 11:18:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2022-11-20 11:18:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 11:18:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 11:18:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-20 11:18:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-20 11:18:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 11:18:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2022-11-20 11:18:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2022-11-20 11:18:19,442 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:18:19,448 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:18:34,420 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:22:54,572 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:22:54,621 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:22:54,622 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 11:22:54,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:54 BoogieIcfgContainer [2022-11-20 11:22:54,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:22:54,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:22:54,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:22:54,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:22:54,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:02" (1/3) ... [2022-11-20 11:22:54,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fcfaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:54, skipping insertion in model container [2022-11-20 11:22:54,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:14" (2/3) ... [2022-11-20 11:22:54,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fcfaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:54, skipping insertion in model container [2022-11-20 11:22:54,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:54" (3/3) ... [2022-11-20 11:22:54,641 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-20 11:22:54,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:22:54,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:22:55,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:22:55,071 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1244018b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:22:55,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:22:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 8058 states, 5705 states have (on average 1.371603856266433) internal successors, (7825), 5803 states have internal predecessors, (7825), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) [2022-11-20 11:22:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:22:55,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:22:55,142 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:55,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:22:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash -2001536957, now seen corresponding path program 1 times [2022-11-20 11:22:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:22:55,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211879729] [2022-11-20 11:22:55,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:22:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:22:55,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:22:55,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:23:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:15,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 9912 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:23:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:23:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-11-20 11:23:15,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:23:15,153 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:23:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211879729] [2022-11-20 11:23:15,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211879729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:15,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:15,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:23:15,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076365593] [2022-11-20 11:23:15,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:15,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:23:15,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:23:15,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:23:15,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:23:15,212 INFO L87 Difference]: Start difference. First operand has 8058 states, 5705 states have (on average 1.371603856266433) internal successors, (7825), 5803 states have internal predecessors, (7825), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 11:23:15,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:23:15,823 INFO L93 Difference]: Finished difference Result 16105 states and 24193 transitions. [2022-11-20 11:23:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:23:15,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2022-11-20 11:23:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:23:15,935 INFO L225 Difference]: With dead ends: 16105 [2022-11-20 11:23:15,935 INFO L226 Difference]: Without dead ends: 8017 [2022-11-20 11:23:16,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:23:16,030 INFO L413 NwaCegarLoop]: 11994 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11994 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:23:16,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11994 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:23:16,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8017 states. [2022-11-20 11:23:16,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8017 to 8017. [2022-11-20 11:23:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8017 states, 5676 states have (on average 1.3678646934460887) internal successors, (7764), 5760 states have internal predecessors, (7764), 2087 states have call successors, (2087), 254 states have call predecessors, (2087), 253 states have return successors, (2085), 2079 states have call predecessors, (2085), 2085 states have call successors, (2085) [2022-11-20 11:23:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8017 states to 8017 states and 11936 transitions. [2022-11-20 11:23:16,755 INFO L78 Accepts]: Start accepts. Automaton has 8017 states and 11936 transitions. Word has length 208 [2022-11-20 11:23:16,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:23:16,758 INFO L495 AbstractCegarLoop]: Abstraction has 8017 states and 11936 transitions. [2022-11-20 11:23:16,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 11:23:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8017 states and 11936 transitions. [2022-11-20 11:23:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:23:16,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:16,780 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:16,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:23:17,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:17,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:23:17,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash 788827211, now seen corresponding path program 1 times [2022-11-20 11:23:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:17,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226321119] [2022-11-20 11:23:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:17,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:23:17,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:23:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:37,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 9912 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:23:37,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:23:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-11-20 11:23:37,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:23:37,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:23:37,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226321119] [2022-11-20 11:23:37,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226321119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:37,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:37,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:23:37,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790549971] [2022-11-20 11:23:37,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:37,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:23:37,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:23:37,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:23:37,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:23:37,398 INFO L87 Difference]: Start difference. First operand 8017 states and 11936 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 11:23:39,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:23:39,486 INFO L93 Difference]: Finished difference Result 16028 states and 23887 transitions. [2022-11-20 11:23:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:23:39,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 208 [2022-11-20 11:23:39,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:23:39,577 INFO L225 Difference]: With dead ends: 16028 [2022-11-20 11:23:39,577 INFO L226 Difference]: Without dead ends: 8020 [2022-11-20 11:23:39,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:23:39,640 INFO L413 NwaCegarLoop]: 11910 mSDtfsCounter, 6 mSDsluCounter, 47591 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 59501 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:23:39,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 59501 Invalid, 190 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 11:23:39,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8020 states. [2022-11-20 11:23:40,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8020 to 8020. [2022-11-20 11:23:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8020 states, 5678 states have (on average 1.3679112363508277) internal successors, (7767), 5763 states have internal predecessors, (7767), 2087 states have call successors, (2087), 254 states have call predecessors, (2087), 254 states have return successors, (2094), 2079 states have call predecessors, (2094), 2085 states have call successors, (2094) [2022-11-20 11:23:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8020 states to 8020 states and 11948 transitions. [2022-11-20 11:23:40,132 INFO L78 Accepts]: Start accepts. Automaton has 8020 states and 11948 transitions. Word has length 208 [2022-11-20 11:23:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:23:40,133 INFO L495 AbstractCegarLoop]: Abstraction has 8020 states and 11948 transitions. [2022-11-20 11:23:40,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-20 11:23:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 8020 states and 11948 transitions. [2022-11-20 11:23:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 11:23:40,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:40,140 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:40,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:23:40,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:40,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:23:40,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:40,363 INFO L85 PathProgramCache]: Analyzing trace with hash -300134126, now seen corresponding path program 1 times [2022-11-20 11:23:40,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:40,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741367567] [2022-11-20 11:23:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:40,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:40,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:23:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:24:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:01,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 10021 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:24:01,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2022-11-20 11:24:01,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:24:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-11-20 11:24:03,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:24:03,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741367567] [2022-11-20 11:24:03,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741367567] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:24:03,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:24:03,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-20 11:24:03,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208621875] [2022-11-20 11:24:03,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:24:03,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 11:24:03,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:24:03,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 11:24:03,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:24:03,031 INFO L87 Difference]: Start difference. First operand 8020 states and 11948 transitions. Second operand has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:24:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:07,477 INFO L93 Difference]: Finished difference Result 16042 states and 23922 transitions. [2022-11-20 11:24:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:24:07,479 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 217 [2022-11-20 11:24:07,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:07,572 INFO L225 Difference]: With dead ends: 16042 [2022-11-20 11:24:07,572 INFO L226 Difference]: Without dead ends: 8031 [2022-11-20 11:24:07,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:24:07,627 INFO L413 NwaCegarLoop]: 11911 mSDtfsCounter, 14 mSDsluCounter, 83272 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 95183 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:07,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 95183 Invalid, 444 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [28 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 11:24:07,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8031 states. [2022-11-20 11:24:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8031 to 8031. [2022-11-20 11:24:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8031 states, 5686 states have (on average 1.3677453394301793) internal successors, (7777), 5771 states have internal predecessors, (7777), 2088 states have call successors, (2088), 256 states have call predecessors, (2088), 256 states have return successors, (2104), 2080 states have call predecessors, (2104), 2086 states have call successors, (2104) [2022-11-20 11:24:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8031 states to 8031 states and 11969 transitions. [2022-11-20 11:24:08,150 INFO L78 Accepts]: Start accepts. Automaton has 8031 states and 11969 transitions. Word has length 217 [2022-11-20 11:24:08,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:08,151 INFO L495 AbstractCegarLoop]: Abstraction has 8031 states and 11969 transitions. [2022-11-20 11:24:08,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:24:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8031 states and 11969 transitions. [2022-11-20 11:24:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 11:24:08,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:08,158 INFO L195 NwaCegarLoop]: trace histogram [20, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:08,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:24:08,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:24:08,383 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash -233918425, now seen corresponding path program 1 times [2022-11-20 11:24:08,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:24:08,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250654095] [2022-11-20 11:24:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:24:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:24:08,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:24:08,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:24:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 10130 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:24:31,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2022-11-20 11:24:31,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:24:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-20 11:24:33,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:24:33,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250654095] [2022-11-20 11:24:33,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250654095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:24:33,421 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:24:33,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-20 11:24:33,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030857790] [2022-11-20 11:24:33,422 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:24:33,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:24:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:24:33,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:24:33,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:24:33,424 INFO L87 Difference]: Start difference. First operand 8031 states and 11969 transitions. Second operand has 13 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:24:38,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:38,478 INFO L93 Difference]: Finished difference Result 16065 states and 23965 transitions. [2022-11-20 11:24:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 11:24:38,479 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 226 [2022-11-20 11:24:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:38,559 INFO L225 Difference]: With dead ends: 16065 [2022-11-20 11:24:38,559 INFO L226 Difference]: Without dead ends: 8043 [2022-11-20 11:24:38,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-11-20 11:24:38,613 INFO L413 NwaCegarLoop]: 11913 mSDtfsCounter, 28 mSDsluCounter, 71378 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 83291 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:38,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 83291 Invalid, 524 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [44 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 11:24:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-11-20 11:24:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 8043. [2022-11-20 11:24:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8043 states, 5695 states have (on average 1.3676909569798068) internal successors, (7789), 5780 states have internal predecessors, (7789), 2089 states have call successors, (2089), 258 states have call predecessors, (2089), 258 states have return successors, (2114), 2081 states have call predecessors, (2114), 2087 states have call successors, (2114) [2022-11-20 11:24:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8043 states to 8043 states and 11992 transitions. [2022-11-20 11:24:39,689 INFO L78 Accepts]: Start accepts. Automaton has 8043 states and 11992 transitions. Word has length 226 [2022-11-20 11:24:39,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:39,690 INFO L495 AbstractCegarLoop]: Abstraction has 8043 states and 11992 transitions. [2022-11-20 11:24:39,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:24:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 8043 states and 11992 transitions. [2022-11-20 11:24:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-20 11:24:39,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:39,697 INFO L195 NwaCegarLoop]: trace histogram [26, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:39,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:24:39,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:24:39,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:39,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash -284532381, now seen corresponding path program 1 times [2022-11-20 11:24:39,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:24:39,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80111596] [2022-11-20 11:24:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:39,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:24:39,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:24:39,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:24:39,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:25:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:03,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 10198 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:03,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-11-20 11:25:03,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:25:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-20 11:25:06,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:25:06,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80111596] [2022-11-20 11:25:06,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80111596] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:25:06,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:25:06,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-20 11:25:06,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683975890] [2022-11-20 11:25:06,025 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:25:06,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 11:25:06,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:25:06,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 11:25:06,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:25:06,027 INFO L87 Difference]: Start difference. First operand 8043 states and 11992 transitions. Second operand has 15 states, 13 states have (on average 6.461538461538462) internal successors, (84), 15 states have internal predecessors, (84), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:25:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:25:11,545 INFO L93 Difference]: Finished difference Result 16083 states and 23996 transitions. [2022-11-20 11:25:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:25:11,547 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.461538461538462) internal successors, (84), 15 states have internal predecessors, (84), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 234 [2022-11-20 11:25:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:25:11,610 INFO L225 Difference]: With dead ends: 16083 [2022-11-20 11:25:11,610 INFO L226 Difference]: Without dead ends: 8046 [2022-11-20 11:25:11,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:25:11,665 INFO L413 NwaCegarLoop]: 11914 mSDtfsCounter, 39 mSDsluCounter, 71391 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 83305 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:25:11,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 83305 Invalid, 611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-20 11:25:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2022-11-20 11:25:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 8044. [2022-11-20 11:25:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 5696 states have (on average 1.3678019662921348) internal successors, (7791), 5781 states have internal predecessors, (7791), 2089 states have call successors, (2089), 258 states have call predecessors, (2089), 258 states have return successors, (2114), 2081 states have call predecessors, (2114), 2087 states have call successors, (2114) [2022-11-20 11:25:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 11994 transitions. [2022-11-20 11:25:12,162 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 11994 transitions. Word has length 234 [2022-11-20 11:25:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:25:12,163 INFO L495 AbstractCegarLoop]: Abstraction has 8044 states and 11994 transitions. [2022-11-20 11:25:12,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.461538461538462) internal successors, (84), 15 states have internal predecessors, (84), 4 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-20 11:25:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 11994 transitions. [2022-11-20 11:25:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-20 11:25:12,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:25:12,169 INFO L195 NwaCegarLoop]: trace histogram [32, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:25:12,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:12,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:25:12,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:25:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash -786515417, now seen corresponding path program 2 times [2022-11-20 11:25:12,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:25:12,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755932937] [2022-11-20 11:25:12,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:25:12,400 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:25:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:25:12,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:25:12,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:25:30,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:25:30,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:25:31,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 9427 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:31,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-11-20 11:25:31,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:25:31,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:25:31,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755932937] [2022-11-20 11:25:31,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755932937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:25:31,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:25:31,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:25:31,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795602017] [2022-11-20 11:25:31,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:25:31,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:25:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:25:31,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:25:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:25:31,587 INFO L87 Difference]: Start difference. First operand 8044 states and 11994 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 11:25:32,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:25:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:25:34,206 INFO L93 Difference]: Finished difference Result 23154 states and 34539 transitions. [2022-11-20 11:25:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:25:34,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 238 [2022-11-20 11:25:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:25:34,334 INFO L225 Difference]: With dead ends: 23154 [2022-11-20 11:25:34,335 INFO L226 Difference]: Without dead ends: 15159 [2022-11-20 11:25:34,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:25:34,399 INFO L413 NwaCegarLoop]: 13773 mSDtfsCounter, 10651 mSDsluCounter, 11718 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10651 SdHoareTripleChecker+Valid, 25491 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:25:34,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10651 Valid, 25491 Invalid, 130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 11:25:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2022-11-20 11:25:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 15145. [2022-11-20 11:25:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15145 states, 10732 states have (on average 1.368803578084234) internal successors, (14690), 10890 states have internal predecessors, (14690), 3927 states have call successors, (3927), 485 states have call predecessors, (3927), 485 states have return successors, (3970), 3911 states have call predecessors, (3970), 3925 states have call successors, (3970) [2022-11-20 11:25:35,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15145 states to 15145 states and 22587 transitions. [2022-11-20 11:25:35,560 INFO L78 Accepts]: Start accepts. Automaton has 15145 states and 22587 transitions. Word has length 238 [2022-11-20 11:25:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:25:35,562 INFO L495 AbstractCegarLoop]: Abstraction has 15145 states and 22587 transitions. [2022-11-20 11:25:35,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 11:25:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 15145 states and 22587 transitions. [2022-11-20 11:25:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-20 11:25:35,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:25:35,572 INFO L195 NwaCegarLoop]: trace histogram [32, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:25:35,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:25:35,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:25:35,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:35,783 INFO L85 PathProgramCache]: Analyzing trace with hash 935990003, now seen corresponding path program 1 times [2022-11-20 11:25:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:25:35,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230582810] [2022-11-20 11:25:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:35,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:25:35,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:25:35,795 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:26:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:02,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 10381 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:26:02,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 635 proven. 10 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-11-20 11:26:03,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:26:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 62 proven. 187 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-11-20 11:26:05,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:05,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230582810] [2022-11-20 11:26:05,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230582810] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:26:05,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:26:05,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-20 11:26:05,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955456949] [2022-11-20 11:26:05,956 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:26:05,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 11:26:05,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:05,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 11:26:05,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:26:05,958 INFO L87 Difference]: Start difference. First operand 15145 states and 22587 transitions. Second operand has 17 states, 15 states have (on average 7.8) internal successors, (117), 17 states have internal predecessors, (117), 4 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-20 11:26:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:13,152 INFO L93 Difference]: Finished difference Result 30305 states and 45254 transitions. [2022-11-20 11:26:13,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:26:13,154 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.8) internal successors, (117), 17 states have internal predecessors, (117), 4 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 274 [2022-11-20 11:26:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:13,275 INFO L225 Difference]: With dead ends: 30305 [2022-11-20 11:26:13,275 INFO L226 Difference]: Without dead ends: 15169 [2022-11-20 11:26:13,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-20 11:26:13,379 INFO L413 NwaCegarLoop]: 11912 mSDtfsCounter, 87 mSDsluCounter, 95194 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 107106 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:13,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 107106 Invalid, 813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-20 11:26:13,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15169 states. [2022-11-20 11:26:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15169 to 15163. [2022-11-20 11:26:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15163 states, 10748 states have (on average 1.369184964644585) internal successors, (14716), 10906 states have internal predecessors, (14716), 3927 states have call successors, (3927), 487 states have call predecessors, (3927), 487 states have return successors, (3988), 3911 states have call predecessors, (3988), 3925 states have call successors, (3988) [2022-11-20 11:26:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15163 states to 15163 states and 22631 transitions. [2022-11-20 11:26:14,591 INFO L78 Accepts]: Start accepts. Automaton has 15163 states and 22631 transitions. Word has length 274 [2022-11-20 11:26:14,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:14,594 INFO L495 AbstractCegarLoop]: Abstraction has 15163 states and 22631 transitions. [2022-11-20 11:26:14,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.8) internal successors, (117), 17 states have internal predecessors, (117), 4 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-20 11:26:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 15163 states and 22631 transitions. [2022-11-20 11:26:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-20 11:26:14,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:14,607 INFO L195 NwaCegarLoop]: trace histogram [34, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:26:14,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-20 11:26:14,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:14,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash 334281991, now seen corresponding path program 2 times [2022-11-20 11:26:14,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:14,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838932125] [2022-11-20 11:26:14,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:26:14,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:14,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:14,843 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:14,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:26:32,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:26:32,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:26:33,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 9450 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:26:33,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-11-20 11:26:33,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:33,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:33,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838932125] [2022-11-20 11:26:33,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838932125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:33,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:33,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:26:33,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546228100] [2022-11-20 11:26:33,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:33,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:26:33,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:33,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:26:33,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:26:33,908 INFO L87 Difference]: Start difference. First operand 15163 states and 22631 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 11:26:34,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:34,692 INFO L93 Difference]: Finished difference Result 15184 states and 22651 transitions. [2022-11-20 11:26:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:26:34,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2022-11-20 11:26:34,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:34,803 INFO L225 Difference]: With dead ends: 15184 [2022-11-20 11:26:34,803 INFO L226 Difference]: Without dead ends: 15181 [2022-11-20 11:26:34,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:26:34,821 INFO L413 NwaCegarLoop]: 11939 mSDtfsCounter, 10 mSDsluCounter, 47726 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 59665 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:34,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 59665 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:26:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15181 states. [2022-11-20 11:26:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15181 to 15181. [2022-11-20 11:26:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15181 states, 10760 states have (on average 1.3687732342007435) internal successors, (14728), 10918 states have internal predecessors, (14728), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 491 states have return successors, (3990), 3913 states have call predecessors, (3990), 3927 states have call successors, (3990) [2022-11-20 11:26:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15181 states to 15181 states and 22647 transitions. [2022-11-20 11:26:35,961 INFO L78 Accepts]: Start accepts. Automaton has 15181 states and 22647 transitions. Word has length 276 [2022-11-20 11:26:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:35,965 INFO L495 AbstractCegarLoop]: Abstraction has 15181 states and 22647 transitions. [2022-11-20 11:26:35,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 11:26:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 15181 states and 22647 transitions. [2022-11-20 11:26:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-20 11:26:35,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:35,994 INFO L195 NwaCegarLoop]: trace histogram [34, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:36,195 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-11-20 11:26:36,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:36,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:36,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:36,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:36,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1296954023, now seen corresponding path program 1 times [2022-11-20 11:26:36,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:36,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942290347] [2022-11-20 11:26:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:36,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:36,230 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:36,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 11:27:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:04,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 11300 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:27:04,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-11-20 11:27:05,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:27:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 72 proven. 225 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-11-20 11:27:08,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:08,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942290347] [2022-11-20 11:27:08,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942290347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:27:08,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:27:08,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-20 11:27:08,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096224890] [2022-11-20 11:27:08,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:27:08,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 11:27:08,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:08,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 11:27:08,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:27:08,811 INFO L87 Difference]: Start difference. First operand 15181 states and 22647 transitions. Second operand has 19 states, 17 states have (on average 11.941176470588236) internal successors, (203), 19 states have internal predecessors, (203), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-11-20 11:27:18,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:18,185 INFO L93 Difference]: Finished difference Result 30361 states and 45332 transitions. [2022-11-20 11:27:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 11:27:18,187 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.941176470588236) internal successors, (203), 19 states have internal predecessors, (203), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 355 [2022-11-20 11:27:18,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:18,292 INFO L225 Difference]: With dead ends: 30361 [2022-11-20 11:27:18,292 INFO L226 Difference]: Without dead ends: 15193 [2022-11-20 11:27:18,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:27:18,419 INFO L413 NwaCegarLoop]: 11912 mSDtfsCounter, 102 mSDsluCounter, 118985 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 130897 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:18,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 130897 Invalid, 1091 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [48 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-20 11:27:18,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15193 states. [2022-11-20 11:27:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15193 to 15183. [2022-11-20 11:27:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15183 states, 10762 states have (on average 1.3688905407916745) internal successors, (14732), 10920 states have internal predecessors, (14732), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 491 states have return successors, (3990), 3913 states have call predecessors, (3990), 3927 states have call successors, (3990) [2022-11-20 11:27:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15183 states to 15183 states and 22651 transitions. [2022-11-20 11:27:19,491 INFO L78 Accepts]: Start accepts. Automaton has 15183 states and 22651 transitions. Word has length 355 [2022-11-20 11:27:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:19,492 INFO L495 AbstractCegarLoop]: Abstraction has 15183 states and 22651 transitions. [2022-11-20 11:27:19,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.941176470588236) internal successors, (203), 19 states have internal predecessors, (203), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-11-20 11:27:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 15183 states and 22651 transitions. [2022-11-20 11:27:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-20 11:27:19,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:19,521 INFO L195 NwaCegarLoop]: trace histogram [36, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:19,738 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forcibly destroying the process [2022-11-20 11:27:19,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:19,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:19,768 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:19,769 INFO L85 PathProgramCache]: Analyzing trace with hash -298720147, now seen corresponding path program 2 times [2022-11-20 11:27:19,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:19,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751293360] [2022-11-20 11:27:19,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:27:19,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:19,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:19,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:19,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 11:27:38,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:27:38,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:27:39,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 10271 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:39,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2022-11-20 11:27:39,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:39,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:39,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751293360] [2022-11-20 11:27:39,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751293360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:39,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:39,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754749166] [2022-11-20 11:27:39,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:39,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:39,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:39,610 INFO L87 Difference]: Start difference. First operand 15183 states and 22651 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:27:41,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:41,648 INFO L93 Difference]: Finished difference Result 31628 states and 47327 transitions. [2022-11-20 11:27:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:41,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 357 [2022-11-20 11:27:41,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:41,738 INFO L225 Difference]: With dead ends: 31628 [2022-11-20 11:27:41,738 INFO L226 Difference]: Without dead ends: 16494 [2022-11-20 11:27:41,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:41,814 INFO L413 NwaCegarLoop]: 12962 mSDtfsCounter, 2542 mSDsluCounter, 10574 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 23536 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:41,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 23536 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 11:27:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16494 states. [2022-11-20 11:27:42,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16494 to 15261. [2022-11-20 11:27:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15261 states, 10840 states have (on average 1.366051660516605) internal successors, (14808), 10998 states have internal predecessors, (14808), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 491 states have return successors, (3990), 3913 states have call predecessors, (3990), 3927 states have call successors, (3990) [2022-11-20 11:27:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15261 states to 15261 states and 22727 transitions. [2022-11-20 11:27:43,031 INFO L78 Accepts]: Start accepts. Automaton has 15261 states and 22727 transitions. Word has length 357 [2022-11-20 11:27:43,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:43,032 INFO L495 AbstractCegarLoop]: Abstraction has 15261 states and 22727 transitions. [2022-11-20 11:27:43,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:27:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 15261 states and 22727 transitions. [2022-11-20 11:27:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-20 11:27:43,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:43,086 INFO L195 NwaCegarLoop]: trace histogram [36, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:43,310 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forcibly destroying the process [2022-11-20 11:27:43,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:43,311 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:43,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash 461166643, now seen corresponding path program 1 times [2022-11-20 11:27:43,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:43,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:43,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898755390] [2022-11-20 11:27:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:43,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:43,333 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:43,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 11:28:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:11,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 11322 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:28:11,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 743 proven. 21 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2022-11-20 11:28:11,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:28:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 82 proven. 266 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2022-11-20 11:28:15,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:15,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898755390] [2022-11-20 11:28:15,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898755390] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:28:15,614 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:28:15,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-20 11:28:15,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164711786] [2022-11-20 11:28:15,614 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:28:15,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 11:28:15,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 11:28:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:28:15,617 INFO L87 Difference]: Start difference. First operand 15261 states and 22727 transitions. Second operand has 21 states, 19 states have (on average 10.789473684210526) internal successors, (205), 21 states have internal predecessors, (205), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-11-20 11:28:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:29,317 INFO L93 Difference]: Finished difference Result 30525 states and 45512 transitions. [2022-11-20 11:28:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 11:28:29,319 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 10.789473684210526) internal successors, (205), 21 states have internal predecessors, (205), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 357 [2022-11-20 11:28:29,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:29,383 INFO L225 Difference]: With dead ends: 30525 [2022-11-20 11:28:29,383 INFO L226 Difference]: Without dead ends: 15277 [2022-11-20 11:28:29,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-11-20 11:28:29,433 INFO L413 NwaCegarLoop]: 11911 mSDtfsCounter, 83 mSDsluCounter, 178469 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 190380 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:28:29,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 190380 Invalid, 1674 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [58 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-20 11:28:29,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15277 states. [2022-11-20 11:28:30,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15277 to 15263. [2022-11-20 11:28:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15263 states, 10842 states have (on average 1.3661686035786755) internal successors, (14812), 11000 states have internal predecessors, (14812), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 491 states have return successors, (3990), 3913 states have call predecessors, (3990), 3927 states have call successors, (3990) [2022-11-20 11:28:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15263 states to 15263 states and 22731 transitions. [2022-11-20 11:28:30,475 INFO L78 Accepts]: Start accepts. Automaton has 15263 states and 22731 transitions. Word has length 357 [2022-11-20 11:28:30,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:30,476 INFO L495 AbstractCegarLoop]: Abstraction has 15263 states and 22731 transitions. [2022-11-20 11:28:30,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 10.789473684210526) internal successors, (205), 21 states have internal predecessors, (205), 4 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-11-20 11:28:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 15263 states and 22731 transitions. [2022-11-20 11:28:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-11-20 11:28:30,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:30,499 INFO L195 NwaCegarLoop]: trace histogram [38, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:28:30,722 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forcibly destroying the process [2022-11-20 11:28:30,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:28:30,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:28:30,743 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:28:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1896540001, now seen corresponding path program 2 times [2022-11-20 11:28:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:30,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522909927] [2022-11-20 11:28:30,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:28:30,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:28:30,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:30,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:28:30,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 11:28:51,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:28:51,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:28:52,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 10271 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 11:28:52,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2022-11-20 11:28:52,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:52,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:52,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522909927] [2022-11-20 11:28:52,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522909927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:52,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:52,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:28:52,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786856773] [2022-11-20 11:28:52,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:52,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:28:52,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:28:52,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:28:52,842 INFO L87 Difference]: Start difference. First operand 15263 states and 22731 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 11:28:54,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:28:56,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:28:59,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:29:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:00,351 INFO L93 Difference]: Finished difference Result 31841 states and 47563 transitions. [2022-11-20 11:29:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:29:00,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 359 [2022-11-20 11:29:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:00,438 INFO L225 Difference]: With dead ends: 31841 [2022-11-20 11:29:00,438 INFO L226 Difference]: Without dead ends: 16627 [2022-11-20 11:29:00,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:29:00,511 INFO L413 NwaCegarLoop]: 13962 mSDtfsCounter, 1411 mSDsluCounter, 68071 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 82033 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:00,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 82033 Invalid, 47 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 11:29:00,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16627 states. [2022-11-20 11:29:01,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16627 to 15273. [2022-11-20 11:29:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15273 states, 10850 states have (on average 1.3658986175115206) internal successors, (14820), 11008 states have internal predecessors, (14820), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 493 states have return successors, (4009), 3915 states have call predecessors, (4009), 3927 states have call successors, (4009) [2022-11-20 11:29:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15273 states to 15273 states and 22758 transitions. [2022-11-20 11:29:01,448 INFO L78 Accepts]: Start accepts. Automaton has 15273 states and 22758 transitions. Word has length 359 [2022-11-20 11:29:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:01,450 INFO L495 AbstractCegarLoop]: Abstraction has 15273 states and 22758 transitions. [2022-11-20 11:29:01,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 11:29:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 15273 states and 22758 transitions. [2022-11-20 11:29:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-20 11:29:01,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:01,475 INFO L195 NwaCegarLoop]: trace histogram [38, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:29:01,702 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forcibly destroying the process [2022-11-20 11:29:01,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:29:01,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:29:01,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1515851103, now seen corresponding path program 1 times [2022-11-20 11:29:01,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:01,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:01,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309049855] [2022-11-20 11:29:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:01,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:29:01,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:01,724 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:29:01,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 11:29:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:30,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 11361 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:29:30,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 816 proven. 28 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-11-20 11:29:31,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:29:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 92 proven. 310 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2022-11-20 11:29:36,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:36,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309049855] [2022-11-20 11:29:36,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309049855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:29:36,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:29:36,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2022-11-20 11:29:36,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561270427] [2022-11-20 11:29:36,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:29:36,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 11:29:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 11:29:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2022-11-20 11:29:36,155 INFO L87 Difference]: Start difference. First operand 15273 states and 22758 transitions. Second operand has 23 states, 21 states have (on average 10.19047619047619) internal successors, (214), 23 states have internal predecessors, (214), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-20 11:29:50,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:50,569 INFO L93 Difference]: Finished difference Result 30553 states and 45594 transitions. [2022-11-20 11:29:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 11:29:50,571 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 10.19047619047619) internal successors, (214), 23 states have internal predecessors, (214), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 365 [2022-11-20 11:29:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:50,624 INFO L225 Difference]: With dead ends: 30553 [2022-11-20 11:29:50,624 INFO L226 Difference]: Without dead ends: 15293 [2022-11-20 11:29:50,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2022-11-20 11:29:50,664 INFO L413 NwaCegarLoop]: 11912 mSDtfsCounter, 126 mSDsluCounter, 166579 mSDsCounter, 0 mSdLazyCounter, 1715 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 178491 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:50,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 178491 Invalid, 1781 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [66 Valid, 1715 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-11-20 11:29:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15293 states. [2022-11-20 11:29:51,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15293 to 15275. [2022-11-20 11:29:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15275 states, 10852 states have (on average 1.366015481017324) internal successors, (14824), 11010 states have internal predecessors, (14824), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 493 states have return successors, (4009), 3915 states have call predecessors, (4009), 3927 states have call successors, (4009) [2022-11-20 11:29:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15275 states to 15275 states and 22762 transitions. [2022-11-20 11:29:51,459 INFO L78 Accepts]: Start accepts. Automaton has 15275 states and 22762 transitions. Word has length 365 [2022-11-20 11:29:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:51,460 INFO L495 AbstractCegarLoop]: Abstraction has 15275 states and 22762 transitions. [2022-11-20 11:29:51,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 10.19047619047619) internal successors, (214), 23 states have internal predecessors, (214), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-20 11:29:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 15275 states and 22762 transitions. [2022-11-20 11:29:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-11-20 11:29:51,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:51,470 INFO L195 NwaCegarLoop]: trace histogram [40, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:29:51,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:51,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:29:51,671 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:29:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:51,671 INFO L85 PathProgramCache]: Analyzing trace with hash -888082317, now seen corresponding path program 2 times [2022-11-20 11:29:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:51,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205864755] [2022-11-20 11:29:51,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:29:51,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:29:51,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:51,681 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:29:51,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 11:30:10,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:30:10,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:30:11,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 9868 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:30:11,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1689 trivial. 0 not checked. [2022-11-20 11:30:11,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:11,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:11,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205864755] [2022-11-20 11:30:11,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205864755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:11,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:11,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:30:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285233136] [2022-11-20 11:30:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:11,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:30:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:11,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:30:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:30:11,573 INFO L87 Difference]: Start difference. First operand 15275 states and 22762 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:30:14,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:30:17,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:30:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:20,280 INFO L93 Difference]: Finished difference Result 34388 states and 51643 transitions. [2022-11-20 11:30:20,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:30:20,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 367 [2022-11-20 11:30:20,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:20,369 INFO L225 Difference]: With dead ends: 34388 [2022-11-20 11:30:20,369 INFO L226 Difference]: Without dead ends: 19162 [2022-11-20 11:30:20,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:20,436 INFO L413 NwaCegarLoop]: 16291 mSDtfsCounter, 4656 mSDsluCounter, 27832 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 668 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5398 SdHoareTripleChecker+Valid, 44123 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:20,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5398 Valid, 44123 Invalid, 713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [668 Valid, 43 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-20 11:30:20,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19162 states. [2022-11-20 11:30:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19162 to 15279. [2022-11-20 11:30:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15279 states, 10856 states have (on average 1.3658806190125277) internal successors, (14828), 11014 states have internal predecessors, (14828), 3929 states have call successors, (3929), 491 states have call predecessors, (3929), 493 states have return successors, (4009), 3915 states have call predecessors, (4009), 3927 states have call successors, (4009) [2022-11-20 11:30:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15279 states to 15279 states and 22766 transitions. [2022-11-20 11:30:21,359 INFO L78 Accepts]: Start accepts. Automaton has 15279 states and 22766 transitions. Word has length 367 [2022-11-20 11:30:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:21,360 INFO L495 AbstractCegarLoop]: Abstraction has 15279 states and 22766 transitions. [2022-11-20 11:30:21,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:30:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 15279 states and 22766 transitions. [2022-11-20 11:30:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-11-20 11:30:21,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:21,374 INFO L195 NwaCegarLoop]: trace histogram [40, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:30:21,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:21,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:21,591 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:30:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1659881632, now seen corresponding path program 1 times [2022-11-20 11:30:21,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:21,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004583895] [2022-11-20 11:30:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:21,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:21,603 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:30:21,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 11:31:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:07,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 11537 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:31:07,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2022-11-20 11:31:07,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:07,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:07,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004583895] [2022-11-20 11:31:07,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004583895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:07,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:07,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:31:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746823459] [2022-11-20 11:31:07,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:07,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:31:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:07,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:31:07,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:31:07,750 INFO L87 Difference]: Start difference. First operand 15279 states and 22766 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:31:08,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:31:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:31:10,866 INFO L93 Difference]: Finished difference Result 43709 states and 65142 transitions. [2022-11-20 11:31:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:31:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 382 [2022-11-20 11:31:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:31:11,016 INFO L225 Difference]: With dead ends: 43709 [2022-11-20 11:31:11,016 INFO L226 Difference]: Without dead ends: 28479 [2022-11-20 11:31:11,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:31:11,076 INFO L413 NwaCegarLoop]: 17672 mSDtfsCounter, 10528 mSDsluCounter, 11834 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10528 SdHoareTripleChecker+Valid, 29506 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:31:11,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10528 Valid, 29506 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 11:31:11,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28479 states. [2022-11-20 11:31:12,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28479 to 28467. [2022-11-20 11:31:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28467 states, 20088 states have (on average 1.3639984070091598) internal successors, (27400), 20381 states have internal predecessors, (27400), 7442 states have call successors, (7442), 932 states have call predecessors, (7442), 936 states have return successors, (7569), 7421 states have call predecessors, (7569), 7440 states have call successors, (7569) [2022-11-20 11:31:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28467 states to 28467 states and 42411 transitions. [2022-11-20 11:31:12,811 INFO L78 Accepts]: Start accepts. Automaton has 28467 states and 42411 transitions. Word has length 382 [2022-11-20 11:31:12,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:31:12,812 INFO L495 AbstractCegarLoop]: Abstraction has 28467 states and 42411 transitions. [2022-11-20 11:31:12,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:31:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 28467 states and 42411 transitions. [2022-11-20 11:31:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2022-11-20 11:31:12,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:31:12,843 INFO L195 NwaCegarLoop]: trace histogram [56, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:31:13,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:31:13,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:31:13,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:31:13,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:31:13,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1693991546, now seen corresponding path program 1 times [2022-11-20 11:31:13,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:31:13,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390212032] [2022-11-20 11:31:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:31:13,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:31:13,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:31:13,080 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:31:13,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f5f439-e478-42ac-b39f-47f9e6c2a0f7/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 11:31:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat