./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.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_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- 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 09:27:39,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:39,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:39,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:39,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:39,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:39,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:39,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:39,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:39,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:39,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:39,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:39,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:39,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:39,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:39,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:39,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:39,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:39,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:39,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:39,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:39,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:39,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:39,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:39,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:39,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:39,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:39,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:39,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:39,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:39,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:39,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:39,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:39,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:39,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:39,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:39,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:39,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:39,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:39,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:39,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:39,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:27:39,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:39,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:39,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:39,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:39,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:39,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:39,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:39,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:39,783 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:39,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:39,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:39,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:39,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:39,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:39,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:39,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:39,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:39,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:39,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:39,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:39,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:39,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:39,787 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:39,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:39,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:39,788 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2022-11-20 09:27:40,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:40,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:40,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:40,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:40,051 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:40,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-20 09:27:43,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:43,804 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:43,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-20 09:27:43,881 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/f797124b9/5b52f9de01854b71b355739289dcf37d/FLAGe16e06655 [2022-11-20 09:27:43,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/f797124b9/5b52f9de01854b71b355739289dcf37d [2022-11-20 09:27:43,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:43,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:43,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:43,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:43,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:43,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:43" (1/1) ... [2022-11-20 09:27:43,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cb972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:43, skipping insertion in model container [2022-11-20 09:27:43,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:43" (1/1) ... [2022-11-20 09:27:43,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:44,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:44,888 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: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:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 09:27:44,894 INFO L158 Benchmark]: Toolchain (without parser) took 989.58ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 73.7MB in the end (delta: 21.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-11-20 09:27:44,894 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:44,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 985.72ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 73.7MB in the end (delta: 21.2MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:44,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 985.72ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 73.7MB in the end (delta: 21.2MB). Peak memory consumption was 43.6MB. 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- 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 09:27:47,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:47,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:47,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:47,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:47,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:47,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:47,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:47,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:47,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:47,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:47,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:47,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:47,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:47,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:47,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:47,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:47,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:47,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:47,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:47,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:47,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:47,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:47,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:47,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:47,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:47,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:47,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:47,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:47,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:47,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:47,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:47,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:47,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:47,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:47,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:47,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:47,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:47,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:47,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:47,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:47,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:27:47,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:47,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:47,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:47,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:47,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:47,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:47,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:47,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:47,296 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:47,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:47,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:47,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:47,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:47,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:47,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:27:47,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:27:47,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:27:47,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:47,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:47,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:47,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:47,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:47,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:47,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:47,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:47,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:47,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:47,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:27:47,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:27:47,302 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:47,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:47,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:47,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:27:47,303 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2022-11-20 09:27:47,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:47,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:47,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:47,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:47,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:47,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-20 09:27:50,763 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:51,555 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:51,556 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-20 09:27:51,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/004640acd/a4bfb36f491e48bf88ccec1d3ac471fa/FLAGfda2cdb6c [2022-11-20 09:27:51,645 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/data/004640acd/a4bfb36f491e48bf88ccec1d3ac471fa [2022-11-20 09:27:51,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:51,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:51,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:51,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:51,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:51,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:51" (1/1) ... [2022-11-20 09:27:51,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee2eb0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:51, skipping insertion in model container [2022-11-20 09:27:51,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:51" (1/1) ... [2022-11-20 09:27:51,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:51,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:56,874 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2022-11-20 09:27:56,880 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2022-11-20 09:27:56,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:57,031 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:27:57,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:57,605 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2022-11-20 09:27:57,605 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2022-11-20 09:27:57,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:57,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:58,351 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2022-11-20 09:27:58,352 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_7cae2493-3f66-4d55-8233-fa8624f47d7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2022-11-20 09:27:58,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:58,795 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:58,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58 WrapperNode [2022-11-20 09:27:58,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:58,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:58,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:58,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:58,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:58,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,193 INFO L138 Inliner]: procedures = 653, calls = 3635, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 7968 [2022-11-20 09:27:59,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:59,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:59,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:59,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:59,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:59,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:59,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:59,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:59,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (1/1) ... [2022-11-20 09:27:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:59,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:59,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:59,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 09:27:59,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 09:27:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 09:27:59,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 09:27:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 09:27:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 09:27:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-20 09:27:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-20 09:27:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 09:27:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 09:27:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:27:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:27:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 09:27:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 09:27:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-20 09:27:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-20 09:27:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 09:27:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 09:27:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 09:27:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 09:27:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 09:27:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 09:27:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 09:27:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 09:27:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-20 09:27:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-20 09:27:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 09:27:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 09:27:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-20 09:27:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-20 09:27:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-20 09:27:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-20 09:27:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 09:27:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 09:27:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-20 09:27:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-20 09:27:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-20 09:27:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-20 09:27:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 09:27:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 09:27:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:27:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:27:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 09:27:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 09:27:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 09:27:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 09:27:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-20 09:27:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-20 09:27:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:27:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:27:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 09:27:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 09:27:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-20 09:27:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 09:27:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:27:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 09:27:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 09:27:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 09:27:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 09:27:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 09:27:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 09:27:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 09:27:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 09:27:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-20 09:27:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-20 09:27:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 09:27:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 09:27:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 09:27:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 09:27:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-20 09:27:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-20 09:27:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:27:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:27:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 09:27:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 09:27:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-20 09:27:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-20 09:27:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 09:27:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 09:27:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 09:27:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 09:27:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-20 09:27:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-20 09:27:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 09:27:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 09:27:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-20 09:27:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-20 09:27:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 09:27:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 09:27:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 09:27:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 09:27:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-20 09:27:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-20 09:27:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 09:27:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 09:27:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-20 09:27:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-20 09:27:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-20 09:27:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-20 09:27:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 09:27:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 09:27:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 09:27:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 09:27:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 09:27:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 09:27:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 09:27:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 09:27:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 09:27:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 09:27:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 09:27:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 09:27:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 09:27:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 09:27:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 09:27:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 09:27:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-20 09:27:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-20 09:27:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 09:27:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 09:27:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 09:27:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 09:27:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-20 09:27:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-20 09:27:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-20 09:27:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-20 09:27:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 09:27:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:27:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 09:27:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 09:27:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 09:27:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-20 09:27:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-20 09:27:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-20 09:27:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-20 09:27:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 09:27:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 09:27:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 09:27:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 09:27:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 09:27:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 09:27:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-20 09:27:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-20 09:27:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 09:27:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 09:27:59,772 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 09:27:59,772 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 09:27:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-20 09:27:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-20 09:27:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 09:27:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 09:27:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 09:27:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 09:27:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-20 09:27:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-20 09:27:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 09:27:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 09:27:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 09:27:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 09:27:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-20 09:27:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-20 09:27:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-20 09:27:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-20 09:27:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 09:27:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 09:27:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 09:27:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 09:27:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-20 09:27:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-20 09:27:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 09:27:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-20 09:27:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-20 09:27:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 09:27:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-20 09:27:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 09:27:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:27:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:27:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-20 09:27:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-20 09:27:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 09:27:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 09:27:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 09:27:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 09:27:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 09:27:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 09:27:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-20 09:27:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-20 09:27:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 09:27:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 09:27:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-20 09:27:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-20 09:27:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-20 09:27:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-20 09:27:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 09:27:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 09:27:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 09:27:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 09:27:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-20 09:27:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-20 09:27:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 09:27:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 09:27:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 09:27:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 09:27:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 09:27:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 09:27:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 09:27:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 09:27:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-20 09:27:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-20 09:27:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-20 09:27:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-20 09:27:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 09:27:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 09:27:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 09:27:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 09:27:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 09:27:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 09:27:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 09:27:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 09:27:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-20 09:27:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-20 09:27:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 09:27:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 09:27:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 09:27:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 09:27:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-20 09:27:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-20 09:27:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-20 09:27:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-20 09:27:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 09:27:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:27:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-20 09:27:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-20 09:27:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-20 09:27:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-20 09:27:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 09:27:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 09:27:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 09:27:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 09:27:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 09:27:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 09:27:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 09:27:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 09:27:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-20 09:27:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-20 09:27:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-20 09:27:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-20 09:27:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:27:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:27:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 09:27:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 09:27:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 09:27:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 09:27:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-20 09:27:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-20 09:27:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-20 09:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-20 09:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-20 09:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-20 09:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 09:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 09:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-20 09:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-20 09:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 09:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 09:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 09:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 09:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-20 09:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-20 09:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 09:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 09:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 09:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 09:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-20 09:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 09:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-20 09:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 09:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-20 09:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-20 09:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 09:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 09:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 09:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 09:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 09:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 09:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 09:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 09:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-20 09:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-20 09:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-20 09:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-20 09:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-20 09:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-20 09:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-20 09:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-20 09:27:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:27:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:27:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-20 09:27:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-20 09:27:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 09:27:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 09:27:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-20 09:27:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-20 09:27:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-20 09:27:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-20 09:27:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 09:27:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 09:27:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-20 09:27:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-20 09:27:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 09:27:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 09:27:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 09:27:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 09:27:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 09:27:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 09:27:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 09:28:01,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:28:01,264 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:28:01,458 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:29:19,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 09:29:19,440 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:29:19,474 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:29:19,474 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:29:19,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:19 BoogieIcfgContainer [2022-11-20 09:29:19,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:29:19,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:29:19,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:29:19,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:29:19,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:51" (1/3) ... [2022-11-20 09:29:19,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c6d95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:19, skipping insertion in model container [2022-11-20 09:29:19,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:58" (2/3) ... [2022-11-20 09:29:19,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c6d95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:19, skipping insertion in model container [2022-11-20 09:29:19,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:19" (3/3) ... [2022-11-20 09:29:19,494 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-20 09:29:19,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:29:19,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 09:29:19,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:29:19,660 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;@4731a044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:29:19,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 09:29:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 2974 states, 2024 states have (on average 1.2603754940711462) internal successors, (2551), 2066 states have internal predecessors, (2551), 784 states have call successors, (784), 165 states have call predecessors, (784), 164 states have return successors, (776), 762 states have call predecessors, (776), 776 states have call successors, (776) [2022-11-20 09:29:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-11-20 09:29:19,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:19,735 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:29:19,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:19,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1225786589, now seen corresponding path program 1 times [2022-11-20 09:29:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:19,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216865472] [2022-11-20 09:29:19,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:19,768 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 09:29:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:19,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:19,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:22,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2022-11-20 09:29:23,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:23,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:23,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216865472] [2022-11-20 09:29:23,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216865472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:23,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:23,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:23,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10127435] [2022-11-20 09:29:23,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:23,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:23,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:23,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:23,229 INFO L87 Difference]: Start difference. First operand has 2974 states, 2024 states have (on average 1.2603754940711462) internal successors, (2551), 2066 states have internal predecessors, (2551), 784 states have call successors, (784), 165 states have call predecessors, (784), 164 states have return successors, (776), 762 states have call predecessors, (776), 776 states have call successors, (776) Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 09:29:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:24,153 INFO L93 Difference]: Finished difference Result 7996 states and 11165 transitions. [2022-11-20 09:29:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:24,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 316 [2022-11-20 09:29:24,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:24,223 INFO L225 Difference]: With dead ends: 7996 [2022-11-20 09:29:24,223 INFO L226 Difference]: Without dead ends: 4998 [2022-11-20 09:29:24,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 314 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 09:29:24,254 INFO L413 NwaCegarLoop]: 4751 mSDtfsCounter, 2871 mSDsluCounter, 4020 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 8771 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:24,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 8771 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:24,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2022-11-20 09:29:24,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4993. [2022-11-20 09:29:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 3470 states have (on average 1.2564841498559078) internal successors, (4360), 3526 states have internal predecessors, (4360), 1236 states have call successors, (1236), 285 states have call predecessors, (1236), 285 states have return successors, (1236), 1217 states have call predecessors, (1236), 1236 states have call successors, (1236) [2022-11-20 09:29:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 6832 transitions. [2022-11-20 09:29:24,656 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 6832 transitions. Word has length 316 [2022-11-20 09:29:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:24,661 INFO L495 AbstractCegarLoop]: Abstraction has 4993 states and 6832 transitions. [2022-11-20 09:29:24,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 09:29:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 6832 transitions. [2022-11-20 09:29:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-20 09:29:24,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:24,682 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:29:24,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:24,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:24,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:24,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:24,897 INFO L85 PathProgramCache]: Analyzing trace with hash -600834703, now seen corresponding path program 1 times [2022-11-20 09:29:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:24,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959567947] [2022-11-20 09:29:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:24,900 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 09:29:24,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:24,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:24,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:27,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:27,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2022-11-20 09:29:28,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:28,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:28,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959567947] [2022-11-20 09:29:28,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959567947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:28,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:28,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:28,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798677061] [2022-11-20 09:29:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:28,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:28,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:28,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:28,036 INFO L87 Difference]: Start difference. First operand 4993 states and 6832 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 09:29:29,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:29,113 INFO L93 Difference]: Finished difference Result 12525 states and 17075 transitions. [2022-11-20 09:29:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 327 [2022-11-20 09:29:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:29,168 INFO L225 Difference]: With dead ends: 12525 [2022-11-20 09:29:29,169 INFO L226 Difference]: Without dead ends: 7585 [2022-11-20 09:29:29,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 325 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 09:29:29,189 INFO L413 NwaCegarLoop]: 4597 mSDtfsCounter, 2949 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 8460 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:29,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 8460 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 09:29:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7585 states. [2022-11-20 09:29:29,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7585 to 7579. [2022-11-20 09:29:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 5226 states have (on average 1.250478377344049) internal successors, (6535), 5314 states have internal predecessors, (6535), 1885 states have call successors, (1885), 467 states have call predecessors, (1885), 466 states have return successors, (1886), 1850 states have call predecessors, (1886), 1885 states have call successors, (1886) [2022-11-20 09:29:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 10306 transitions. [2022-11-20 09:29:29,712 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 10306 transitions. Word has length 327 [2022-11-20 09:29:29,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:29,714 INFO L495 AbstractCegarLoop]: Abstraction has 7579 states and 10306 transitions. [2022-11-20 09:29:29,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 09:29:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 10306 transitions. [2022-11-20 09:29:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-11-20 09:29:29,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:29,730 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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] [2022-11-20 09:29:29,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:29,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:29,952 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:29,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:29,953 INFO L85 PathProgramCache]: Analyzing trace with hash 568057444, now seen corresponding path program 1 times [2022-11-20 09:29:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:29,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802913527] [2022-11-20 09:29:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:29,957 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 09:29:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:29,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:29,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:32,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:32,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2817 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 2646 trivial. 0 not checked. [2022-11-20 09:29:33,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:33,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:33,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802913527] [2022-11-20 09:29:33,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802913527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:33,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:33,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:33,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594327844] [2022-11-20 09:29:33,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:33,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:33,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:33,128 INFO L87 Difference]: Start difference. First operand 7579 states and 10306 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 09:29:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:34,054 INFO L93 Difference]: Finished difference Result 17612 states and 23939 transitions. [2022-11-20 09:29:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:34,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 380 [2022-11-20 09:29:34,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:34,131 INFO L225 Difference]: With dead ends: 17612 [2022-11-20 09:29:34,131 INFO L226 Difference]: Without dead ends: 10086 [2022-11-20 09:29:34,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 378 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 09:29:34,171 INFO L413 NwaCegarLoop]: 6807 mSDtfsCounter, 2785 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 10754 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:34,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 10754 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:34,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10086 states. [2022-11-20 09:29:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10086 to 10080. [2022-11-20 09:29:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10080 states, 6999 states have (on average 1.2523217602514645) internal successors, (8765), 7105 states have internal predecessors, (8765), 2455 states have call successors, (2455), 625 states have call predecessors, (2455), 624 states have return successors, (2456), 2414 states have call predecessors, (2456), 2455 states have call successors, (2456) [2022-11-20 09:29:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 10080 states and 13676 transitions. [2022-11-20 09:29:34,803 INFO L78 Accepts]: Start accepts. Automaton has 10080 states and 13676 transitions. Word has length 380 [2022-11-20 09:29:34,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:34,808 INFO L495 AbstractCegarLoop]: Abstraction has 10080 states and 13676 transitions. [2022-11-20 09:29:34,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 09:29:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10080 states and 13676 transitions. [2022-11-20 09:29:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-20 09:29:34,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:34,822 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 09:29:34,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:35,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:35,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:35,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2088057937, now seen corresponding path program 1 times [2022-11-20 09:29:35,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:35,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627509334] [2022-11-20 09:29:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:35,041 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 09:29:35,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:35,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:35,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:37,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2739 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:37,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 3000 trivial. 0 not checked. [2022-11-20 09:29:38,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:38,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:38,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627509334] [2022-11-20 09:29:38,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627509334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:38,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:38,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:38,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854965501] [2022-11-20 09:29:38,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:38,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:38,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:38,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:38,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:38,085 INFO L87 Difference]: Start difference. First operand 10080 states and 13676 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 09:29:39,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:39,123 INFO L93 Difference]: Finished difference Result 22600 states and 30655 transitions. [2022-11-20 09:29:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:39,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2022-11-20 09:29:39,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:39,211 INFO L225 Difference]: With dead ends: 22600 [2022-11-20 09:29:39,211 INFO L226 Difference]: Without dead ends: 12573 [2022-11-20 09:29:39,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 454 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 09:29:39,250 INFO L413 NwaCegarLoop]: 6816 mSDtfsCounter, 2797 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 10770 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:39,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 10770 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:29:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2022-11-20 09:29:39,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12567. [2022-11-20 09:29:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12567 states, 8762 states have (on average 1.2537091988130564) internal successors, (10985), 8886 states have internal predecessors, (10985), 3022 states have call successors, (3022), 782 states have call predecessors, (3022), 781 states have return successors, (3023), 2975 states have call predecessors, (3023), 3022 states have call successors, (3023) [2022-11-20 09:29:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12567 states to 12567 states and 17030 transitions. [2022-11-20 09:29:39,857 INFO L78 Accepts]: Start accepts. Automaton has 12567 states and 17030 transitions. Word has length 456 [2022-11-20 09:29:39,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:39,858 INFO L495 AbstractCegarLoop]: Abstraction has 12567 states and 17030 transitions. [2022-11-20 09:29:39,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 09:29:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12567 states and 17030 transitions. [2022-11-20 09:29:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-20 09:29:39,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:39,873 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 09:29:39,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:40,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:40,096 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2072539219, now seen corresponding path program 1 times [2022-11-20 09:29:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:40,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139854138] [2022-11-20 09:29:40,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:40,100 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 09:29:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:40,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:40,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 2739 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:43,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 3000 trivial. 0 not checked. [2022-11-20 09:29:43,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:43,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:43,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139854138] [2022-11-20 09:29:43,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139854138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:43,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:43,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:43,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225688792] [2022-11-20 09:29:43,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:43,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:43,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:43,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:43,232 INFO L87 Difference]: Start difference. First operand 12567 states and 17030 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 09:29:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:44,380 INFO L93 Difference]: Finished difference Result 29045 states and 39306 transitions. [2022-11-20 09:29:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:44,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2022-11-20 09:29:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:44,477 INFO L225 Difference]: With dead ends: 29045 [2022-11-20 09:29:44,477 INFO L226 Difference]: Without dead ends: 16531 [2022-11-20 09:29:44,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 454 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 09:29:44,513 INFO L413 NwaCegarLoop]: 7042 mSDtfsCounter, 3672 mSDsluCounter, 3455 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 10497 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:44,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3672 Valid, 10497 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16531 states. [2022-11-20 09:29:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16531 to 16525. [2022-11-20 09:29:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16525 states, 11494 states have (on average 1.2503915086131896) internal successors, (14372), 11655 states have internal predecessors, (14372), 3974 states have call successors, (3974), 1057 states have call predecessors, (3974), 1055 states have return successors, (3975), 3914 states have call predecessors, (3975), 3974 states have call successors, (3975) [2022-11-20 09:29:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16525 states to 16525 states and 22321 transitions. [2022-11-20 09:29:45,540 INFO L78 Accepts]: Start accepts. Automaton has 16525 states and 22321 transitions. Word has length 456 [2022-11-20 09:29:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:45,542 INFO L495 AbstractCegarLoop]: Abstraction has 16525 states and 22321 transitions. [2022-11-20 09:29:45,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 09:29:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 16525 states and 22321 transitions. [2022-11-20 09:29:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-11-20 09:29:45,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:45,562 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:29:45,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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)] Ended with exit code 0 [2022-11-20 09:29:45,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:45,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:45,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:45,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1583161127, now seen corresponding path program 1 times [2022-11-20 09:29:45,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:45,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161509808] [2022-11-20 09:29:45,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:45,779 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 09:29:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:45,780 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:48,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:48,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 3276 trivial. 0 not checked. [2022-11-20 09:29:48,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:48,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:48,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161509808] [2022-11-20 09:29:48,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161509808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:48,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:48,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:48,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157305104] [2022-11-20 09:29:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:48,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:48,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:48,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:48,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:48,947 INFO L87 Difference]: Start difference. First operand 16525 states and 22321 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-20 09:29:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:50,203 INFO L93 Difference]: Finished difference Result 35489 states and 47947 transitions. [2022-11-20 09:29:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:50,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 516 [2022-11-20 09:29:50,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:50,308 INFO L225 Difference]: With dead ends: 35489 [2022-11-20 09:29:50,308 INFO L226 Difference]: Without dead ends: 19017 [2022-11-20 09:29:50,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 514 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 09:29:50,365 INFO L413 NwaCegarLoop]: 6005 mSDtfsCounter, 2799 mSDsluCounter, 3953 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 9958 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:50,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 9958 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:29:50,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19017 states. [2022-11-20 09:29:51,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19017 to 19011. [2022-11-20 09:29:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19011 states, 13257 states have (on average 1.2515652108320132) internal successors, (16592), 13436 states have internal predecessors, (16592), 4541 states have call successors, (4541), 1213 states have call predecessors, (4541), 1211 states have return successors, (4542), 4475 states have call predecessors, (4542), 4541 states have call successors, (4542) [2022-11-20 09:29:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19011 states to 19011 states and 25675 transitions. [2022-11-20 09:29:51,398 INFO L78 Accepts]: Start accepts. Automaton has 19011 states and 25675 transitions. Word has length 516 [2022-11-20 09:29:51,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:51,399 INFO L495 AbstractCegarLoop]: Abstraction has 19011 states and 25675 transitions. [2022-11-20 09:29:51,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-20 09:29:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 19011 states and 25675 transitions. [2022-11-20 09:29:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-11-20 09:29:51,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:51,412 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:29:51,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:51,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:51,628 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1598679845, now seen corresponding path program 1 times [2022-11-20 09:29:51,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:51,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271425843] [2022-11-20 09:29:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:51,632 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 09:29:51,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:51,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:51,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:54,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 3276 trivial. 0 not checked. [2022-11-20 09:29:55,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:55,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:55,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271425843] [2022-11-20 09:29:55,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271425843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:55,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:55,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635599228] [2022-11-20 09:29:55,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:55,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:55,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:55,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:55,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:55,050 INFO L87 Difference]: Start difference. First operand 19011 states and 25675 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-20 09:29:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:56,283 INFO L93 Difference]: Finished difference Result 40493 states and 54697 transitions. [2022-11-20 09:29:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:56,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 516 [2022-11-20 09:29:56,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:56,414 INFO L225 Difference]: With dead ends: 40493 [2022-11-20 09:29:56,415 INFO L226 Difference]: Without dead ends: 21535 [2022-11-20 09:29:56,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 514 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 09:29:56,476 INFO L413 NwaCegarLoop]: 6819 mSDtfsCounter, 2818 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 10773 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:56,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 10773 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:56,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21535 states. [2022-11-20 09:29:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21535 to 21529. [2022-11-20 09:29:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21529 states, 15048 states have (on average 1.2525252525252526) internal successors, (18848), 15245 states have internal predecessors, (18848), 5110 states have call successors, (5110), 1371 states have call predecessors, (5110), 1369 states have return successors, (5111), 5038 states have call predecessors, (5111), 5110 states have call successors, (5111) [2022-11-20 09:29:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21529 states to 21529 states and 29069 transitions. [2022-11-20 09:29:57,659 INFO L78 Accepts]: Start accepts. Automaton has 21529 states and 29069 transitions. Word has length 516 [2022-11-20 09:29:57,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:57,661 INFO L495 AbstractCegarLoop]: Abstraction has 21529 states and 29069 transitions. [2022-11-20 09:29:57,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-20 09:29:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 21529 states and 29069 transitions. [2022-11-20 09:29:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2022-11-20 09:29:57,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:57,679 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:57,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:57,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:57,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:57,901 INFO L85 PathProgramCache]: Analyzing trace with hash -89951931, now seen corresponding path program 1 times [2022-11-20 09:29:57,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:57,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735253283] [2022-11-20 09:29:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:57,904 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 09:29:57,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:57,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:29:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:01,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 09:30:01,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3702 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 3188 trivial. 0 not checked. [2022-11-20 09:30:02,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:02,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735253283] [2022-11-20 09:30:02,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735253283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:02,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:02,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:30:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288019961] [2022-11-20 09:30:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:02,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:30:02,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:30:02,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:30:02,064 INFO L87 Difference]: Start difference. First operand 21529 states and 29069 transitions. Second operand has 12 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 5 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2022-11-20 09:30:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:31,228 INFO L93 Difference]: Finished difference Result 64619 states and 87824 transitions. [2022-11-20 09:30:31,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:30:31,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 5 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) Word has length 559 [2022-11-20 09:30:31,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:31,447 INFO L225 Difference]: With dead ends: 64619 [2022-11-20 09:30:31,447 INFO L226 Difference]: Without dead ends: 43113 [2022-11-20 09:30:31,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-11-20 09:30:31,645 INFO L413 NwaCegarLoop]: 7869 mSDtfsCounter, 7346 mSDsluCounter, 65183 mSDsCounter, 0 mSdLazyCounter, 5629 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 73052 SdHoareTripleChecker+Invalid, 6649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 5629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:31,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7385 Valid, 73052 Invalid, 6649 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1020 Valid, 5629 Invalid, 0 Unknown, 0 Unchecked, 26.0s Time] [2022-11-20 09:30:31,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43113 states. [2022-11-20 09:30:34,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43113 to 38661. [2022-11-20 09:30:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38661 states, 27064 states have (on average 1.2534732485959208) internal successors, (33924), 27421 states have internal predecessors, (33924), 9143 states have call successors, (9143), 2455 states have call predecessors, (9143), 2452 states have return successors, (9145), 9008 states have call predecessors, (9145), 9143 states have call successors, (9145) [2022-11-20 09:30:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38661 states to 38661 states and 52212 transitions. [2022-11-20 09:30:34,273 INFO L78 Accepts]: Start accepts. Automaton has 38661 states and 52212 transitions. Word has length 559 [2022-11-20 09:30:34,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:34,275 INFO L495 AbstractCegarLoop]: Abstraction has 38661 states and 52212 transitions. [2022-11-20 09:30:34,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 5 states have call successors, (55), 3 states have call predecessors, (55), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2022-11-20 09:30:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38661 states and 52212 transitions. [2022-11-20 09:30:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-11-20 09:30:34,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:34,299 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 26, 11, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:34,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:34,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:34,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:34,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1355605092, now seen corresponding path program 1 times [2022-11-20 09:30:34,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424531918] [2022-11-20 09:30:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:34,519 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 09:30:34,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:34,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:34,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:39,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 4763 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:30:39,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3803 backedges. 636 proven. 0 refuted. 0 times theorem prover too weak. 3167 trivial. 0 not checked. [2022-11-20 09:30:39,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:39,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:39,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424531918] [2022-11-20 09:30:39,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424531918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:39,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:39,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:39,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911324690] [2022-11-20 09:30:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:39,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:39,594 INFO L87 Difference]: Start difference. First operand 38661 states and 52212 transitions. Second operand has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:30:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:42,708 INFO L93 Difference]: Finished difference Result 88762 states and 121429 transitions. [2022-11-20 09:30:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:30:42,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 571 [2022-11-20 09:30:42,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:42,946 INFO L225 Difference]: With dead ends: 88762 [2022-11-20 09:30:42,946 INFO L226 Difference]: Without dead ends: 50154 [2022-11-20 09:30:43,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:30:43,298 INFO L413 NwaCegarLoop]: 4597 mSDtfsCounter, 968 mSDsluCounter, 17779 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 22376 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:43,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 22376 Invalid, 55 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:30:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50154 states. [2022-11-20 09:30:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50154 to 38681. [2022-11-20 09:30:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38681 states, 27080 states have (on average 1.2533234859675038) internal successors, (33940), 27437 states have internal predecessors, (33940), 9143 states have call successors, (9143), 2455 states have call predecessors, (9143), 2456 states have return successors, (9153), 9012 states have call predecessors, (9153), 9143 states have call successors, (9153) [2022-11-20 09:30:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38681 states to 38681 states and 52236 transitions. [2022-11-20 09:30:46,026 INFO L78 Accepts]: Start accepts. Automaton has 38681 states and 52236 transitions. Word has length 571 [2022-11-20 09:30:46,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:46,028 INFO L495 AbstractCegarLoop]: Abstraction has 38681 states and 52236 transitions. [2022-11-20 09:30:46,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:30:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 38681 states and 52236 transitions. [2022-11-20 09:30:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-11-20 09:30:46,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:46,057 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 26, 11, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:46,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:46,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:46,277 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:46,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:46,277 INFO L85 PathProgramCache]: Analyzing trace with hash -48313203, now seen corresponding path program 1 times [2022-11-20 09:30:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:46,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70178080] [2022-11-20 09:30:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:46,282 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 09:30:46,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:46,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:46,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:30:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 4779 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:30:51,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3803 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3479 trivial. 0 not checked. [2022-11-20 09:30:51,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:51,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:51,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70178080] [2022-11-20 09:30:51,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70178080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:51,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:51,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:30:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886289983] [2022-11-20 09:30:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:51,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:51,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:51,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:51,928 INFO L87 Difference]: Start difference. First operand 38681 states and 52236 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:30:54,934 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 09:30:57,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:59,600 WARN L539 Checker$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 09:31:05,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:05,888 INFO L93 Difference]: Finished difference Result 101573 states and 140461 transitions. [2022-11-20 09:31:05,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:31:05,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 574 [2022-11-20 09:31:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:06,292 INFO L225 Difference]: With dead ends: 101573 [2022-11-20 09:31:06,293 INFO L226 Difference]: Without dead ends: 62945 [2022-11-20 09:31:06,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:06,419 INFO L413 NwaCegarLoop]: 5623 mSDtfsCounter, 4308 mSDsluCounter, 13888 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 19511 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1226 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:06,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4309 Valid, 19511 Invalid, 1259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1226 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-20 09:31:06,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62945 states. [2022-11-20 09:31:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62945 to 38693. [2022-11-20 09:31:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38693 states, 27092 states have (on average 1.2532112800826813) internal successors, (33952), 27449 states have internal predecessors, (33952), 9143 states have call successors, (9143), 2455 states have call predecessors, (9143), 2456 states have return successors, (9153), 9012 states have call predecessors, (9153), 9143 states have call successors, (9153) [2022-11-20 09:31:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38693 states to 38693 states and 52248 transitions. [2022-11-20 09:31:10,035 INFO L78 Accepts]: Start accepts. Automaton has 38693 states and 52248 transitions. Word has length 574 [2022-11-20 09:31:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:10,036 INFO L495 AbstractCegarLoop]: Abstraction has 38693 states and 52248 transitions. [2022-11-20 09:31:10,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:31:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38693 states and 52248 transitions. [2022-11-20 09:31:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-11-20 09:31:10,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:10,062 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:10,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:10,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:10,288 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:10,289 INFO L85 PathProgramCache]: Analyzing trace with hash 415304744, now seen corresponding path program 1 times [2022-11-20 09:31:10,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:10,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120270539] [2022-11-20 09:31:10,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:10,293 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 09:31:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:10,295 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:13,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 3014 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 09:31:13,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3702 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 3188 trivial. 0 not checked. [2022-11-20 09:31:14,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:14,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:14,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120270539] [2022-11-20 09:31:14,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120270539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:14,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:14,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:31:14,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417515921] [2022-11-20 09:31:14,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:14,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:31:14,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:14,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:31:14,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:31:14,563 INFO L87 Difference]: Start difference. First operand 38693 states and 52248 transitions. Second operand has 13 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 6 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-20 09:31:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:48,840 INFO L93 Difference]: Finished difference Result 97239 states and 131992 transitions. [2022-11-20 09:31:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 09:31:48,841 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 6 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) Word has length 579 [2022-11-20 09:31:48,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:49,116 INFO L225 Difference]: With dead ends: 97239 [2022-11-20 09:31:49,116 INFO L226 Difference]: Without dead ends: 58569 [2022-11-20 09:31:49,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2022-11-20 09:31:49,248 INFO L413 NwaCegarLoop]: 5311 mSDtfsCounter, 9109 mSDsluCounter, 52905 mSDsCounter, 0 mSdLazyCounter, 6211 mSolverCounterSat, 1612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9196 SdHoareTripleChecker+Valid, 58216 SdHoareTripleChecker+Invalid, 7823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 6211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:49,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9196 Valid, 58216 Invalid, 7823 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1612 Valid, 6211 Invalid, 0 Unknown, 0 Unchecked, 27.9s Time] [2022-11-20 09:31:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58569 states. [2022-11-20 09:31:52,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58569 to 38693. [2022-11-20 09:31:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38693 states, 27092 states have (on average 1.2532112800826813) internal successors, (33952), 27449 states have internal predecessors, (33952), 9143 states have call successors, (9143), 2455 states have call predecessors, (9143), 2456 states have return successors, (9153), 9012 states have call predecessors, (9153), 9143 states have call successors, (9153) [2022-11-20 09:31:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38693 states to 38693 states and 52248 transitions. [2022-11-20 09:31:52,412 INFO L78 Accepts]: Start accepts. Automaton has 38693 states and 52248 transitions. Word has length 579 [2022-11-20 09:31:52,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:52,413 INFO L495 AbstractCegarLoop]: Abstraction has 38693 states and 52248 transitions. [2022-11-20 09:31:52,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 6 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-20 09:31:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 38693 states and 52248 transitions. [2022-11-20 09:31:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-11-20 09:31:52,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:52,428 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 26, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:52,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:52,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:52,652 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1871830082, now seen corresponding path program 1 times [2022-11-20 09:31:52,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:52,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111755857] [2022-11-20 09:31:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:52,655 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 09:31:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:52,656 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:52,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:31:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:58,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 09:31:58,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3920 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 3867 trivial. 0 not checked. [2022-11-20 09:31:58,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:58,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:58,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111755857] [2022-11-20 09:31:58,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111755857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:58,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:58,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:31:58,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700222730] [2022-11-20 09:31:58,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:58,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:31:58,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:31:58,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:58,647 INFO L87 Difference]: Start difference. First operand 38693 states and 52248 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:32:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:04,410 INFO L93 Difference]: Finished difference Result 83427 states and 113518 transitions. [2022-11-20 09:32:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:32:04,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 595 [2022-11-20 09:32:04,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:04,591 INFO L225 Difference]: With dead ends: 83427 [2022-11-20 09:32:04,592 INFO L226 Difference]: Without dead ends: 44787 [2022-11-20 09:32:04,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 590 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:32:04,676 INFO L413 NwaCegarLoop]: 5260 mSDtfsCounter, 1625 mSDsluCounter, 24207 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 29467 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:04,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 29467 Invalid, 506 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [444 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:32:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44787 states. [2022-11-20 09:32:08,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44787 to 38717. [2022-11-20 09:32:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38717 states, 27112 states have (on average 1.253024491000295) internal successors, (33972), 27469 states have internal predecessors, (33972), 9143 states have call successors, (9143), 2455 states have call predecessors, (9143), 2460 states have return successors, (9171), 9016 states have call predecessors, (9171), 9143 states have call successors, (9171) [2022-11-20 09:32:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38717 states to 38717 states and 52286 transitions. [2022-11-20 09:32:08,658 INFO L78 Accepts]: Start accepts. Automaton has 38717 states and 52286 transitions. Word has length 595 [2022-11-20 09:32:08,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:08,658 INFO L495 AbstractCegarLoop]: Abstraction has 38717 states and 52286 transitions. [2022-11-20 09:32:08,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 09:32:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38717 states and 52286 transitions. [2022-11-20 09:32:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-11-20 09:32:08,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:08,669 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 25, 15, 15, 15, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:08,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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)] Ended with exit code 0 [2022-11-20 09:32:08,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:32:08,869 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:08,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:08,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1652525276, now seen corresponding path program 1 times [2022-11-20 09:32:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:08,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525382101] [2022-11-20 09:32:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:08,872 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 09:32:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:08,873 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:32:08,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae2493-3f66-4d55-8233-fa8624f47d7d/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 09:32:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:15,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 4862 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:32:15,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2022-11-20 09:32:15,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:15,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:15,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525382101] [2022-11-20 09:32:15,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525382101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:15,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:15,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:32:15,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144794186] [2022-11-20 09:32:15,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:15,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:32:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:32:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:32:15,586 INFO L87 Difference]: Start difference. First operand 38717 states and 52286 transitions. Second operand has 6 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (62), 4 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)