./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_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:24:34,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:24:34,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:24:34,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:24:34,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:24:34,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:24:34,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:24:34,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:24:34,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:24:34,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:24:34,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:24:34,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:24:34,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:24:34,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:24:34,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:24:34,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:24:34,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:24:34,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:24:34,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:24:34,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:24:34,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:24:34,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:24:34,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:24:34,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:24:34,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:24:34,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:24:34,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:24:34,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:24:34,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:24:34,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:24:34,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:24:34,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:24:34,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:24:34,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:24:34,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:24:34,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:24:34,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:24:34,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:24:34,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:24:34,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:24:34,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:24:34,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:24:34,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:24:34,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:24:34,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:24:34,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:24:34,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:24:34,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:24:34,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:24:34,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:24:34,754 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:24:34,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:24:34,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:24:34,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:24:34,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:24:34,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:24:34,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:24:34,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:24:34,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:24:34,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:24:34,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:24:34,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:24:34,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:24:34,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:24:34,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:24:34,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:24:34,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:24:34,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:24:34,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:24:34,759 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:24:34,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:24:34,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:24:34,759 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2022-11-20 11:24:35,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:24:35,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:24:35,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:24:35,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:24:35,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:24:35,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-11-20 11:24:38,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:24:39,505 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:24:39,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-11-20 11:24:39,577 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/ff9671092/706c6cf60b0a4e1a97438fca914b11f3/FLAG22b007ae0 [2022-11-20 11:24:39,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/ff9671092/706c6cf60b0a4e1a97438fca914b11f3 [2022-11-20 11:24:39,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:24:39,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:24:39,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:24:39,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:24:39,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:24:39,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:39" (1/1) ... [2022-11-20 11:24:39,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686eba9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:39, skipping insertion in model container [2022-11-20 11:24:39,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:39" (1/1) ... [2022-11-20 11:24:39,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:24:39,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:24:42,754 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.abstractShiftLeft(BitabsTranslation.java:148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) 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:728) 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:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:24:42,768 INFO L158 Benchmark]: Toolchain (without parser) took 3155.38ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 70.2MB in the end (delta: 40.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2022-11-20 11:24:42,769 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:24:42,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3152.45ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 70.2MB in the end (delta: 40.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2022-11-20 11:24:42,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3152.45ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 70.2MB in the end (delta: 40.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:24:45,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:24:45,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:24:45,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:24:45,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:24:45,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:24:45,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:24:45,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:24:45,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:24:45,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:24:45,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:24:45,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:24:45,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:24:45,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:24:45,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:24:45,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:24:45,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:24:45,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:24:45,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:24:45,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:24:45,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:24:45,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:24:45,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:24:45,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:24:45,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:24:45,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:24:45,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:24:45,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:24:45,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:24:45,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:24:45,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:24:45,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:24:45,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:24:45,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:24:45,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:24:45,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:24:45,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:24:45,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:24:45,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:24:45,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:24:45,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:24:45,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:24:45,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:24:45,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:24:45,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:24:45,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:24:45,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:24:45,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:24:45,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:24:45,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:24:45,741 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:24:45,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:24:45,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:24:45,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:24:45,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:24:45,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:24:45,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:24:45,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:24:45,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:24:45,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:24:45,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:24:45,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:24:45,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:24:45,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:24:45,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:24:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:24:45,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:24:45,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:24:45,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:24:45,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:24:45,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:24:45,747 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:24:45,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:24:45,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:24:45,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:24:45,749 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2022-11-20 11:24:46,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:24:46,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:24:46,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:24:46,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:24:46,240 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:24:46,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-11-20 11:24:50,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:24:51,058 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:24:51,059 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-11-20 11:24:51,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/e9b244de8/0734d466c62045219cd51199aea8f60d/FLAG1d0ad64c9 [2022-11-20 11:24:51,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/data/e9b244de8/0734d466c62045219cd51199aea8f60d [2022-11-20 11:24:51,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:24:51,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:24:51,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:24:51,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:24:51,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:24:51,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:51" (1/1) ... [2022-11-20 11:24:51,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773e74ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:51, skipping insertion in model container [2022-11-20 11:24:51,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:51" (1/1) ... [2022-11-20 11:24:51,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:24:51,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:24:56,041 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2022-11-20 11:24:56,048 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2022-11-20 11:24:56,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:24:56,138 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:24:56,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:24:56,765 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2022-11-20 11:24:56,765 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2022-11-20 11:24:56,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:24:56,814 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:24:57,581 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2022-11-20 11:24:57,582 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_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2022-11-20 11:24:57,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:24:57,953 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:24:57,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57 WrapperNode [2022-11-20 11:24:57,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:24:57,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:24:57,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:24:57,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:24:57,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,597 INFO L138 Inliner]: procedures = 565, calls = 3920, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 8915 [2022-11-20 11:24:58,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:24:58,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:24:58,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:24:58,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:24:58,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:58,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:59,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:59,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:24:59,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:24:59,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:24:59,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:24:59,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (1/1) ... [2022-11-20 11:24:59,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:24:59,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:24:59,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:24:59,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:24:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-11-20 11:24:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-11-20 11:24:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-11-20 11:24:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-11-20 11:24:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:24:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:24:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-11-20 11:24:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-11-20 11:24:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-11-20 11:24:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-11-20 11:24:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 11:24:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 11:24:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:24:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:24:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-11-20 11:24:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-11-20 11:24:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-11-20 11:24:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-11-20 11:24:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 11:24:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 11:24:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-11-20 11:24:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-11-20 11:24:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-11-20 11:24:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-11-20 11:24:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-11-20 11:24:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-11-20 11:24:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2022-11-20 11:24:59,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2022-11-20 11:24:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-11-20 11:24:59,164 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-11-20 11:24:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-20 11:24:59,165 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-20 11:24:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-11-20 11:24:59,165 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-11-20 11:24:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-11-20 11:24:59,166 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-11-20 11:24:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-11-20 11:24:59,166 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-11-20 11:24:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-11-20 11:24:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-11-20 11:24:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-11-20 11:24:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-11-20 11:24:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 11:24:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-11-20 11:24:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-11-20 11:24:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-11-20 11:24:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-11-20 11:24:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:24:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:24:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-20 11:24:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-20 11:24:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:24:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:24:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:24:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-11-20 11:24:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-11-20 11:24:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:24:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:24:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-20 11:24:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-20 11:24:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:24:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2022-11-20 11:24:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2022-11-20 11:24:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-11-20 11:24:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-11-20 11:24:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 11:24:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 11:24:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:24:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:24:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-20 11:24:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-20 11:24:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-11-20 11:24:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-11-20 11:24:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-11-20 11:24:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-11-20 11:24:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-20 11:24:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-20 11:24:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-11-20 11:24:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-11-20 11:24:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2022-11-20 11:24:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2022-11-20 11:24:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:24:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:24:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-11-20 11:24:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-11-20 11:24:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 11:24:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 11:24:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-11-20 11:24:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-11-20 11:24:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-11-20 11:24:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-11-20 11:24:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-11-20 11:24:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-11-20 11:24:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:24:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:24:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-11-20 11:24:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-11-20 11:24:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-11-20 11:24:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-11-20 11:24:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-11-20 11:24:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-11-20 11:24:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:24:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:24:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-11-20 11:24:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-11-20 11:24:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:24:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:24:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-11-20 11:24:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-11-20 11:24:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-11-20 11:24:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-11-20 11:24:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-11-20 11:24:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-11-20 11:24:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 11:24:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 11:24:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:24:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:24:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:24:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:24:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-11-20 11:24:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-11-20 11:24:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 11:24:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 11:24:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-11-20 11:24:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-11-20 11:24:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 11:24:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 11:24:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-11-20 11:24:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-11-20 11:24:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:24:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-20 11:24:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-20 11:24:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 11:24:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 11:24:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 11:24:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 11:24:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-20 11:24:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-20 11:24:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 11:24:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 11:24:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-11-20 11:24:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 11:24:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 11:24:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:24:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:24:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:24:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:24:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:24:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-11-20 11:24:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-11-20 11:24:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:24:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:24:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:24:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 11:24:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 11:24:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:24:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:24:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-11-20 11:24:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-11-20 11:24:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 11:24:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 11:24:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-11-20 11:24:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-11-20 11:24:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-11-20 11:24:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-11-20 11:24:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 11:24:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 11:24:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 11:24:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 11:24:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-11-20 11:24:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-11-20 11:24:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 11:24:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 11:24:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-11-20 11:24:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-11-20 11:24:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:24:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-11-20 11:24:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-11-20 11:24:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-11-20 11:24:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-11-20 11:24:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:24:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:24:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-11-20 11:24:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-11-20 11:24:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:24:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:24:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-11-20 11:24:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-11-20 11:24:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:24:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-11-20 11:24:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-11-20 11:24:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-20 11:24:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-20 11:24:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:24:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:24:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:24:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:24:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:24:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-11-20 11:24:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-11-20 11:24:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:24:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:24:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-11-20 11:24:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-11-20 11:24:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-20 11:24:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-20 11:24:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 11:24:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 11:24:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-11-20 11:24:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-11-20 11:24:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-11-20 11:24:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-11-20 11:24:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-20 11:24:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-20 11:24:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 11:24:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 11:24:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-11-20 11:24:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-11-20 11:24:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-11-20 11:24:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-11-20 11:24:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:24:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:24:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-11-20 11:24:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-11-20 11:24:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:24:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:24:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-11-20 11:24:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-11-20 11:24:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:24:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:24:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-11-20 11:24:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-11-20 11:24:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-20 11:24:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-20 11:24:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-11-20 11:24:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-11-20 11:24:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-11-20 11:24:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-11-20 11:24:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 11:24:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 11:24:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-11-20 11:24:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-11-20 11:24:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:24:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:24:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:24:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-11-20 11:24:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-11-20 11:24:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-20 11:24:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-20 11:24:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-11-20 11:24:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-11-20 11:24:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:24:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-20 11:24:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-20 11:24:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-20 11:24:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-20 11:24:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:24:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:24:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:24:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:24:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:24:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:24:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:24:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:24:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:24:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-11-20 11:24:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-11-20 11:24:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 11:24:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 11:24:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:24:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:24:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-11-20 11:24:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-11-20 11:24:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-11-20 11:24:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-11-20 11:24:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:24:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:24:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 11:24:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 11:24:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-11-20 11:24:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-11-20 11:24:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2022-11-20 11:24:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2022-11-20 11:24:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2022-11-20 11:24:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2022-11-20 11:24:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2022-11-20 11:24:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2022-11-20 11:24:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-11-20 11:24:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-11-20 11:24:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-11-20 11:24:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-11-20 11:24:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2022-11-20 11:24:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2022-11-20 11:24:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:24:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:24:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-11-20 11:24:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-11-20 11:24:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-11-20 11:24:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-11-20 11:24:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 11:24:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 11:24:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-11-20 11:24:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-11-20 11:24:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-20 11:24:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-20 11:24:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-11-20 11:24:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-11-20 11:24:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-11-20 11:24:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-11-20 11:24:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-11-20 11:24:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-11-20 11:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:24:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:24:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2022-11-20 11:24:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2022-11-20 11:24:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-20 11:24:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-20 11:24:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-11-20 11:24:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-11-20 11:24:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-20 11:24:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-20 11:24:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-11-20 11:24:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-11-20 11:24:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 11:24:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 11:24:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-11-20 11:24:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-11-20 11:24:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 11:24:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 11:24:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-11-20 11:24:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-11-20 11:24:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-20 11:24:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-20 11:24:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 11:24:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 11:24:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 11:24:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 11:24:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 11:24:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 11:24:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-11-20 11:24:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-11-20 11:24:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:24:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:24:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-11-20 11:24:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-11-20 11:24:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:24:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:24:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-20 11:24:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-20 11:24:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-11-20 11:24:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-11-20 11:24:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-11-20 11:24:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-11-20 11:24:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-11-20 11:24:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-11-20 11:24:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:24:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:24:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 11:24:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-20 11:24:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-20 11:25:00,976 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:25:00,987 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:25:01,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:25:08,993 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-11-20 11:26:28,361 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 11:26:29,943 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:26:29,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:26:29,984 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-20 11:26:29,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:29 BoogieIcfgContainer [2022-11-20 11:26:29,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:26:29,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:26:29,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:26:30,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:26:30,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:24:51" (1/3) ... [2022-11-20 11:26:30,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2b4677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:30, skipping insertion in model container [2022-11-20 11:26:30,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:57" (2/3) ... [2022-11-20 11:26:30,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2b4677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:30, skipping insertion in model container [2022-11-20 11:26:30,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:29" (3/3) ... [2022-11-20 11:26:30,006 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-11-20 11:26:30,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:26:30,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:26:30,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:26:30,204 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;@142432cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:26:30,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:26:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 3208 states, 2121 states have (on average 1.298915605846299) internal successors, (2755), 2171 states have internal predecessors, (2755), 922 states have call successors, (922), 165 states have call predecessors, (922), 164 states have return successors, (911), 905 states have call predecessors, (911), 911 states have call successors, (911) [2022-11-20 11:26:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-11-20 11:26:30,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:30,299 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 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] [2022-11-20 11:26:30,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash -972367191, now seen corresponding path program 1 times [2022-11-20 11:26:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:30,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832815550] [2022-11-20 11:26:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:30,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:30,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:30,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:26:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:33,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:26:33,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8659 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8653 trivial. 0 not checked. [2022-11-20 11:26:33,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:33,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:33,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832815550] [2022-11-20 11:26:33,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832815550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:33,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:33,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:26:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574098813] [2022-11-20 11:26:33,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:33,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:26:33,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:33,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:26:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:26:33,899 INFO L87 Difference]: Start difference. First operand has 3208 states, 2121 states have (on average 1.298915605846299) internal successors, (2755), 2171 states have internal predecessors, (2755), 922 states have call successors, (922), 165 states have call predecessors, (922), 164 states have return successors, (911), 905 states have call predecessors, (911), 911 states have call successors, (911) Second operand has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 11:26:34,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:34,340 INFO L93 Difference]: Finished difference Result 6282 states and 9119 transitions. [2022-11-20 11:26:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:26:34,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 595 [2022-11-20 11:26:34,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:34,403 INFO L225 Difference]: With dead ends: 6282 [2022-11-20 11:26:34,404 INFO L226 Difference]: Without dead ends: 3136 [2022-11-20 11:26:34,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:26:34,434 INFO L413 NwaCegarLoop]: 4497 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:34,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4497 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:26:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2022-11-20 11:26:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 3136. [2022-11-20 11:26:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 2081 states have (on average 1.2715040845747236) internal successors, (2646), 2128 states have internal predecessors, (2646), 892 states have call successors, (892), 162 states have call predecessors, (892), 162 states have return successors, (892), 886 states have call predecessors, (892), 892 states have call successors, (892) [2022-11-20 11:26:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 4430 transitions. [2022-11-20 11:26:34,768 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 4430 transitions. Word has length 595 [2022-11-20 11:26:34,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:34,774 INFO L495 AbstractCegarLoop]: Abstraction has 3136 states and 4430 transitions. [2022-11-20 11:26:34,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 11:26:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 4430 transitions. [2022-11-20 11:26:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-11-20 11:26:34,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:34,811 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 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] [2022-11-20 11:26:34,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:35,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:35,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:35,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash -697607577, now seen corresponding path program 1 times [2022-11-20 11:26:35,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:35,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683907372] [2022-11-20 11:26:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:35,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:35,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:35,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:35,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:26:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:38,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:26:38,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8659 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 8527 trivial. 0 not checked. [2022-11-20 11:26:38,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:38,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:38,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683907372] [2022-11-20 11:26:38,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683907372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:38,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:38,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:26:38,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444767859] [2022-11-20 11:26:38,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:38,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:26:38,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:38,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:26:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:38,934 INFO L87 Difference]: Start difference. First operand 3136 states and 4430 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 11:26:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:39,962 INFO L93 Difference]: Finished difference Result 8982 states and 12663 transitions. [2022-11-20 11:26:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:26:39,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 595 [2022-11-20 11:26:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:40,024 INFO L225 Difference]: With dead ends: 8982 [2022-11-20 11:26:40,025 INFO L226 Difference]: Without dead ends: 5939 [2022-11-20 11:26:40,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:40,051 INFO L413 NwaCegarLoop]: 5294 mSDtfsCounter, 3919 mSDsluCounter, 4393 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3919 SdHoareTripleChecker+Valid, 9687 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:40,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3919 Valid, 9687 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:26:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-11-20 11:26:40,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 5935. [2022-11-20 11:26:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5935 states, 3949 states have (on average 1.2737401873892125) internal successors, (5030), 4040 states have internal predecessors, (5030), 1666 states have call successors, (1666), 319 states have call predecessors, (1666), 319 states have return successors, (1666), 1652 states have call predecessors, (1666), 1666 states have call successors, (1666) [2022-11-20 11:26:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5935 states to 5935 states and 8362 transitions. [2022-11-20 11:26:40,559 INFO L78 Accepts]: Start accepts. Automaton has 5935 states and 8362 transitions. Word has length 595 [2022-11-20 11:26:40,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:40,561 INFO L495 AbstractCegarLoop]: Abstraction has 5935 states and 8362 transitions. [2022-11-20 11:26:40,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 11:26:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5935 states and 8362 transitions. [2022-11-20 11:26:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-11-20 11:26:40,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:40,606 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 44, 44, 44, 44, 44, 44, 3, 3, 3, 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] [2022-11-20 11:26:40,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:40,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:40,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:40,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:40,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1118397791, now seen corresponding path program 1 times [2022-11-20 11:26:40,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:40,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006377462] [2022-11-20 11:26:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:40,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:40,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:40,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:26:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:43,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 3266 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:26:44,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8805 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 8535 trivial. 0 not checked. [2022-11-20 11:26:44,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:44,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006377462] [2022-11-20 11:26:44,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006377462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:44,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:44,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:26:44,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438550285] [2022-11-20 11:26:44,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:44,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:26:44,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:44,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:26:44,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:44,268 INFO L87 Difference]: Start difference. First operand 5935 states and 8362 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 11:26:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:45,446 INFO L93 Difference]: Finished difference Result 14513 states and 20424 transitions. [2022-11-20 11:26:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:26:45,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 618 [2022-11-20 11:26:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:45,517 INFO L225 Difference]: With dead ends: 14513 [2022-11-20 11:26:45,517 INFO L226 Difference]: Without dead ends: 8671 [2022-11-20 11:26:45,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:45,557 INFO L413 NwaCegarLoop]: 5200 mSDtfsCounter, 3878 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 9520 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:45,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 9520 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:26:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8671 states. [2022-11-20 11:26:46,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8671 to 8669. [2022-11-20 11:26:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8669 states, 5768 states have (on average 1.2739251040221915) internal successors, (7348), 5900 states have internal predecessors, (7348), 2421 states have call successors, (2421), 479 states have call predecessors, (2421), 479 states have return successors, (2421), 2401 states have call predecessors, (2421), 2421 states have call successors, (2421) [2022-11-20 11:26:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12190 transitions. [2022-11-20 11:26:46,319 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12190 transitions. Word has length 618 [2022-11-20 11:26:46,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:46,322 INFO L495 AbstractCegarLoop]: Abstraction has 8669 states and 12190 transitions. [2022-11-20 11:26:46,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 11:26:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12190 transitions. [2022-11-20 11:26:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-11-20 11:26:46,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:46,373 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 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, 1] [2022-11-20 11:26:46,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:46,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:46,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:46,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:46,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1038414558, now seen corresponding path program 1 times [2022-11-20 11:26:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:46,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718499108] [2022-11-20 11:26:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:46,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:46,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:46,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:26:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:49,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 3385 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:26:49,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8659 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 8527 trivial. 0 not checked. [2022-11-20 11:26:50,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:50,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:50,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718499108] [2022-11-20 11:26:50,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718499108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:50,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:50,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:26:50,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813822936] [2022-11-20 11:26:50,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:50,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:26:50,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:26:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:50,053 INFO L87 Difference]: Start difference. First operand 8669 states and 12190 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 11:26:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:51,800 INFO L93 Difference]: Finished difference Result 22817 states and 32035 transitions. [2022-11-20 11:26:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:26:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 629 [2022-11-20 11:26:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:52,079 INFO L225 Difference]: With dead ends: 22817 [2022-11-20 11:26:52,080 INFO L226 Difference]: Without dead ends: 14241 [2022-11-20 11:26:52,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:52,131 INFO L413 NwaCegarLoop]: 5248 mSDtfsCounter, 4113 mSDsluCounter, 4368 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 9616 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:52,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4113 Valid, 9616 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:26:52,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14241 states. [2022-11-20 11:26:53,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14241 to 14231. [2022-11-20 11:26:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 9499 states have (on average 1.272870828508264) internal successors, (12091), 9722 states have internal predecessors, (12091), 3925 states have call successors, (3925), 806 states have call predecessors, (3925), 806 states have return successors, (3927), 3891 states have call predecessors, (3927), 3925 states have call successors, (3927) [2022-11-20 11:26:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 19943 transitions. [2022-11-20 11:26:53,395 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 19943 transitions. Word has length 629 [2022-11-20 11:26:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:53,399 INFO L495 AbstractCegarLoop]: Abstraction has 14231 states and 19943 transitions. [2022-11-20 11:26:53,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 11:26:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 19943 transitions. [2022-11-20 11:26:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-11-20 11:26:53,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:53,455 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 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] [2022-11-20 11:26:53,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:53,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:53,671 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:53,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1407001533, now seen corresponding path program 1 times [2022-11-20 11:26:53,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:53,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934013554] [2022-11-20 11:26:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:53,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:53,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:26:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:56,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 3406 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:26:56,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8659 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 8527 trivial. 0 not checked. [2022-11-20 11:26:56,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:56,987 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:56,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934013554] [2022-11-20 11:26:56,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934013554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:56,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:56,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:26:56,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944290642] [2022-11-20 11:26:56,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:56,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:26:56,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:56,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:26:56,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:56,991 INFO L87 Difference]: Start difference. First operand 14231 states and 19943 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 11:26:59,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:59,935 INFO L93 Difference]: Finished difference Result 38877 states and 54424 transitions. [2022-11-20 11:26:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:26:59,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 625 [2022-11-20 11:26:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:00,326 INFO L225 Difference]: With dead ends: 38877 [2022-11-20 11:27:00,326 INFO L226 Difference]: Without dead ends: 24739 [2022-11-20 11:27:00,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:00,398 INFO L413 NwaCegarLoop]: 5436 mSDtfsCounter, 4099 mSDsluCounter, 4368 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4099 SdHoareTripleChecker+Valid, 9804 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:00,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4099 Valid, 9804 Invalid, 80 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:27:00,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24739 states. [2022-11-20 11:27:02,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24739 to 24729. [2022-11-20 11:27:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24729 states, 16517 states have (on average 1.272083308106799) internal successors, (21011), 16922 states have internal predecessors, (21011), 6770 states have call successors, (6770), 1441 states have call predecessors, (6770), 1441 states have return successors, (6778), 6708 states have call predecessors, (6778), 6770 states have call successors, (6778) [2022-11-20 11:27:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24729 states to 24729 states and 34559 transitions. [2022-11-20 11:27:02,893 INFO L78 Accepts]: Start accepts. Automaton has 24729 states and 34559 transitions. Word has length 625 [2022-11-20 11:27:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:02,894 INFO L495 AbstractCegarLoop]: Abstraction has 24729 states and 34559 transitions. [2022-11-20 11:27:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 11:27:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 24729 states and 34559 transitions. [2022-11-20 11:27:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-11-20 11:27:02,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:02,947 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:03,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:03,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:03,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:03,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:03,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2127586326, now seen corresponding path program 1 times [2022-11-20 11:27:03,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:03,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158774661] [2022-11-20 11:27:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:03,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:03,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:03,170 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:03,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:27:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:06,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 3759 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:06,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8661 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 8529 trivial. 0 not checked. [2022-11-20 11:27:06,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:06,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:06,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158774661] [2022-11-20 11:27:06,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158774661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:06,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:06,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467894907] [2022-11-20 11:27:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:06,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:06,966 INFO L87 Difference]: Start difference. First operand 24729 states and 34559 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 11:27:10,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:10,235 INFO L93 Difference]: Finished difference Result 64870 states and 90295 transitions. [2022-11-20 11:27:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:10,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 644 [2022-11-20 11:27:10,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:10,532 INFO L225 Difference]: With dead ends: 64870 [2022-11-20 11:27:10,533 INFO L226 Difference]: Without dead ends: 40234 [2022-11-20 11:27:10,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:10,644 INFO L413 NwaCegarLoop]: 6079 mSDtfsCounter, 3605 mSDsluCounter, 4368 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 10447 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:10,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3605 Valid, 10447 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 11:27:10,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40234 states. [2022-11-20 11:27:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40234 to 40216. [2022-11-20 11:27:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40216 states, 26915 states have (on average 1.2647222738250046) internal successors, (34040), 27556 states have internal predecessors, (34040), 10852 states have call successors, (10852), 2450 states have call predecessors, (10852), 2448 states have return successors, (10874), 10744 states have call predecessors, (10874), 10852 states have call successors, (10874) [2022-11-20 11:27:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40216 states to 40216 states and 55766 transitions. [2022-11-20 11:27:14,163 INFO L78 Accepts]: Start accepts. Automaton has 40216 states and 55766 transitions. Word has length 644 [2022-11-20 11:27:14,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:14,165 INFO L495 AbstractCegarLoop]: Abstraction has 40216 states and 55766 transitions. [2022-11-20 11:27:14,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 11:27:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 40216 states and 55766 transitions. [2022-11-20 11:27:14,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2022-11-20 11:27:14,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:14,222 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:14,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:14,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:14,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:14,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:14,440 INFO L85 PathProgramCache]: Analyzing trace with hash -835444827, now seen corresponding path program 1 times [2022-11-20 11:27:14,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:14,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408534044] [2022-11-20 11:27:14,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:14,446 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:14,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:27:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 3379 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:27:18,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9291 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 8828 trivial. 0 not checked. [2022-11-20 11:27:18,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:18,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:18,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408534044] [2022-11-20 11:27:18,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408534044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:18,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:18,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:27:18,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679867518] [2022-11-20 11:27:18,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:27:18,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:18,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:27:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:27:18,583 INFO L87 Difference]: Start difference. First operand 40216 states and 55766 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-20 11:27:27,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:27,412 INFO L93 Difference]: Finished difference Result 95551 states and 134982 transitions. [2022-11-20 11:27:27,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:27:27,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) Word has length 683 [2022-11-20 11:27:27,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:27,939 INFO L225 Difference]: With dead ends: 95551 [2022-11-20 11:27:27,940 INFO L226 Difference]: Without dead ends: 56542 [2022-11-20 11:27:28,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:27:28,173 INFO L413 NwaCegarLoop]: 6442 mSDtfsCounter, 2774 mSDsluCounter, 34116 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 981 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3019 SdHoareTripleChecker+Valid, 40558 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 981 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:28,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3019 Valid, 40558 Invalid, 1577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [981 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-20 11:27:28,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56542 states. [2022-11-20 11:27:32,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56542 to 40258. [2022-11-20 11:27:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40258 states, 26957 states have (on average 1.2642356345290648) internal successors, (34080), 27598 states have internal predecessors, (34080), 10852 states have call successors, (10852), 2450 states have call predecessors, (10852), 2448 states have return successors, (10874), 10744 states have call predecessors, (10874), 10852 states have call successors, (10874) [2022-11-20 11:27:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40258 states to 40258 states and 55806 transitions. [2022-11-20 11:27:32,606 INFO L78 Accepts]: Start accepts. Automaton has 40258 states and 55806 transitions. Word has length 683 [2022-11-20 11:27:32,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:32,607 INFO L495 AbstractCegarLoop]: Abstraction has 40258 states and 55806 transitions. [2022-11-20 11:27:32,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (71), 2 states have call predecessors, (71), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-20 11:27:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 40258 states and 55806 transitions. [2022-11-20 11:27:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-11-20 11:27:32,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:32,659 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:32,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-20 11:27:32,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:32,884 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1784548195, now seen corresponding path program 1 times [2022-11-20 11:27:32,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:32,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528523078] [2022-11-20 11:27:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:32,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:32,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:32,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:27:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:36,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:36,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8739 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 8607 trivial. 0 not checked. [2022-11-20 11:27:36,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:36,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:36,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528523078] [2022-11-20 11:27:36,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528523078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:36,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:36,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:36,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78024643] [2022-11-20 11:27:36,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:36,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:36,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:36,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:36,849 INFO L87 Difference]: Start difference. First operand 40258 states and 55806 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2022-11-20 11:27:42,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:42,192 INFO L93 Difference]: Finished difference Result 113194 states and 156466 transitions. [2022-11-20 11:27:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) Word has length 722 [2022-11-20 11:27:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:42,655 INFO L225 Difference]: With dead ends: 113194 [2022-11-20 11:27:42,656 INFO L226 Difference]: Without dead ends: 73029 [2022-11-20 11:27:43,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:43,046 INFO L413 NwaCegarLoop]: 5259 mSDtfsCounter, 3903 mSDsluCounter, 4405 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 9664 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:43,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3903 Valid, 9664 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:27:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73029 states. [2022-11-20 11:27:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73029 to 72995. [2022-11-20 11:27:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72995 states, 49011 states have (on average 1.2601456815816858) internal successors, (61761), 50123 states have internal predecessors, (61761), 19437 states have call successors, (19437), 4550 states have call predecessors, (19437), 4546 states have return successors, (19481), 19247 states have call predecessors, (19481), 19437 states have call successors, (19481) [2022-11-20 11:27:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72995 states to 72995 states and 100679 transitions. [2022-11-20 11:27:49,680 INFO L78 Accepts]: Start accepts. Automaton has 72995 states and 100679 transitions. Word has length 722 [2022-11-20 11:27:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:49,681 INFO L495 AbstractCegarLoop]: Abstraction has 72995 states and 100679 transitions. [2022-11-20 11:27:49,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2022-11-20 11:27:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 72995 states and 100679 transitions. [2022-11-20 11:27:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2022-11-20 11:27:49,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:49,761 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:49,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:49,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:49,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:49,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:49,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1570712989, now seen corresponding path program 1 times [2022-11-20 11:27:49,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:49,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480846395] [2022-11-20 11:27:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:49,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:49,982 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:50,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3596e9-2f8d-45ae-954a-91d1be7ffafa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 11:27:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 3394 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:53,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 9291 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 8952 trivial. 0 not checked. [2022-11-20 11:27:53,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:53,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:53,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480846395] [2022-11-20 11:27:53,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480846395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:53,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:53,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:53,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208721162] [2022-11-20 11:27:53,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:53,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:53,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:53,420 INFO L87 Difference]: Start difference. First operand 72995 states and 100679 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70)