./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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_9956aa80-28df-45a3-9daa-7f65999fd822/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 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- 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 12:48:15,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:48:15,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:48:15,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:48:15,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:48:15,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:48:15,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:48:15,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:48:15,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:48:15,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:48:15,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:48:15,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:48:15,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:48:15,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:48:15,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:48:15,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:48:15,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:48:15,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:48:15,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:48:15,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:48:15,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:48:15,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:48:15,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:48:15,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:48:15,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:48:15,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:48:15,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:48:15,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:48:15,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:48:15,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:48:15,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:48:15,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:48:15,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:48:15,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:48:15,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:48:15,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:48:15,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:48:15,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:48:15,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:48:15,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:48:15,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:48:15,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:48:15,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:48:15,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:48:15,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:48:15,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:48:15,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:48:15,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:48:15,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:48:15,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:48:15,929 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:48:15,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:48:15,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:48:15,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:48:15,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:48:15,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:48:15,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:48:15,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:48:15,931 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:48:15,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:48:15,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:48:15,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:48:15,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:48:15,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:15,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:48:15,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:48:15,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:48:15,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:48:15,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:48:15,933 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:48:15,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:48:15,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:48:15,934 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_9956aa80-28df-45a3-9daa-7f65999fd822/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-11-20 12:48:16,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:48:16,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:48:16,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:48:16,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:48:16,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:48:16,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-20 12:48:19,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:48:20,162 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:48:20,163 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-20 12:48:20,230 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/9992da037/929f160ddc40490c9ba72155accd7494/FLAGe20b80537 [2022-11-20 12:48:20,253 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/9992da037/929f160ddc40490c9ba72155accd7494 [2022-11-20 12:48:20,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:48:20,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:48:20,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:20,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:48:20,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:48:20,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:20" (1/1) ... [2022-11-20 12:48:20,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f99dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:20, skipping insertion in model container [2022-11-20 12:48:20,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:20" (1/1) ... [2022-11-20 12:48:20,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:48:20,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:48:22,697 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 12:48:22,702 INFO L158 Benchmark]: Toolchain (without parser) took 2441.30ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 118.0MB in the beginning and 148.3MB in the end (delta: -30.3MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-20 12:48:22,702 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:48:22,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2436.70ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 118.0MB in the beginning and 148.3MB in the end (delta: -30.3MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-20 12:48:22,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2436.70ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 118.0MB in the beginning and 148.3MB in the end (delta: -30.3MB). Peak memory consumption was 72.2MB. 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_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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_9956aa80-28df-45a3-9daa-7f65999fd822/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 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- 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 12:48:25,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:48:25,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:48:25,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:48:25,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:48:25,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:48:25,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:48:25,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:48:25,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:48:25,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:48:25,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:48:25,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:48:25,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:48:25,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:48:25,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:48:25,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:48:25,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:48:25,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:48:25,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:48:25,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:48:25,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:48:25,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:48:25,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:48:25,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:48:25,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:48:25,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:48:25,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:48:25,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:48:25,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:48:25,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:48:25,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:48:25,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:48:25,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:48:25,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:48:25,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:48:25,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:48:25,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:48:25,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:48:25,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:48:25,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:48:25,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:48:25,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:48:25,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:48:25,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:48:25,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:48:25,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:48:25,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:48:25,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:48:25,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:48:25,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:48:25,268 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:48:25,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:48:25,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:48:25,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:48:25,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:48:25,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:48:25,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:48:25,271 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:48:25,271 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:48:25,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:48:25,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:48:25,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:48:25,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:48:25,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:48:25,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:48:25,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:25,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:48:25,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:48:25,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:48:25,273 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:48:25,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:48:25,274 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:48:25,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:48:25,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:48:25,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:48:25,275 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_9956aa80-28df-45a3-9daa-7f65999fd822/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-11-20 12:48:25,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:48:25,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:48:25,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:48:25,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:48:25,706 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:48:25,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-20 12:48:28,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:48:29,834 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:48:29,834 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-20 12:48:29,901 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/aea8ded68/bb5f138595fb43ee9de69a620abfb029/FLAG2d45d46de [2022-11-20 12:48:29,925 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/data/aea8ded68/bb5f138595fb43ee9de69a620abfb029 [2022-11-20 12:48:29,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:48:29,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:48:29,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:29,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:48:29,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:48:29,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:29" (1/1) ... [2022-11-20 12:48:29,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c43055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:29, skipping insertion in model container [2022-11-20 12:48:29,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:29" (1/1) ... [2022-11-20 12:48:29,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:48:30,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:48:36,068 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_9956aa80-28df-45a3-9daa-7f65999fd822/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-11-20 12:48:36,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:36,612 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:48:36,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:48:37,443 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_9956aa80-28df-45a3-9daa-7f65999fd822/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-11-20 12:48:37,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:37,538 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:48:38,163 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_9956aa80-28df-45a3-9daa-7f65999fd822/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-11-20 12:48:38,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:38,571 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:48:38,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38 WrapperNode [2022-11-20 12:48:38,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:38,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:38,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:48:38,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:48:38,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:38,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,092 INFO L138 Inliner]: procedures = 728, calls = 6158, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 8762 [2022-11-20 12:48:39,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:39,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:48:39,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:48:39,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:48:39,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:48:39,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:48:39,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:48:39,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:48:39,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (1/1) ... [2022-11-20 12:48:39,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:39,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:39,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:48:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:48:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:48:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2022-11-20 12:48:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2022-11-20 12:48:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2022-11-20 12:48:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2022-11-20 12:48:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2022-11-20 12:48:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2022-11-20 12:48:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2022-11-20 12:48:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2022-11-20 12:48:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2022-11-20 12:48:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2022-11-20 12:48:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2022-11-20 12:48:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2022-11-20 12:48:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2022-11-20 12:48:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2022-11-20 12:48:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:48:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:48:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2022-11-20 12:48:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2022-11-20 12:48:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2022-11-20 12:48:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2022-11-20 12:48:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2022-11-20 12:48:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2022-11-20 12:48:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2022-11-20 12:48:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2022-11-20 12:48:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 12:48:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 12:48:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:48:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:48:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2022-11-20 12:48:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2022-11-20 12:48:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 12:48:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 12:48:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2022-11-20 12:48:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2022-11-20 12:48:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2022-11-20 12:48:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2022-11-20 12:48:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2022-11-20 12:48:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2022-11-20 12:48:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 12:48:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 12:48:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2022-11-20 12:48:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2022-11-20 12:48:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2022-11-20 12:48:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2022-11-20 12:48:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-20 12:48:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-20 12:48:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2022-11-20 12:48:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2022-11-20 12:48:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2022-11-20 12:48:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2022-11-20 12:48:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2022-11-20 12:48:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2022-11-20 12:48:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2022-11-20 12:48:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2022-11-20 12:48:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 12:48:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 12:48:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:48:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:48:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2022-11-20 12:48:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2022-11-20 12:48:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-11-20 12:48:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-11-20 12:48:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2022-11-20 12:48:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2022-11-20 12:48:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2022-11-20 12:48:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2022-11-20 12:48:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-11-20 12:48:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-11-20 12:48:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-11-20 12:48:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-11-20 12:48:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 12:48:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 12:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 12:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:48:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-11-20 12:48:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-11-20 12:48:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2022-11-20 12:48:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2022-11-20 12:48:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:48:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-20 12:48:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-20 12:48:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:48:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:48:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:48:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:48:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-20 12:48:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-20 12:48:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 12:48:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 12:48:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 12:48:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 12:48:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2022-11-20 12:48:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2022-11-20 12:48:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:48:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:48:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2022-11-20 12:48:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2022-11-20 12:48:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2022-11-20 12:48:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2022-11-20 12:48:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2022-11-20 12:48:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2022-11-20 12:48:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2022-11-20 12:48:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2022-11-20 12:48:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2022-11-20 12:48:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2022-11-20 12:48:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-20 12:48:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-20 12:48:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-11-20 12:48:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-11-20 12:48:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-20 12:48:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-20 12:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2022-11-20 12:48:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2022-11-20 12:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:48:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:48:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-11-20 12:48:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-11-20 12:48:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-20 12:48:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-20 12:48:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2022-11-20 12:48:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2022-11-20 12:48:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 12:48:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 12:48:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2022-11-20 12:48:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2022-11-20 12:48:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 12:48:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 12:48:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 12:48:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 12:48:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2022-11-20 12:48:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2022-11-20 12:48:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-11-20 12:48:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-11-20 12:48:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2022-11-20 12:48:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2022-11-20 12:48:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2022-11-20 12:48:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2022-11-20 12:48:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-11-20 12:48:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-11-20 12:48:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 12:48:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 12:48:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-20 12:48:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-20 12:48:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-20 12:48:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-20 12:48:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2022-11-20 12:48:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2022-11-20 12:48:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-20 12:48:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-20 12:48:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2022-11-20 12:48:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2022-11-20 12:48:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 12:48:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 12:48:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2022-11-20 12:48:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2022-11-20 12:48:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2022-11-20 12:48:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2022-11-20 12:48:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2022-11-20 12:48:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2022-11-20 12:48:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2022-11-20 12:48:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2022-11-20 12:48:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:48:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2022-11-20 12:48:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2022-11-20 12:48:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2022-11-20 12:48:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2022-11-20 12:48:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:48:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2022-11-20 12:48:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2022-11-20 12:48:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2022-11-20 12:48:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2022-11-20 12:48:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2022-11-20 12:48:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2022-11-20 12:48:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2022-11-20 12:48:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2022-11-20 12:48:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2022-11-20 12:48:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:48:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:48:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:48:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2022-11-20 12:48:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2022-11-20 12:48:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 12:48:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 12:48:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2022-11-20 12:48:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2022-11-20 12:48:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2022-11-20 12:48:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2022-11-20 12:48:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2022-11-20 12:48:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2022-11-20 12:48:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2022-11-20 12:48:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2022-11-20 12:48:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 12:48:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 12:48:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 12:48:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 12:48:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2022-11-20 12:48:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2022-11-20 12:48:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:48:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:48:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2022-11-20 12:48:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2022-11-20 12:48:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2022-11-20 12:48:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2022-11-20 12:48:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2022-11-20 12:48:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2022-11-20 12:48:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 12:48:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 12:48:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:48:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2022-11-20 12:48:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2022-11-20 12:48:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2022-11-20 12:48:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2022-11-20 12:48:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:48:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:48:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 12:48:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 12:48:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2022-11-20 12:48:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2022-11-20 12:48:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2022-11-20 12:48:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2022-11-20 12:48:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:48:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-20 12:48:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-20 12:48:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:48:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2022-11-20 12:48:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:48:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:48:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2022-11-20 12:48:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2022-11-20 12:48:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2022-11-20 12:48:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2022-11-20 12:48:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 12:48:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 12:48:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2022-11-20 12:48:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2022-11-20 12:48:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-20 12:48:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-20 12:48:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2022-11-20 12:48:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2022-11-20 12:48:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 12:48:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 12:48:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:48:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:48:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:48:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:48:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:48:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:48:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-20 12:48:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-20 12:48:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:48:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:48:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-20 12:48:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-20 12:48:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-11-20 12:48:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-11-20 12:48:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2022-11-20 12:48:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2022-11-20 12:48:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2022-11-20 12:48:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2022-11-20 12:48:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-20 12:48:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-20 12:48:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 12:48:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 12:48:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2022-11-20 12:48:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2022-11-20 12:48:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2022-11-20 12:48:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2022-11-20 12:48:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 12:48:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 12:48:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:48:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:48:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:48:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2022-11-20 12:48:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2022-11-20 12:48:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2022-11-20 12:48:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2022-11-20 12:48:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2022-11-20 12:48:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2022-11-20 12:48:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2022-11-20 12:48:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2022-11-20 12:48:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:48:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2022-11-20 12:48:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2022-11-20 12:48:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 12:48:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 12:48:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-11-20 12:48:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-11-20 12:48:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-20 12:48:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-20 12:48:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2022-11-20 12:48:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2022-11-20 12:48:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:48:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2022-11-20 12:48:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2022-11-20 12:48:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2022-11-20 12:48:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 12:48:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 12:48:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 12:48:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 12:48:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-20 12:48:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-20 12:48:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2022-11-20 12:48:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2022-11-20 12:48:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2022-11-20 12:48:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2022-11-20 12:48:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 12:48:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 12:48:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2022-11-20 12:48:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2022-11-20 12:48:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-11-20 12:48:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-11-20 12:48:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2022-11-20 12:48:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2022-11-20 12:48:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2022-11-20 12:48:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2022-11-20 12:48:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 12:48:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 12:48:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2022-11-20 12:48:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2022-11-20 12:48:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2022-11-20 12:48:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2022-11-20 12:48:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:48:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:48:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2022-11-20 12:48:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2022-11-20 12:48:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-11-20 12:48:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-11-20 12:48:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2022-11-20 12:48:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2022-11-20 12:48:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:48:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:48:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2022-11-20 12:48:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2022-11-20 12:48:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2022-11-20 12:48:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2022-11-20 12:48:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-20 12:48:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-20 12:48:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:48:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:48:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:48:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:48:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 12:48:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 12:48:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:48:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:48:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-11-20 12:48:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-11-20 12:48:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2022-11-20 12:48:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2022-11-20 12:48:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-20 12:48:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-20 12:48:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 12:48:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 12:48:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2022-11-20 12:48:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2022-11-20 12:48:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2022-11-20 12:48:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2022-11-20 12:48:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 12:48:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 12:48:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:48:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:48:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2022-11-20 12:48:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2022-11-20 12:48:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2022-11-20 12:48:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2022-11-20 12:48:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2022-11-20 12:48:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2022-11-20 12:48:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 12:48:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 12:48:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2022-11-20 12:48:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2022-11-20 12:48:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2022-11-20 12:48:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2022-11-20 12:48:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-20 12:48:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-20 12:48:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-11-20 12:48:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-11-20 12:48:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2022-11-20 12:48:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2022-11-20 12:48:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 12:48:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 12:48:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-20 12:48:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-20 12:48:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 12:48:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 12:48:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 12:48:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 12:48:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-11-20 12:48:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-11-20 12:48:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2022-11-20 12:48:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2022-11-20 12:48:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-11-20 12:48:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-11-20 12:48:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 12:48:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 12:48:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 12:48:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 12:48:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2022-11-20 12:48:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2022-11-20 12:48:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2022-11-20 12:48:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2022-11-20 12:48:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2022-11-20 12:48:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2022-11-20 12:48:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2022-11-20 12:48:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2022-11-20 12:48:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2022-11-20 12:48:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2022-11-20 12:48:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2022-11-20 12:48:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2022-11-20 12:48:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:48:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:48:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 12:48:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 12:48:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 12:48:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 12:48:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2022-11-20 12:48:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2022-11-20 12:48:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-20 12:48:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-20 12:48:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2022-11-20 12:48:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2022-11-20 12:48:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2022-11-20 12:48:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2022-11-20 12:48:41,348 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:48:41,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:48:44,033 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:50:18,207 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:50:18,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:50:18,244 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:50:18,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:50:18 BoogieIcfgContainer [2022-11-20 12:50:18,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:50:18,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:50:18,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:50:18,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:50:18,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:48:29" (1/3) ... [2022-11-20 12:50:18,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e3cf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:50:18, skipping insertion in model container [2022-11-20 12:50:18,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:38" (2/3) ... [2022-11-20 12:50:18,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e3cf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:50:18, skipping insertion in model container [2022-11-20 12:50:18,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:50:18" (3/3) ... [2022-11-20 12:50:18,262 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-20 12:50:18,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:50:18,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:50:18,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:50:18,426 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;@16cc9313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:50:18,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:50:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 3341 states, 2294 states have (on average 1.364864864864865) internal successors, (3131), 2361 states have internal predecessors, (3131), 842 states have call successors, (842), 204 states have call predecessors, (842), 203 states have return successors, (838), 832 states have call predecessors, (838), 838 states have call successors, (838) [2022-11-20 12:50:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 12:50:18,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:18,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 12:50:18,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:18,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:18,470 INFO L85 PathProgramCache]: Analyzing trace with hash -898486880, now seen corresponding path program 1 times [2022-11-20 12:50:18,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:18,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918807081] [2022-11-20 12:50:18,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:18,493 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 12:50:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:18,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:18,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:24,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:50:24,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:24,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:50:24,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:50:24,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918807081] [2022-11-20 12:50:24,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918807081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:50:24,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:50:24,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:50:24,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520783189] [2022-11-20 12:50:24,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:50:24,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:50:24,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:50:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:50:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:50:24,487 INFO L87 Difference]: Start difference. First operand has 3341 states, 2294 states have (on average 1.364864864864865) internal successors, (3131), 2361 states have internal predecessors, (3131), 842 states have call successors, (842), 204 states have call predecessors, (842), 203 states have return successors, (838), 832 states have call predecessors, (838), 838 states have call successors, (838) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:24,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:50:24,908 INFO L93 Difference]: Finished difference Result 6677 states and 9801 transitions. [2022-11-20 12:50:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:50:24,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-20 12:50:24,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:24,959 INFO L225 Difference]: With dead ends: 6677 [2022-11-20 12:50:24,959 INFO L226 Difference]: Without dead ends: 3333 [2022-11-20 12:50:24,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 12:50:24,992 INFO L413 NwaCegarLoop]: 4792 mSDtfsCounter, 1 mSDsluCounter, 4788 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9580 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:24,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9580 Invalid, 6 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:50:25,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2022-11-20 12:50:25,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3331. [2022-11-20 12:50:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 2290 states have (on average 1.3624454148471616) internal successors, (3120), 2351 states have internal predecessors, (3120), 838 states have call successors, (838), 203 states have call predecessors, (838), 202 states have return successors, (823), 817 states have call predecessors, (823), 823 states have call successors, (823) [2022-11-20 12:50:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 4781 transitions. [2022-11-20 12:50:25,283 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 4781 transitions. Word has length 27 [2022-11-20 12:50:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:50:25,285 INFO L495 AbstractCegarLoop]: Abstraction has 3331 states and 4781 transitions. [2022-11-20 12:50:25,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:50:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 4781 transitions. [2022-11-20 12:50:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 12:50:25,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:25,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 12:50:25,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:25,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:25,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:25,507 INFO L85 PathProgramCache]: Analyzing trace with hash 605844982, now seen corresponding path program 1 times [2022-11-20 12:50:25,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:25,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856601575] [2022-11-20 12:50:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:25,510 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 12:50:25,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:25,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:25,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:31,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:50:31,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:31,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:50:31,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:50:31,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856601575] [2022-11-20 12:50:31,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856601575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:50:31,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:50:31,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:50:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480924181] [2022-11-20 12:50:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:50:31,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:50:31,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:50:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:50:31,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:50:31,180 INFO L87 Difference]: Start difference. First operand 3331 states and 4781 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:50:32,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:50:32,191 INFO L93 Difference]: Finished difference Result 9894 states and 14202 transitions. [2022-11-20 12:50:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:50:32,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-20 12:50:32,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:32,252 INFO L225 Difference]: With dead ends: 9894 [2022-11-20 12:50:32,253 INFO L226 Difference]: Without dead ends: 6569 [2022-11-20 12:50:32,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 12:50:32,272 INFO L413 NwaCegarLoop]: 8068 mSDtfsCounter, 4693 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 12776 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:32,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4693 Valid, 12776 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:50:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6569 states. [2022-11-20 12:50:32,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6559. [2022-11-20 12:50:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6559 states, 4513 states have (on average 1.3622867272324397) internal successors, (6148), 4620 states have internal predecessors, (6148), 1641 states have call successors, (1641), 405 states have call predecessors, (1641), 404 states have return successors, (1626), 1614 states have call predecessors, (1626), 1626 states have call successors, (1626) [2022-11-20 12:50:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9415 transitions. [2022-11-20 12:50:32,652 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 9415 transitions. Word has length 29 [2022-11-20 12:50:32,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:50:32,653 INFO L495 AbstractCegarLoop]: Abstraction has 6559 states and 9415 transitions. [2022-11-20 12:50:32,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:50:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 9415 transitions. [2022-11-20 12:50:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 12:50:32,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:32,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:32,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:32,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:32,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:32,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:32,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1286336476, now seen corresponding path program 1 times [2022-11-20 12:50:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:32,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697510863] [2022-11-20 12:50:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:32,862 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 12:50:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:32,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:32,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:38,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:50:38,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:38,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:50:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:38,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:50:38,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697510863] [2022-11-20 12:50:38,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697510863] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:50:38,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:50:38,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 12:50:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48048558] [2022-11-20 12:50:38,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:50:38,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:50:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:50:38,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:50:38,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:50:38,531 INFO L87 Difference]: Start difference. First operand 6559 states and 9415 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:50:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:50:39,141 INFO L93 Difference]: Finished difference Result 13121 states and 18839 transitions. [2022-11-20 12:50:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:50:39,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2022-11-20 12:50:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:39,197 INFO L225 Difference]: With dead ends: 13121 [2022-11-20 12:50:39,197 INFO L226 Difference]: Without dead ends: 6568 [2022-11-20 12:50:39,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:50:39,236 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 5 mSDsluCounter, 9548 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14330 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:39,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14330 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:50:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6568 states. [2022-11-20 12:50:39,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6568 to 6568. [2022-11-20 12:50:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 4519 states have (on average 1.3618057092277052) internal successors, (6154), 4626 states have internal predecessors, (6154), 1644 states have call successors, (1644), 405 states have call predecessors, (1644), 404 states have return successors, (1629), 1617 states have call predecessors, (1629), 1629 states have call successors, (1629) [2022-11-20 12:50:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9427 transitions. [2022-11-20 12:50:39,820 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 9427 transitions. Word has length 33 [2022-11-20 12:50:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:50:39,820 INFO L495 AbstractCegarLoop]: Abstraction has 6568 states and 9427 transitions. [2022-11-20 12:50:39,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:50:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 9427 transitions. [2022-11-20 12:50:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 12:50:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:39,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:39,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:40,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:40,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1919868182, now seen corresponding path program 1 times [2022-11-20 12:50:40,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:40,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873754883] [2022-11-20 12:50:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:40,051 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 12:50:40,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:40,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:40,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:50:45,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 3050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:50:45,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:50:45,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:50:45,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:50:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873754883] [2022-11-20 12:50:45,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873754883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:50:45,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:50:45,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:50:45,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035824687] [2022-11-20 12:50:45,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:50:45,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:50:45,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:50:45,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:50:45,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:50:45,924 INFO L87 Difference]: Start difference. First operand 6568 states and 9427 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-20 12:50:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:50:47,212 INFO L93 Difference]: Finished difference Result 19648 states and 28202 transitions. [2022-11-20 12:50:47,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:50:47,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2022-11-20 12:50:47,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:47,312 INFO L225 Difference]: With dead ends: 19648 [2022-11-20 12:50:47,312 INFO L226 Difference]: Without dead ends: 13086 [2022-11-20 12:50:47,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 12:50:47,343 INFO L413 NwaCegarLoop]: 5847 mSDtfsCounter, 4731 mSDsluCounter, 4759 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 10606 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:47,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4731 Valid, 10606 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:50:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13086 states. [2022-11-20 12:50:48,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13086 to 13058. [2022-11-20 12:50:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13058 states, 8984 states have (on average 1.361420302760463) internal successors, (12231), 9185 states have internal predecessors, (12231), 3265 states have call successors, (3265), 809 states have call predecessors, (3265), 808 states have return successors, (3250), 3225 states have call predecessors, (3250), 3250 states have call successors, (3250) [2022-11-20 12:50:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13058 states to 13058 states and 18746 transitions. [2022-11-20 12:50:48,130 INFO L78 Accepts]: Start accepts. Automaton has 13058 states and 18746 transitions. Word has length 51 [2022-11-20 12:50:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:50:48,130 INFO L495 AbstractCegarLoop]: Abstraction has 13058 states and 18746 transitions. [2022-11-20 12:50:48,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-20 12:50:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 13058 states and 18746 transitions. [2022-11-20 12:50:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 12:50:48,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:48,136 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:50:48,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:48,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:48,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:48,351 INFO L85 PathProgramCache]: Analyzing trace with hash -974060112, now seen corresponding path program 2 times [2022-11-20 12:50:48,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:48,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960815489] [2022-11-20 12:50:48,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:50:48,354 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 12:50:48,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:48,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:53,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:50:53,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:50:53,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:50:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:50:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 12:50:53,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:50:53,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:50:53,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960815489] [2022-11-20 12:50:53,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960815489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:50:53,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:50:53,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:50:53,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985876805] [2022-11-20 12:50:53,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:50:53,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:50:53,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:50:53,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:50:53,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:50:53,787 INFO L87 Difference]: Start difference. First operand 13058 states and 18746 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:50:54,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:50:54,740 INFO L93 Difference]: Finished difference Result 26168 states and 37578 transitions. [2022-11-20 12:50:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:50:54,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-11-20 12:50:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:50:54,821 INFO L225 Difference]: With dead ends: 26168 [2022-11-20 12:50:54,822 INFO L226 Difference]: Without dead ends: 13116 [2022-11-20 12:50:54,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:50:54,884 INFO L413 NwaCegarLoop]: 4869 mSDtfsCounter, 341 mSDsluCounter, 9329 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 14198 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:50:54,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 14198 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:50:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13116 states. [2022-11-20 12:50:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13116 to 13058. [2022-11-20 12:50:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13058 states, 8984 states have (on average 1.3611976847729297) internal successors, (12229), 9185 states have internal predecessors, (12229), 3265 states have call successors, (3265), 809 states have call predecessors, (3265), 808 states have return successors, (3250), 3225 states have call predecessors, (3250), 3250 states have call successors, (3250) [2022-11-20 12:50:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13058 states to 13058 states and 18744 transitions. [2022-11-20 12:50:55,753 INFO L78 Accepts]: Start accepts. Automaton has 13058 states and 18744 transitions. Word has length 51 [2022-11-20 12:50:55,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:50:55,754 INFO L495 AbstractCegarLoop]: Abstraction has 13058 states and 18744 transitions. [2022-11-20 12:50:55,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:50:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 13058 states and 18744 transitions. [2022-11-20 12:50:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 12:50:55,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:50:55,756 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:50:55,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:55,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:55,978 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:50:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:50:55,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1751895922, now seen corresponding path program 1 times [2022-11-20 12:50:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:50:55,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210476138] [2022-11-20 12:50:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:50:55,983 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 12:50:55,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:50:55,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:50:56,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:51:01,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 12:51:01,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:51:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 12:51:02,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:02,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210476138] [2022-11-20 12:51:02,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210476138] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:51:02,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:51:02,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 12:51:02,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188313018] [2022-11-20 12:51:02,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:51:02,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:51:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:51:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:51:02,408 INFO L87 Difference]: Start difference. First operand 13058 states and 18744 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:51:03,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:03,861 INFO L93 Difference]: Finished difference Result 26128 states and 37512 transitions. [2022-11-20 12:51:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:51:03,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 54 [2022-11-20 12:51:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:03,933 INFO L225 Difference]: With dead ends: 26128 [2022-11-20 12:51:03,933 INFO L226 Difference]: Without dead ends: 13076 [2022-11-20 12:51:03,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:51:03,979 INFO L413 NwaCegarLoop]: 4787 mSDtfsCounter, 8 mSDsluCounter, 23865 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 28652 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:03,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 28652 Invalid, 118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:51:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13076 states. [2022-11-20 12:51:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13076 to 13076. [2022-11-20 12:51:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13076 states, 8996 states have (on average 1.360715873721654) internal successors, (12241), 9197 states have internal predecessors, (12241), 3271 states have call successors, (3271), 809 states have call predecessors, (3271), 808 states have return successors, (3256), 3231 states have call predecessors, (3256), 3256 states have call successors, (3256) [2022-11-20 12:51:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13076 states to 13076 states and 18768 transitions. [2022-11-20 12:51:04,775 INFO L78 Accepts]: Start accepts. Automaton has 13076 states and 18768 transitions. Word has length 54 [2022-11-20 12:51:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:04,776 INFO L495 AbstractCegarLoop]: Abstraction has 13076 states and 18768 transitions. [2022-11-20 12:51:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:51:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 13076 states and 18768 transitions. [2022-11-20 12:51:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 12:51:04,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:04,780 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 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 12:51:04,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:04,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:04,981 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:04,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:04,982 INFO L85 PathProgramCache]: Analyzing trace with hash 187984514, now seen corresponding path program 2 times [2022-11-20 12:51:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:04,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387297505] [2022-11-20 12:51:04,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:51:04,985 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 12:51:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:04,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:10,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:51:10,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:51:10,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:51:10,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:51:10,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:10,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:10,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387297505] [2022-11-20 12:51:10,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387297505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:10,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:10,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:51:10,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693679191] [2022-11-20 12:51:10,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:10,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:51:10,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:10,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:51:10,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:51:10,871 INFO L87 Difference]: Start difference. First operand 13076 states and 18768 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:51:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:11,581 INFO L93 Difference]: Finished difference Result 26146 states and 37530 transitions. [2022-11-20 12:51:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:51:11,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-11-20 12:51:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:11,645 INFO L225 Difference]: With dead ends: 26146 [2022-11-20 12:51:11,645 INFO L226 Difference]: Without dead ends: 13076 [2022-11-20 12:51:11,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 12:51:11,685 INFO L413 NwaCegarLoop]: 4777 mSDtfsCounter, 4750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4750 SdHoareTripleChecker+Valid, 4777 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:11,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4750 Valid, 4777 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:51:11,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13076 states. [2022-11-20 12:51:12,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13076 to 13076. [2022-11-20 12:51:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13076 states, 8996 states have (on average 1.3604935526900845) internal successors, (12239), 9197 states have internal predecessors, (12239), 3271 states have call successors, (3271), 809 states have call predecessors, (3271), 808 states have return successors, (3256), 3231 states have call predecessors, (3256), 3256 states have call successors, (3256) [2022-11-20 12:51:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13076 states to 13076 states and 18766 transitions. [2022-11-20 12:51:12,604 INFO L78 Accepts]: Start accepts. Automaton has 13076 states and 18766 transitions. Word has length 72 [2022-11-20 12:51:12,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:12,605 INFO L495 AbstractCegarLoop]: Abstraction has 13076 states and 18766 transitions. [2022-11-20 12:51:12,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:51:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 13076 states and 18766 transitions. [2022-11-20 12:51:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 12:51:12,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:12,608 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:51:12,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:12,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:12,830 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:12,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:12,831 INFO L85 PathProgramCache]: Analyzing trace with hash -626444011, now seen corresponding path program 1 times [2022-11-20 12:51:12,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:12,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18661245] [2022-11-20 12:51:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:12,834 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 12:51:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:12,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:12,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:18,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 3141 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:51:18,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-20 12:51:18,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:18,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:18,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18661245] [2022-11-20 12:51:18,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18661245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:18,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:18,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:51:18,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27098757] [2022-11-20 12:51:18,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:18,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:51:18,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:18,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:51:18,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:51:18,368 INFO L87 Difference]: Start difference. First operand 13076 states and 18766 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 12:51:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:19,707 INFO L93 Difference]: Finished difference Result 32229 states and 45819 transitions. [2022-11-20 12:51:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:51:19,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2022-11-20 12:51:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:19,805 INFO L225 Difference]: With dead ends: 32229 [2022-11-20 12:51:19,806 INFO L226 Difference]: Without dead ends: 19159 [2022-11-20 12:51:19,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 12:51:19,855 INFO L413 NwaCegarLoop]: 5331 mSDtfsCounter, 2777 mSDsluCounter, 4716 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 10047 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:19,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 10047 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:51:19,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19159 states. [2022-11-20 12:51:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19159 to 19131. [2022-11-20 12:51:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19131 states, 13123 states have (on average 1.3487007544006706) internal successors, (17699), 13434 states have internal predecessors, (17699), 4669 states have call successors, (4669), 1339 states have call predecessors, (4669), 1338 states have return successors, (4654), 4609 states have call predecessors, (4654), 4654 states have call successors, (4654) [2022-11-20 12:51:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19131 states to 19131 states and 27022 transitions. [2022-11-20 12:51:21,082 INFO L78 Accepts]: Start accepts. Automaton has 19131 states and 27022 transitions. Word has length 101 [2022-11-20 12:51:21,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:21,083 INFO L495 AbstractCegarLoop]: Abstraction has 19131 states and 27022 transitions. [2022-11-20 12:51:21,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 12:51:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19131 states and 27022 transitions. [2022-11-20 12:51:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 12:51:21,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:21,090 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:21,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:21,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:21,306 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:21,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash 329321457, now seen corresponding path program 1 times [2022-11-20 12:51:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:21,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159373404] [2022-11-20 12:51:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:21,311 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 12:51:21,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:21,313 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:21,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 3054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:51:26,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:51:27,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:27,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:27,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159373404] [2022-11-20 12:51:27,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159373404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:27,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:27,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:51:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683292067] [2022-11-20 12:51:27,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:27,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:51:27,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:27,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:51:27,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:51:27,405 INFO L87 Difference]: Start difference. First operand 19131 states and 27022 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 12:51:28,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:28,394 INFO L93 Difference]: Finished difference Result 37916 states and 53601 transitions. [2022-11-20 12:51:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:51:28,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 105 [2022-11-20 12:51:28,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:28,470 INFO L225 Difference]: With dead ends: 37916 [2022-11-20 12:51:28,470 INFO L226 Difference]: Without dead ends: 18791 [2022-11-20 12:51:28,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 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 12:51:28,522 INFO L413 NwaCegarLoop]: 4776 mSDtfsCounter, 4750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4750 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:28,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4750 Valid, 4776 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:51:28,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18791 states. [2022-11-20 12:51:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18791 to 18785. [2022-11-20 12:51:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18785 states, 12882 states have (on average 1.3494798944263313) internal successors, (17384), 13189 states have internal predecessors, (17384), 4603 states have call successors, (4603), 1300 states have call predecessors, (4603), 1299 states have return successors, (4588), 4543 states have call predecessors, (4588), 4588 states have call successors, (4588) [2022-11-20 12:51:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18785 states to 18785 states and 26575 transitions. [2022-11-20 12:51:29,921 INFO L78 Accepts]: Start accepts. Automaton has 18785 states and 26575 transitions. Word has length 105 [2022-11-20 12:51:29,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:29,922 INFO L495 AbstractCegarLoop]: Abstraction has 18785 states and 26575 transitions. [2022-11-20 12:51:29,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 12:51:29,922 INFO L276 IsEmpty]: Start isEmpty. Operand 18785 states and 26575 transitions. [2022-11-20 12:51:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 12:51:29,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:29,924 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:30,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:30,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:30,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:30,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1558415304, now seen corresponding path program 1 times [2022-11-20 12:51:30,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:30,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046567580] [2022-11-20 12:51:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:30,143 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 12:51:30,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:30,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:30,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 12:51:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:35,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 3133 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:51:35,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:51:35,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:35,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046567580] [2022-11-20 12:51:35,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046567580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:35,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:35,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:51:35,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592156654] [2022-11-20 12:51:35,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:35,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:51:35,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:35,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:51:35,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:51:35,985 INFO L87 Difference]: Start difference. First operand 18785 states and 26575 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:37,380 INFO L93 Difference]: Finished difference Result 37634 states and 53236 transitions. [2022-11-20 12:51:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:51:37,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 126 [2022-11-20 12:51:37,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:37,460 INFO L225 Difference]: With dead ends: 37634 [2022-11-20 12:51:37,460 INFO L226 Difference]: Without dead ends: 18848 [2022-11-20 12:51:37,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:51:37,528 INFO L413 NwaCegarLoop]: 4774 mSDtfsCounter, 43 mSDsluCounter, 9463 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 14237 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:37,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 14237 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:51:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18848 states. [2022-11-20 12:51:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18848 to 18788. [2022-11-20 12:51:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18788 states, 12885 states have (on average 1.3493209157935584) internal successors, (17386), 13193 states have internal predecessors, (17386), 4602 states have call successors, (4602), 1300 states have call predecessors, (4602), 1300 states have return successors, (4588), 4542 states have call predecessors, (4588), 4587 states have call successors, (4588) [2022-11-20 12:51:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18788 states to 18788 states and 26576 transitions. [2022-11-20 12:51:38,864 INFO L78 Accepts]: Start accepts. Automaton has 18788 states and 26576 transitions. Word has length 126 [2022-11-20 12:51:38,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:38,868 INFO L495 AbstractCegarLoop]: Abstraction has 18788 states and 26576 transitions. [2022-11-20 12:51:38,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 18788 states and 26576 transitions. [2022-11-20 12:51:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 12:51:38,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:38,871 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:38,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:39,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:39,093 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:39,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:39,094 INFO L85 PathProgramCache]: Analyzing trace with hash -881700700, now seen corresponding path program 1 times [2022-11-20 12:51:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:39,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811551796] [2022-11-20 12:51:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:39,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:51:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:39,101 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:39,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 12:51:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:44,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 3134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:51:44,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:51:44,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:44,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:44,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811551796] [2022-11-20 12:51:44,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811551796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:44,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:44,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:51:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966245173] [2022-11-20 12:51:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:44,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:51:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:51:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:51:44,864 INFO L87 Difference]: Start difference. First operand 18788 states and 26576 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:46,500 INFO L93 Difference]: Finished difference Result 37595 states and 53172 transitions. [2022-11-20 12:51:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:51:46,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 127 [2022-11-20 12:51:46,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:46,580 INFO L225 Difference]: With dead ends: 37595 [2022-11-20 12:51:46,581 INFO L226 Difference]: Without dead ends: 18806 [2022-11-20 12:51:46,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:51:46,636 INFO L413 NwaCegarLoop]: 4772 mSDtfsCounter, 45 mSDsluCounter, 9456 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 14228 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:46,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 14228 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 12:51:46,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18806 states. [2022-11-20 12:51:48,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18806 to 18786. [2022-11-20 12:51:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18786 states, 12884 states have (on average 1.3492704129152437) internal successors, (17384), 13192 states have internal predecessors, (17384), 4601 states have call successors, (4601), 1300 states have call predecessors, (4601), 1300 states have return successors, (4587), 4541 states have call predecessors, (4587), 4586 states have call successors, (4587) [2022-11-20 12:51:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18786 states to 18786 states and 26572 transitions. [2022-11-20 12:51:48,092 INFO L78 Accepts]: Start accepts. Automaton has 18786 states and 26572 transitions. Word has length 127 [2022-11-20 12:51:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:48,093 INFO L495 AbstractCegarLoop]: Abstraction has 18786 states and 26572 transitions. [2022-11-20 12:51:48,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 18786 states and 26572 transitions. [2022-11-20 12:51:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 12:51:48,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:48,095 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:48,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:51:48,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:48,311 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:48,311 INFO L85 PathProgramCache]: Analyzing trace with hash 760875967, now seen corresponding path program 1 times [2022-11-20 12:51:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:48,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760109392] [2022-11-20 12:51:48,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:48,315 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 12:51:48,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:48,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:48,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 12:51:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:51:53,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 3135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:51:53,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:51:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:51:53,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:51:53,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:51:53,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760109392] [2022-11-20 12:51:53,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760109392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:51:53,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:51:53,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:51:53,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628663724] [2022-11-20 12:51:53,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:51:53,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:51:53,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:51:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:51:53,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:51:53,861 INFO L87 Difference]: Start difference. First operand 18786 states and 26572 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:51:55,790 INFO L93 Difference]: Finished difference Result 37591 states and 53164 transitions. [2022-11-20 12:51:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:51:55,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 128 [2022-11-20 12:51:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:51:55,841 INFO L225 Difference]: With dead ends: 37591 [2022-11-20 12:51:55,841 INFO L226 Difference]: Without dead ends: 18804 [2022-11-20 12:51:55,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:51:55,877 INFO L413 NwaCegarLoop]: 4772 mSDtfsCounter, 44 mSDsluCounter, 9456 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 14228 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:51:55,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 14228 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:51:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18804 states. [2022-11-20 12:51:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18804 to 18784. [2022-11-20 12:51:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18784 states, 12883 states have (on average 1.3492199021966933) internal successors, (17382), 13191 states have internal predecessors, (17382), 4600 states have call successors, (4600), 1300 states have call predecessors, (4600), 1300 states have return successors, (4586), 4540 states have call predecessors, (4586), 4585 states have call successors, (4586) [2022-11-20 12:51:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18784 states to 18784 states and 26568 transitions. [2022-11-20 12:51:57,125 INFO L78 Accepts]: Start accepts. Automaton has 18784 states and 26568 transitions. Word has length 128 [2022-11-20 12:51:57,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:51:57,126 INFO L495 AbstractCegarLoop]: Abstraction has 18784 states and 26568 transitions. [2022-11-20 12:51:57,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 12:51:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 18784 states and 26568 transitions. [2022-11-20 12:51:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 12:51:57,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:51:57,128 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:57,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-11-20 12:51:57,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:57,329 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:51:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:51:57,329 INFO L85 PathProgramCache]: Analyzing trace with hash -276827642, now seen corresponding path program 1 times [2022-11-20 12:51:57,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:51:57,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373625162] [2022-11-20 12:51:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:51:57,332 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 12:51:57,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:51:57,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:51:57,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 12:52:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:52:02,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 3187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:52:02,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:52:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:52:05,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:52:05,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:52:05,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373625162] [2022-11-20 12:52:05,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373625162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:52:05,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:52:05,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:52:05,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290031465] [2022-11-20 12:52:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:52:05,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:52:05,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:52:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:52:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:52:05,702 INFO L87 Difference]: Start difference. First operand 18784 states and 26568 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 12:52:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:52:07,909 INFO L93 Difference]: Finished difference Result 54460 states and 77116 transitions. [2022-11-20 12:52:07,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:52:07,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 145 [2022-11-20 12:52:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:52:08,036 INFO L225 Difference]: With dead ends: 54460 [2022-11-20 12:52:08,036 INFO L226 Difference]: Without dead ends: 35682 [2022-11-20 12:52:08,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 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 12:52:08,083 INFO L413 NwaCegarLoop]: 9232 mSDtfsCounter, 4629 mSDsluCounter, 4760 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 13992 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:52:08,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4629 Valid, 13992 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:52:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35682 states. [2022-11-20 12:52:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35682 to 35656. [2022-11-20 12:52:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35656 states, 24481 states have (on average 1.3504350312487234) internal successors, (33060), 25048 states have internal predecessors, (33060), 8733 states have call successors, (8733), 2440 states have call predecessors, (8733), 2441 states have return successors, (8720), 8633 states have call predecessors, (8720), 8718 states have call successors, (8720) [2022-11-20 12:52:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35656 states to 35656 states and 50513 transitions. [2022-11-20 12:52:10,360 INFO L78 Accepts]: Start accepts. Automaton has 35656 states and 50513 transitions. Word has length 145 [2022-11-20 12:52:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:52:10,361 INFO L495 AbstractCegarLoop]: Abstraction has 35656 states and 50513 transitions. [2022-11-20 12:52:10,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 12:52:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 35656 states and 50513 transitions. [2022-11-20 12:52:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 12:52:10,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:52:10,364 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:10,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:52:10,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:52:10,587 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:52:10,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:52:10,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1086174268, now seen corresponding path program 1 times [2022-11-20 12:52:10,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:52:10,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015535931] [2022-11-20 12:52:10,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:52:10,590 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 12:52:10,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:52:10,590 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:52:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 12:52:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:52:16,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 12:52:16,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:52:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:52:18,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:52:18,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:52:18,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015535931] [2022-11-20 12:52:18,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015535931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:52:18,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:52:18,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 12:52:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385501837] [2022-11-20 12:52:18,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:52:18,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 12:52:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:52:18,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:52:18,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:52:18,019 INFO L87 Difference]: Start difference. First operand 35656 states and 50513 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 11 states have internal predecessors, (84), 3 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 12:53:07,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:53:07,819 INFO L93 Difference]: Finished difference Result 108154 states and 153321 transitions. [2022-11-20 12:53:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 12:53:07,823 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 11 states have internal predecessors, (84), 3 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 145 [2022-11-20 12:53:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:53:08,081 INFO L225 Difference]: With dead ends: 108154 [2022-11-20 12:53:08,081 INFO L226 Difference]: Without dead ends: 72504 [2022-11-20 12:53:08,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:53:08,182 INFO L413 NwaCegarLoop]: 5819 mSDtfsCounter, 5218 mSDsluCounter, 57519 mSDsCounter, 0 mSdLazyCounter, 3771 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5222 SdHoareTripleChecker+Valid, 63338 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:53:08,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5222 Valid, 63338 Invalid, 3854 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [83 Valid, 3771 Invalid, 0 Unknown, 0 Unchecked, 43.4s Time] [2022-11-20 12:53:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72504 states. [2022-11-20 12:53:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72504 to 69460. [2022-11-20 12:53:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69460 states, 47722 states have (on average 1.3509492477264156) internal successors, (64470), 48806 states have internal predecessors, (64470), 17010 states have call successors, (17010), 4716 states have call predecessors, (17010), 4727 states have return successors, (17011), 16832 states have call predecessors, (17011), 16995 states have call successors, (17011) [2022-11-20 12:53:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69460 states to 69460 states and 98491 transitions. [2022-11-20 12:53:13,533 INFO L78 Accepts]: Start accepts. Automaton has 69460 states and 98491 transitions. Word has length 145 [2022-11-20 12:53:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:53:13,534 INFO L495 AbstractCegarLoop]: Abstraction has 69460 states and 98491 transitions. [2022-11-20 12:53:13,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 11 states have internal predecessors, (84), 3 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 12:53:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 69460 states and 98491 transitions. [2022-11-20 12:53:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-20 12:53:13,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:53:13,539 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:13,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:53:13,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:53:13,763 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:53:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:53:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash 318218733, now seen corresponding path program 1 times [2022-11-20 12:53:13,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:53:13,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022608627] [2022-11-20 12:53:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:53:13,766 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 12:53:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:53:13,767 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/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 12:53:13,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9956aa80-28df-45a3-9daa-7f65999fd822/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 12:53:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:53:19,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:53:19,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:53:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 12:53:19,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:53:19,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:53:19,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022608627] [2022-11-20 12:53:19,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022608627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:53:19,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:53:19,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:53:19,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664534538] [2022-11-20 12:53:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:53:19,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:53:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:53:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:53:19,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:53:19,762 INFO L87 Difference]: Start difference. First operand 69460 states and 98491 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 12:53:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:53:24,667 INFO L93 Difference]: Finished difference Result 139040 states and 197192 transitions. [2022-11-20 12:53:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:53:24,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 151 [2022-11-20 12:53:24,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:53:25,075 INFO L225 Difference]: With dead ends: 139040 [2022-11-20 12:53:25,075 INFO L226 Difference]: Without dead ends: 69586 [2022-11-20 12:53:25,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 12:53:25,222 INFO L413 NwaCegarLoop]: 4775 mSDtfsCounter, 5 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9546 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:53:25,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9546 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:53:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69586 states.