./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:29:11,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:11,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:11,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:11,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:11,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:11,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:11,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:11,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:11,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:11,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:11,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:11,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:11,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:11,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:11,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:11,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:11,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:11,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:11,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:11,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:11,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:11,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:11,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:11,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:11,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:11,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:11,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:11,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:11,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:11,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:11,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:11,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:11,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:11,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:11,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:11,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:11,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:11,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:11,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:11,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:11,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:29:11,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:11,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:11,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:11,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:11,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:11,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:11,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:11,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:11,243 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:11,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:11,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:29:11,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:11,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:11,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:11,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:11,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:11,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:11,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:11,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:11,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:11,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:11,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:11,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:11,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:11,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:11,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:29:11,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:29:11,248 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:11,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:11,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:11,250 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 [2022-11-20 09:29:11,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:11,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:11,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:11,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:11,607 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:11,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2022-11-20 09:29:14,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:15,262 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:15,267 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2022-11-20 09:29:15,351 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/a4e87ed4f/a3925c00d1a94ff2992be300a504da17/FLAG705cc398b [2022-11-20 09:29:15,370 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/a4e87ed4f/a3925c00d1a94ff2992be300a504da17 [2022-11-20 09:29:15,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:15,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:15,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:15,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:15,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:15,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:15" (1/1) ... [2022-11-20 09:29:15,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273a63c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:15, skipping insertion in model container [2022-11-20 09:29:15,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:15" (1/1) ... [2022-11-20 09:29:15,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:15,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:16,484 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 09:29:16,493 INFO L158 Benchmark]: Toolchain (without parser) took 1115.00ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 92.4MB in the beginning and 103.4MB in the end (delta: -10.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 09:29:16,494 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:29:16,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.03ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 92.4MB in the beginning and 103.4MB in the end (delta: -10.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 09:29:16,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.03ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 92.4MB in the beginning and 103.4MB in the end (delta: -10.9MB). Peak memory consumption was 62.9MB. 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:29:18,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:18,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:18,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:18,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:18,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:18,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:18,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:18,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:18,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:18,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:18,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:18,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:18,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:18,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:18,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:18,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:18,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:18,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:18,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:18,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:18,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:18,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:18,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:18,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:18,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:18,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:18,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:18,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:18,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:18,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:18,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:18,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:18,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:18,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:18,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:18,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:18,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:18,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:18,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:18,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:18,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:29:18,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:18,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:18,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:18,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:18,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:18,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:18,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:18,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:18,956 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:18,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:18,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:18,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:18,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:18,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:18,958 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:29:18,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:29:18,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:29:18,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:18,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:18,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:18,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:18,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:18,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:18,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:18,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:18,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:18,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:18,962 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:29:18,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:29:18,963 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:18,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:18,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:18,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:29:18,964 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 [2022-11-20 09:29:19,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:19,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:19,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:19,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:19,411 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:19,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2022-11-20 09:29:22,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:23,105 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:23,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2022-11-20 09:29:23,160 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/49df31a76/368c670d63b64f0cba045359b50aafc9/FLAG72d934971 [2022-11-20 09:29:23,183 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/data/49df31a76/368c670d63b64f0cba045359b50aafc9 [2022-11-20 09:29:23,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:23,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:23,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:23,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:23,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:23,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:23" (1/1) ... [2022-11-20 09:29:23,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64825f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:23, skipping insertion in model container [2022-11-20 09:29:23,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:23" (1/1) ... [2022-11-20 09:29:23,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:23,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:27,416 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2022-11-20 09:29:27,419 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2022-11-20 09:29:27,420 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2022-11-20 09:29:27,420 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2022-11-20 09:29:27,420 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2022-11-20 09:29:27,421 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2022-11-20 09:29:27,421 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2022-11-20 09:29:27,422 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2022-11-20 09:29:27,422 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2022-11-20 09:29:27,423 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2022-11-20 09:29:27,423 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2022-11-20 09:29:27,424 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2022-11-20 09:29:27,424 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2022-11-20 09:29:27,424 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2022-11-20 09:29:27,425 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2022-11-20 09:29:27,425 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2022-11-20 09:29:27,426 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2022-11-20 09:29:27,426 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2022-11-20 09:29:27,427 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2022-11-20 09:29:27,427 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2022-11-20 09:29:27,428 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2022-11-20 09:29:27,428 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2022-11-20 09:29:27,429 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2022-11-20 09:29:27,429 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2022-11-20 09:29:27,430 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2022-11-20 09:29:27,430 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2022-11-20 09:29:27,431 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2022-11-20 09:29:27,431 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2022-11-20 09:29:27,431 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2022-11-20 09:29:27,432 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2022-11-20 09:29:27,432 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2022-11-20 09:29:27,433 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2022-11-20 09:29:27,433 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2022-11-20 09:29:27,434 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2022-11-20 09:29:27,434 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2022-11-20 09:29:27,434 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2022-11-20 09:29:27,435 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2022-11-20 09:29:27,435 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2022-11-20 09:29:27,436 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2022-11-20 09:29:27,436 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2022-11-20 09:29:27,437 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2022-11-20 09:29:27,437 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2022-11-20 09:29:27,438 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2022-11-20 09:29:27,438 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2022-11-20 09:29:27,439 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2022-11-20 09:29:27,439 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2022-11-20 09:29:27,439 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2022-11-20 09:29:27,440 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2022-11-20 09:29:27,440 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2022-11-20 09:29:27,441 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2022-11-20 09:29:27,441 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2022-11-20 09:29:27,442 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2022-11-20 09:29:27,442 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2022-11-20 09:29:27,442 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2022-11-20 09:29:27,443 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2022-11-20 09:29:27,443 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2022-11-20 09:29:27,444 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2022-11-20 09:29:27,444 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2022-11-20 09:29:27,444 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2022-11-20 09:29:27,445 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2022-11-20 09:29:27,445 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2022-11-20 09:29:27,446 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2022-11-20 09:29:27,446 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2022-11-20 09:29:27,447 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2022-11-20 09:29:27,447 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2022-11-20 09:29:27,448 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2022-11-20 09:29:27,448 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2022-11-20 09:29:27,448 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2022-11-20 09:29:27,449 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2022-11-20 09:29:27,449 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2022-11-20 09:29:27,450 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2022-11-20 09:29:27,450 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2022-11-20 09:29:27,451 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2022-11-20 09:29:27,451 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2022-11-20 09:29:27,452 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2022-11-20 09:29:27,452 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2022-11-20 09:29:27,452 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2022-11-20 09:29:27,453 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2022-11-20 09:29:27,453 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2022-11-20 09:29:27,454 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2022-11-20 09:29:27,454 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2022-11-20 09:29:27,455 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2022-11-20 09:29:27,455 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2022-11-20 09:29:27,456 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2022-11-20 09:29:27,456 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2022-11-20 09:29:27,457 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2022-11-20 09:29:27,457 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2022-11-20 09:29:27,457 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2022-11-20 09:29:27,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:27,572 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:29:27,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:28,079 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2022-11-20 09:29:28,080 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2022-11-20 09:29:28,081 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2022-11-20 09:29:28,081 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2022-11-20 09:29:28,082 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2022-11-20 09:29:28,083 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2022-11-20 09:29:28,083 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2022-11-20 09:29:28,084 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2022-11-20 09:29:28,084 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2022-11-20 09:29:28,084 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2022-11-20 09:29:28,086 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2022-11-20 09:29:28,086 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2022-11-20 09:29:28,088 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2022-11-20 09:29:28,088 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2022-11-20 09:29:28,089 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2022-11-20 09:29:28,089 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2022-11-20 09:29:28,090 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2022-11-20 09:29:28,090 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2022-11-20 09:29:28,091 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2022-11-20 09:29:28,091 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2022-11-20 09:29:28,091 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2022-11-20 09:29:28,092 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2022-11-20 09:29:28,093 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2022-11-20 09:29:28,093 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2022-11-20 09:29:28,094 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2022-11-20 09:29:28,094 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2022-11-20 09:29:28,095 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2022-11-20 09:29:28,095 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2022-11-20 09:29:28,096 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2022-11-20 09:29:28,096 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2022-11-20 09:29:28,098 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2022-11-20 09:29:28,099 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2022-11-20 09:29:28,099 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2022-11-20 09:29:28,100 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2022-11-20 09:29:28,100 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2022-11-20 09:29:28,100 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2022-11-20 09:29:28,101 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2022-11-20 09:29:28,102 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2022-11-20 09:29:28,102 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2022-11-20 09:29:28,102 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2022-11-20 09:29:28,103 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2022-11-20 09:29:28,104 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2022-11-20 09:29:28,104 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2022-11-20 09:29:28,108 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2022-11-20 09:29:28,109 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2022-11-20 09:29:28,110 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2022-11-20 09:29:28,110 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2022-11-20 09:29:28,111 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2022-11-20 09:29:28,111 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2022-11-20 09:29:28,111 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2022-11-20 09:29:28,112 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2022-11-20 09:29:28,112 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2022-11-20 09:29:28,112 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2022-11-20 09:29:28,113 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2022-11-20 09:29:28,113 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2022-11-20 09:29:28,114 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2022-11-20 09:29:28,114 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2022-11-20 09:29:28,114 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2022-11-20 09:29:28,115 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2022-11-20 09:29:28,117 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2022-11-20 09:29:28,120 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2022-11-20 09:29:28,121 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2022-11-20 09:29:28,121 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2022-11-20 09:29:28,123 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2022-11-20 09:29:28,124 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2022-11-20 09:29:28,124 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2022-11-20 09:29:28,126 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2022-11-20 09:29:28,126 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2022-11-20 09:29:28,126 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2022-11-20 09:29:28,131 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2022-11-20 09:29:28,132 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2022-11-20 09:29:28,132 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2022-11-20 09:29:28,133 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2022-11-20 09:29:28,134 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2022-11-20 09:29:28,134 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2022-11-20 09:29:28,135 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2022-11-20 09:29:28,135 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2022-11-20 09:29:28,135 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2022-11-20 09:29:28,137 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2022-11-20 09:29:28,138 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2022-11-20 09:29:28,138 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2022-11-20 09:29:28,138 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2022-11-20 09:29:28,139 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2022-11-20 09:29:28,139 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2022-11-20 09:29:28,139 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2022-11-20 09:29:28,140 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2022-11-20 09:29:28,140 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2022-11-20 09:29:28,141 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2022-11-20 09:29:28,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:28,179 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:29:28,608 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2022-11-20 09:29:28,610 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2022-11-20 09:29:28,610 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2022-11-20 09:29:28,610 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2022-11-20 09:29:28,611 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2022-11-20 09:29:28,611 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2022-11-20 09:29:28,611 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2022-11-20 09:29:28,612 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2022-11-20 09:29:28,612 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2022-11-20 09:29:28,613 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2022-11-20 09:29:28,613 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2022-11-20 09:29:28,613 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2022-11-20 09:29:28,614 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2022-11-20 09:29:28,614 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2022-11-20 09:29:28,615 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2022-11-20 09:29:28,615 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2022-11-20 09:29:28,615 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2022-11-20 09:29:28,616 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2022-11-20 09:29:28,618 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2022-11-20 09:29:28,618 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2022-11-20 09:29:28,619 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2022-11-20 09:29:28,619 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2022-11-20 09:29:28,620 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2022-11-20 09:29:28,621 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2022-11-20 09:29:28,621 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2022-11-20 09:29:28,622 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2022-11-20 09:29:28,622 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2022-11-20 09:29:28,622 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2022-11-20 09:29:28,623 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2022-11-20 09:29:28,643 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2022-11-20 09:29:28,644 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2022-11-20 09:29:28,644 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2022-11-20 09:29:28,644 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2022-11-20 09:29:28,645 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2022-11-20 09:29:28,645 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2022-11-20 09:29:28,646 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2022-11-20 09:29:28,647 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2022-11-20 09:29:28,663 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2022-11-20 09:29:28,664 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2022-11-20 09:29:28,665 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2022-11-20 09:29:28,666 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2022-11-20 09:29:28,667 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2022-11-20 09:29:28,667 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2022-11-20 09:29:28,669 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2022-11-20 09:29:28,669 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2022-11-20 09:29:28,670 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2022-11-20 09:29:28,670 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2022-11-20 09:29:28,671 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2022-11-20 09:29:28,671 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2022-11-20 09:29:28,672 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2022-11-20 09:29:28,673 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2022-11-20 09:29:28,691 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2022-11-20 09:29:28,692 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2022-11-20 09:29:28,692 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2022-11-20 09:29:28,692 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2022-11-20 09:29:28,693 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2022-11-20 09:29:28,693 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2022-11-20 09:29:28,693 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2022-11-20 09:29:28,694 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2022-11-20 09:29:28,694 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2022-11-20 09:29:28,694 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2022-11-20 09:29:28,695 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2022-11-20 09:29:28,695 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2022-11-20 09:29:28,695 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2022-11-20 09:29:28,696 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2022-11-20 09:29:28,696 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2022-11-20 09:29:28,696 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2022-11-20 09:29:28,697 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2022-11-20 09:29:28,697 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2022-11-20 09:29:28,697 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2022-11-20 09:29:28,698 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2022-11-20 09:29:28,698 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2022-11-20 09:29:28,698 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2022-11-20 09:29:28,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2022-11-20 09:29:28,702 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2022-11-20 09:29:28,702 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2022-11-20 09:29:28,702 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2022-11-20 09:29:28,703 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2022-11-20 09:29:28,703 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2022-11-20 09:29:28,708 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2022-11-20 09:29:28,708 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2022-11-20 09:29:28,709 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2022-11-20 09:29:28,709 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2022-11-20 09:29:28,709 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2022-11-20 09:29:28,710 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2022-11-20 09:29:28,710 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2022-11-20 09:29:28,710 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2022-11-20 09:29:28,711 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_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2022-11-20 09:29:28,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:29,054 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:29:29,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29 WrapperNode [2022-11-20 09:29:29,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:29,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:29,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:29:29,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:29:29,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,324 INFO L138 Inliner]: procedures = 670, calls = 1967, calls flagged for inlining = 296, calls inlined = 213, statements flattened = 4014 [2022-11-20 09:29:29,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:29,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:29:29,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:29:29,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:29:29,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:29:29,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:29:29,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:29:29,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:29:29,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (1/1) ... [2022-11-20 09:29:29,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:29,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:29,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:29:29,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:29:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:29:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:29:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-20 09:29:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-20 09:29:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 09:29:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 09:29:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 09:29:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 09:29:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:29:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:29:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-11-20 09:29:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-11-20 09:29:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:29:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:29:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 09:29:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 09:29:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-11-20 09:29:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-11-20 09:29:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:29:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:29:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 09:29:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 09:29:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-20 09:29:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-20 09:29:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-11-20 09:29:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-11-20 09:29:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-20 09:29:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-20 09:29:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:29:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:29:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:29:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:29:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 09:29:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 09:29:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 09:29:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 09:29:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-11-20 09:29:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-11-20 09:29:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 09:29:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 09:29:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-20 09:29:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-20 09:29:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:29:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:29:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 09:29:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 09:29:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 09:29:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 09:29:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 09:29:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 09:29:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:29:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:29:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:29:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:29:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 09:29:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 09:29:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-11-20 09:29:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:29:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:29:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2022-11-20 09:29:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2022-11-20 09:29:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 09:29:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 09:29:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 09:29:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 09:29:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-11-20 09:29:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-11-20 09:29:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 09:29:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 09:29:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:29:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:29:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:29:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:29:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:29:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:29:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 09:29:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 09:29:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 09:29:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 09:29:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:29:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:29:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 09:29:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 09:29:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 09:29:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 09:29:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 09:29:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 09:29:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 09:29:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 09:29:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 09:29:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 09:29:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:29:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:29:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 09:29:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 09:29:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:29:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:29:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-11-20 09:29:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-11-20 09:29:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-11-20 09:29:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-11-20 09:29:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:29:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2022-11-20 09:29:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2022-11-20 09:29:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:29:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:29:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:29:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 09:29:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 09:29:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:29:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 09:29:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 09:29:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-20 09:29:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-20 09:29:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:29:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:29:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 09:29:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-11-20 09:29:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-11-20 09:29:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-20 09:29:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-20 09:29:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 09:29:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 09:29:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 09:29:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 09:29:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:29:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:29:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 09:29:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 09:29:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-11-20 09:29:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-11-20 09:29:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 09:29:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 09:29:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-11-20 09:29:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-11-20 09:29:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-20 09:29:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:29:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-11-20 09:29:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 09:29:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:29:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-11-20 09:29:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:29:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 09:29:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 09:29:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 09:29:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 09:29:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 09:29:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 09:29:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:29:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:29:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-11-20 09:29:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-11-20 09:29:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:29:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:29:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-20 09:29:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:29:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 09:29:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-11-20 09:29:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:29:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-11-20 09:29:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:29:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 09:29:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:29:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:29:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 09:29:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 09:29:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 09:29:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 09:29:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-11-20 09:29:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-11-20 09:29:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-11-20 09:29:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-11-20 09:29:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:29:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:29:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 09:29:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:29:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:29:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 09:29:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:29:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 09:29:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:29:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:29:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:29:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:29:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-20 09:29:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:29:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2022-11-20 09:29:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:29:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-11-20 09:29:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-11-20 09:29:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-11-20 09:29:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-11-20 09:29:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:29:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:29:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-11-20 09:29:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-11-20 09:29:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2022-11-20 09:29:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2022-11-20 09:29:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2022-11-20 09:29:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2022-11-20 09:29:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:29:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 09:29:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 09:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 09:29:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 09:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 09:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-11-20 09:29:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-11-20 09:29:30,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:29:30,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:29:41,568 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:30:10,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:10,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:10,064 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:30:10,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:10 BoogieIcfgContainer [2022-11-20 09:30:10,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:10,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:10,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:10,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:10,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:23" (1/3) ... [2022-11-20 09:30:10,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dddcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:10, skipping insertion in model container [2022-11-20 09:30:10,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:29" (2/3) ... [2022-11-20 09:30:10,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dddcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:10, skipping insertion in model container [2022-11-20 09:30:10,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:10" (3/3) ... [2022-11-20 09:30:10,083 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2022-11-20 09:30:10,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:10,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-20 09:30:10,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:10,218 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;@7447c54f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:10,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-20 09:30:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 1726 states, 1128 states have (on average 1.24822695035461) internal successors, (1408), 1197 states have internal predecessors, (1408), 457 states have call successors, (457), 114 states have call predecessors, (457), 113 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2022-11-20 09:30:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 09:30:10,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:10,246 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:10,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:10,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:10,254 INFO L85 PathProgramCache]: Analyzing trace with hash -563816690, now seen corresponding path program 1 times [2022-11-20 09:30:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:10,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105014193] [2022-11-20 09:30:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:10,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:10,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:30:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:11,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:11,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:12,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:12,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:12,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105014193] [2022-11-20 09:30:12,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105014193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:12,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:12,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:12,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156030224] [2022-11-20 09:30:12,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:12,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:12,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:12,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:12,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:12,688 INFO L87 Difference]: Start difference. First operand has 1726 states, 1128 states have (on average 1.24822695035461) internal successors, (1408), 1197 states have internal predecessors, (1408), 457 states have call successors, (457), 114 states have call predecessors, (457), 113 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 09:30:13,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:13,067 INFO L93 Difference]: Finished difference Result 3413 states and 4700 transitions. [2022-11-20 09:30:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:13,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2022-11-20 09:30:13,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:13,104 INFO L225 Difference]: With dead ends: 3413 [2022-11-20 09:30:13,104 INFO L226 Difference]: Without dead ends: 1702 [2022-11-20 09:30:13,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 09:30:13,126 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 2219 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 4530 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:13,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 4530 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-11-20 09:30:13,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1702. [2022-11-20 09:30:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1111 states have (on average 1.216921692169217) internal successors, (1352), 1176 states have internal predecessors, (1352), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2252 transitions. [2022-11-20 09:30:13,425 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2252 transitions. Word has length 64 [2022-11-20 09:30:13,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:13,427 INFO L495 AbstractCegarLoop]: Abstraction has 1702 states and 2252 transitions. [2022-11-20 09:30:13,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 09:30:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2252 transitions. [2022-11-20 09:30:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 09:30:13,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:13,438 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:13,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:13,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:13,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:13,659 INFO L85 PathProgramCache]: Analyzing trace with hash -119648752, now seen corresponding path program 1 times [2022-11-20 09:30:13,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:13,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331977774] [2022-11-20 09:30:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:13,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:13,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:13,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 09:30:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:14,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:14,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:15,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:15,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:15,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331977774] [2022-11-20 09:30:15,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331977774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:15,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:15,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:15,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724271163] [2022-11-20 09:30:15,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:15,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:15,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:15,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:15,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:15,911 INFO L87 Difference]: Start difference. First operand 1702 states and 2252 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 09:30:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:16,158 INFO L93 Difference]: Finished difference Result 1702 states and 2252 transitions. [2022-11-20 09:30:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:16,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-20 09:30:16,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:16,171 INFO L225 Difference]: With dead ends: 1702 [2022-11-20 09:30:16,171 INFO L226 Difference]: Without dead ends: 1700 [2022-11-20 09:30:16,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 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 09:30:16,175 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 2195 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:16,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 4494 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:16,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-11-20 09:30:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2022-11-20 09:30:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1110 states have (on average 1.2162162162162162) internal successors, (1350), 1174 states have internal predecessors, (1350), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2250 transitions. [2022-11-20 09:30:16,316 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2250 transitions. Word has length 70 [2022-11-20 09:30:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:16,319 INFO L495 AbstractCegarLoop]: Abstraction has 1700 states and 2250 transitions. [2022-11-20 09:30:16,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 09:30:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2250 transitions. [2022-11-20 09:30:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 09:30:16,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:16,323 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:16,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:16,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:16,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:16,540 INFO L85 PathProgramCache]: Analyzing trace with hash 442677403, now seen corresponding path program 1 times [2022-11-20 09:30:16,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:16,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703431332] [2022-11-20 09:30:16,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:16,542 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:16,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:16,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:16,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 09:30:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:17,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:17,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:18,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:18,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:18,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703431332] [2022-11-20 09:30:18,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703431332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:18,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:18,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:18,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805321749] [2022-11-20 09:30:18,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:18,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:18,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:18,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:18,673 INFO L87 Difference]: Start difference. First operand 1700 states and 2250 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 09:30:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:18,943 INFO L93 Difference]: Finished difference Result 1700 states and 2250 transitions. [2022-11-20 09:30:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:18,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 76 [2022-11-20 09:30:18,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:18,956 INFO L225 Difference]: With dead ends: 1700 [2022-11-20 09:30:18,956 INFO L226 Difference]: Without dead ends: 1698 [2022-11-20 09:30:18,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 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 09:30:18,959 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2187 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:18,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 4490 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2022-11-20 09:30:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1698. [2022-11-20 09:30:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1109 states have (on average 1.2155094679891794) internal successors, (1348), 1172 states have internal predecessors, (1348), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2248 transitions. [2022-11-20 09:30:19,157 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2248 transitions. Word has length 76 [2022-11-20 09:30:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:19,157 INFO L495 AbstractCegarLoop]: Abstraction has 1698 states and 2248 transitions. [2022-11-20 09:30:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 09:30:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2248 transitions. [2022-11-20 09:30:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 09:30:19,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:19,160 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:19,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:19,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:19,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:19,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:19,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1915162971, now seen corresponding path program 1 times [2022-11-20 09:30:19,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:19,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492102858] [2022-11-20 09:30:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:19,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:19,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 09:30:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:20,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:20,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:21,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:21,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:21,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492102858] [2022-11-20 09:30:21,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492102858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:21,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:21,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:21,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81547971] [2022-11-20 09:30:21,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:21,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:21,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:21,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:21,498 INFO L87 Difference]: Start difference. First operand 1698 states and 2248 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 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 09:30:21,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:21,739 INFO L93 Difference]: Finished difference Result 1698 states and 2248 transitions. [2022-11-20 09:30:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:21,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 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 82 [2022-11-20 09:30:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:21,753 INFO L225 Difference]: With dead ends: 1698 [2022-11-20 09:30:21,753 INFO L226 Difference]: Without dead ends: 1696 [2022-11-20 09:30:21,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 09:30:21,757 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 2179 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:21,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 4486 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:21,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2022-11-20 09:30:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1696. [2022-11-20 09:30:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1108 states have (on average 1.2148014440433212) internal successors, (1346), 1170 states have internal predecessors, (1346), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2246 transitions. [2022-11-20 09:30:21,905 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2246 transitions. Word has length 82 [2022-11-20 09:30:21,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:21,905 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2246 transitions. [2022-11-20 09:30:21,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (13), 1 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 09:30:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2246 transitions. [2022-11-20 09:30:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 09:30:21,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:21,907 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:21,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:22,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:22,131 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:22,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:22,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2019156798, now seen corresponding path program 1 times [2022-11-20 09:30:22,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:22,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697520009] [2022-11-20 09:30:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:22,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:22,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:22,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:22,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 09:30:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:23,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:23,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:24,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:24,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697520009] [2022-11-20 09:30:24,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697520009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:24,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:24,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:24,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038685875] [2022-11-20 09:30:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:24,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:24,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:24,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:24,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:24,057 INFO L87 Difference]: Start difference. First operand 1696 states and 2246 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 09:30:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:24,318 INFO L93 Difference]: Finished difference Result 1696 states and 2246 transitions. [2022-11-20 09:30:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:24,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 88 [2022-11-20 09:30:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:24,331 INFO L225 Difference]: With dead ends: 1696 [2022-11-20 09:30:24,332 INFO L226 Difference]: Without dead ends: 1694 [2022-11-20 09:30:24,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 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 09:30:24,334 INFO L413 NwaCegarLoop]: 2242 mSDtfsCounter, 2171 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:24,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 4482 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-11-20 09:30:24,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2022-11-20 09:30:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1107 states have (on average 1.2140921409214092) internal successors, (1344), 1168 states have internal predecessors, (1344), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2244 transitions. [2022-11-20 09:30:24,512 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2244 transitions. Word has length 88 [2022-11-20 09:30:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 1694 states and 2244 transitions. [2022-11-20 09:30:24,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 09:30:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2244 transitions. [2022-11-20 09:30:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-20 09:30:24,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:24,521 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:24,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 09:30:24,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:24,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:24,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1391724031, now seen corresponding path program 1 times [2022-11-20 09:30:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:24,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200643069] [2022-11-20 09:30:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:24,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:24,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:24,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:24,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 09:30:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 09:30:25,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 09:30:27,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:27,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:27,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200643069] [2022-11-20 09:30:27,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200643069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:27,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:27,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:30:27,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944750446] [2022-11-20 09:30:27,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:27,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:30:27,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:27,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:30:27,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:30:27,745 INFO L87 Difference]: Start difference. First operand 1694 states and 2244 transitions. Second operand has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-20 09:30:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:31,873 INFO L93 Difference]: Finished difference Result 3458 states and 4604 transitions. [2022-11-20 09:30:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:30:31,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) Word has length 111 [2022-11-20 09:30:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:31,885 INFO L225 Difference]: With dead ends: 3458 [2022-11-20 09:30:31,885 INFO L226 Difference]: Without dead ends: 1781 [2022-11-20 09:30:31,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-20 09:30:31,893 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 331 mSDsluCounter, 22944 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 25295 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:31,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 25295 Invalid, 435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:30:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-11-20 09:30:32,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1694. [2022-11-20 09:30:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1107 states have (on average 1.2131887985546521) internal successors, (1343), 1167 states have internal predecessors, (1343), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2243 transitions. [2022-11-20 09:30:32,095 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2243 transitions. Word has length 111 [2022-11-20 09:30:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:32,096 INFO L495 AbstractCegarLoop]: Abstraction has 1694 states and 2243 transitions. [2022-11-20 09:30:32,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-20 09:30:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2243 transitions. [2022-11-20 09:30:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 09:30:32,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:32,098 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:32,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:32,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:32,311 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:32,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:32,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1008978099, now seen corresponding path program 1 times [2022-11-20 09:30:32,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:32,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089977501] [2022-11-20 09:30:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:32,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:32,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 09:30:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:33,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:34,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:34,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:34,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089977501] [2022-11-20 09:30:34,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089977501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:34,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:34,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:34,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633364900] [2022-11-20 09:30:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:34,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:34,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:34,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:34,492 INFO L87 Difference]: Start difference. First operand 1694 states and 2243 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 09:30:34,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:34,782 INFO L93 Difference]: Finished difference Result 1694 states and 2243 transitions. [2022-11-20 09:30:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:34,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2022-11-20 09:30:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:34,792 INFO L225 Difference]: With dead ends: 1694 [2022-11-20 09:30:34,793 INFO L226 Difference]: Without dead ends: 1692 [2022-11-20 09:30:34,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 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 09:30:34,795 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 2162 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:34,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 4476 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-11-20 09:30:34,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1692. [2022-11-20 09:30:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1106 states have (on average 1.2124773960217) internal successors, (1341), 1165 states have internal predecessors, (1341), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-20 09:30:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2241 transitions. [2022-11-20 09:30:34,985 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2241 transitions. Word has length 94 [2022-11-20 09:30:34,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:34,986 INFO L495 AbstractCegarLoop]: Abstraction has 1692 states and 2241 transitions. [2022-11-20 09:30:34,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 09:30:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2241 transitions. [2022-11-20 09:30:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 09:30:34,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:34,988 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:35,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:35,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:35,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1691562532, now seen corresponding path program 1 times [2022-11-20 09:30:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:35,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016575699] [2022-11-20 09:30:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:35,209 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 09:30:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:36,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:30:36,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 09:30:36,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:36,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:36,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016575699] [2022-11-20 09:30:36,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016575699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:36,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:36,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:36,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647824210] [2022-11-20 09:30:36,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:36,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:36,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:36,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:36,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:36,602 INFO L87 Difference]: Start difference. First operand 1692 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 09:30:37,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:37,192 INFO L93 Difference]: Finished difference Result 4478 states and 5946 transitions. [2022-11-20 09:30:37,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:37,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2022-11-20 09:30:37,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:37,211 INFO L225 Difference]: With dead ends: 4478 [2022-11-20 09:30:37,211 INFO L226 Difference]: Without dead ends: 2807 [2022-11-20 09:30:37,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:37,220 INFO L413 NwaCegarLoop]: 3217 mSDtfsCounter, 2220 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:37,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 4711 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:30:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2022-11-20 09:30:37,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2793. [2022-11-20 09:30:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 1839 states have (on average 1.2185970636215335) internal successors, (2241), 1924 states have internal predecessors, (2241), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3725 transitions. [2022-11-20 09:30:37,594 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3725 transitions. Word has length 115 [2022-11-20 09:30:37,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:37,595 INFO L495 AbstractCegarLoop]: Abstraction has 2793 states and 3725 transitions. [2022-11-20 09:30:37,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 09:30:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3725 transitions. [2022-11-20 09:30:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 09:30:37,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:37,598 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:37,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:37,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:37,825 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:37,825 INFO L85 PathProgramCache]: Analyzing trace with hash -781538294, now seen corresponding path program 1 times [2022-11-20 09:30:37,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:37,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496084835] [2022-11-20 09:30:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:37,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:37,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:37,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:37,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 09:30:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:38,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:38,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:39,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:39,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:39,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496084835] [2022-11-20 09:30:39,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496084835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:39,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:39,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193458463] [2022-11-20 09:30:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:39,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:39,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:39,948 INFO L87 Difference]: Start difference. First operand 2793 states and 3725 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:30:40,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:40,378 INFO L93 Difference]: Finished difference Result 2793 states and 3725 transitions. [2022-11-20 09:30:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2022-11-20 09:30:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:40,397 INFO L225 Difference]: With dead ends: 2793 [2022-11-20 09:30:40,398 INFO L226 Difference]: Without dead ends: 2791 [2022-11-20 09:30:40,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 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 09:30:40,401 INFO L413 NwaCegarLoop]: 2237 mSDtfsCounter, 2154 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 4472 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:40,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 4472 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2022-11-20 09:30:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2791. [2022-11-20 09:30:40,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 1838 states have (on average 1.218171926006529) internal successors, (2239), 1922 states have internal predecessors, (2239), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3723 transitions. [2022-11-20 09:30:40,816 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3723 transitions. Word has length 100 [2022-11-20 09:30:40,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:40,817 INFO L495 AbstractCegarLoop]: Abstraction has 2791 states and 3723 transitions. [2022-11-20 09:30:40,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:30:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3723 transitions. [2022-11-20 09:30:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-20 09:30:40,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:40,821 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:40,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:41,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:41,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:41,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:41,043 INFO L85 PathProgramCache]: Analyzing trace with hash 111297715, now seen corresponding path program 1 times [2022-11-20 09:30:41,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:41,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635995915] [2022-11-20 09:30:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:41,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:41,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:41,046 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:41,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 09:30:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:30:42,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 09:30:42,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:42,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:42,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635995915] [2022-11-20 09:30:42,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635995915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:42,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:42,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:42,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038477159] [2022-11-20 09:30:42,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:42,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:42,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:42,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:42,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:42,477 INFO L87 Difference]: Start difference. First operand 2791 states and 3723 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 09:30:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:43,025 INFO L93 Difference]: Finished difference Result 5557 states and 7412 transitions. [2022-11-20 09:30:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:43,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 121 [2022-11-20 09:30:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:43,041 INFO L225 Difference]: With dead ends: 5557 [2022-11-20 09:30:43,042 INFO L226 Difference]: Without dead ends: 2787 [2022-11-20 09:30:43,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:43,056 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:43,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 2233 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:30:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2022-11-20 09:30:43,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2787. [2022-11-20 09:30:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 1835 states have (on average 1.2174386920980926) internal successors, (2234), 1918 states have internal predecessors, (2234), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3718 transitions. [2022-11-20 09:30:43,474 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3718 transitions. Word has length 121 [2022-11-20 09:30:43,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:43,475 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3718 transitions. [2022-11-20 09:30:43,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 09:30:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3718 transitions. [2022-11-20 09:30:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 09:30:43,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:43,477 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:43,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:43,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:43,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1699523689, now seen corresponding path program 1 times [2022-11-20 09:30:43,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:43,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22219494] [2022-11-20 09:30:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:43,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:43,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:43,699 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:43,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 09:30:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:44,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:46,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:46,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22219494] [2022-11-20 09:30:46,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22219494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:46,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:46,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:46,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824680908] [2022-11-20 09:30:46,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:46,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:46,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:46,052 INFO L87 Difference]: Start difference. First operand 2787 states and 3718 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 09:30:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:46,496 INFO L93 Difference]: Finished difference Result 2787 states and 3718 transitions. [2022-11-20 09:30:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:46,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106 [2022-11-20 09:30:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:46,514 INFO L225 Difference]: With dead ends: 2787 [2022-11-20 09:30:46,514 INFO L226 Difference]: Without dead ends: 2785 [2022-11-20 09:30:46,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 09:30:46,516 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2145 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:46,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 4454 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2022-11-20 09:30:46,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2785. [2022-11-20 09:30:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 1834 states have (on average 1.21701199563795) internal successors, (2232), 1916 states have internal predecessors, (2232), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3716 transitions. [2022-11-20 09:30:46,985 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3716 transitions. Word has length 106 [2022-11-20 09:30:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:46,988 INFO L495 AbstractCegarLoop]: Abstraction has 2785 states and 3716 transitions. [2022-11-20 09:30:46,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 09:30:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3716 transitions. [2022-11-20 09:30:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 09:30:46,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:46,990 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:47,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:47,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:47,211 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:47,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1154531110, now seen corresponding path program 1 times [2022-11-20 09:30:47,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:47,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093917613] [2022-11-20 09:30:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:47,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:47,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:47,214 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:47,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 09:30:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:48,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:48,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:49,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:49,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:49,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093917613] [2022-11-20 09:30:49,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093917613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:49,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:49,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:49,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922319904] [2022-11-20 09:30:49,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:49,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:49,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:49,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:49,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:49,395 INFO L87 Difference]: Start difference. First operand 2785 states and 3716 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 09:30:49,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:49,846 INFO L93 Difference]: Finished difference Result 2785 states and 3716 transitions. [2022-11-20 09:30:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:49,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108 [2022-11-20 09:30:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:49,861 INFO L225 Difference]: With dead ends: 2785 [2022-11-20 09:30:49,862 INFO L226 Difference]: Without dead ends: 2783 [2022-11-20 09:30:49,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 09:30:49,864 INFO L413 NwaCegarLoop]: 2228 mSDtfsCounter, 2137 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:49,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2139 Valid, 4454 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2022-11-20 09:30:50,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2783. [2022-11-20 09:30:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 1833 states have (on average 1.2165848336061102) internal successors, (2230), 1914 states have internal predecessors, (2230), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3714 transitions. [2022-11-20 09:30:50,415 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3714 transitions. Word has length 108 [2022-11-20 09:30:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:50,416 INFO L495 AbstractCegarLoop]: Abstraction has 2783 states and 3714 transitions. [2022-11-20 09:30:50,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 09:30:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3714 transitions. [2022-11-20 09:30:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 09:30:50,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:50,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:50,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:50,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:50,643 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1610848167, now seen corresponding path program 1 times [2022-11-20 09:30:50,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:50,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200392260] [2022-11-20 09:30:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:50,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:50,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:50,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:50,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 09:30:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:53,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:53,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:53,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200392260] [2022-11-20 09:30:53,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200392260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:53,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:53,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:53,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120864282] [2022-11-20 09:30:53,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:53,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:53,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:53,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:53,048 INFO L87 Difference]: Start difference. First operand 2783 states and 3714 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 09:30:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:53,516 INFO L93 Difference]: Finished difference Result 2783 states and 3714 transitions. [2022-11-20 09:30:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:53,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114 [2022-11-20 09:30:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:53,542 INFO L225 Difference]: With dead ends: 2783 [2022-11-20 09:30:53,542 INFO L226 Difference]: Without dead ends: 2781 [2022-11-20 09:30:53,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 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 09:30:53,545 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 2129 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2131 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:53,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2131 Valid, 4450 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:53,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-11-20 09:30:54,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2781. [2022-11-20 09:30:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 1832 states have (on average 1.2161572052401746) internal successors, (2228), 1912 states have internal predecessors, (2228), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3712 transitions. [2022-11-20 09:30:54,071 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3712 transitions. Word has length 114 [2022-11-20 09:30:54,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:54,072 INFO L495 AbstractCegarLoop]: Abstraction has 2781 states and 3712 transitions. [2022-11-20 09:30:54,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 09:30:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3712 transitions. [2022-11-20 09:30:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 09:30:54,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:54,074 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:54,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 09:30:54,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:54,295 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:54,296 INFO L85 PathProgramCache]: Analyzing trace with hash -617601531, now seen corresponding path program 1 times [2022-11-20 09:30:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166018820] [2022-11-20 09:30:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:54,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:54,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:54,298 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:54,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 09:30:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:55,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:30:56,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:56,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:56,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166018820] [2022-11-20 09:30:56,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166018820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:56,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:56,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725075128] [2022-11-20 09:30:56,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:56,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:56,507 INFO L87 Difference]: Start difference. First operand 2781 states and 3712 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 09:30:56,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:56,961 INFO L93 Difference]: Finished difference Result 2781 states and 3712 transitions. [2022-11-20 09:30:56,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:30:56,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2022-11-20 09:30:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:56,971 INFO L225 Difference]: With dead ends: 2781 [2022-11-20 09:30:56,971 INFO L226 Difference]: Without dead ends: 2779 [2022-11-20 09:30:56,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 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 09:30:56,973 INFO L413 NwaCegarLoop]: 2224 mSDtfsCounter, 2121 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:56,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 4446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2022-11-20 09:30:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2779. [2022-11-20 09:30:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 1831 states have (on average 1.2157291097760787) internal successors, (2226), 1910 states have internal predecessors, (2226), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:30:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3710 transitions. [2022-11-20 09:30:57,389 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3710 transitions. Word has length 120 [2022-11-20 09:30:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:57,389 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 3710 transitions. [2022-11-20 09:30:57,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 09:30:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3710 transitions. [2022-11-20 09:30:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 09:30:57,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:57,392 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:57,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 09:30:57,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:57,607 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:30:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:57,607 INFO L85 PathProgramCache]: Analyzing trace with hash -761900314, now seen corresponding path program 1 times [2022-11-20 09:30:57,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:57,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125830801] [2022-11-20 09:30:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:57,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:30:57,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:57,610 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:30:57,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 09:30:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:58,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:58,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:00,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:00,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:00,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125830801] [2022-11-20 09:31:00,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125830801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:00,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:00,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:00,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824799156] [2022-11-20 09:31:00,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:00,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:00,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:00,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:00,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:00,310 INFO L87 Difference]: Start difference. First operand 2779 states and 3710 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 09:31:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:00,705 INFO L93 Difference]: Finished difference Result 2779 states and 3710 transitions. [2022-11-20 09:31:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 126 [2022-11-20 09:31:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:00,713 INFO L225 Difference]: With dead ends: 2779 [2022-11-20 09:31:00,713 INFO L226 Difference]: Without dead ends: 2777 [2022-11-20 09:31:00,715 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 09:31:00,715 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 2113 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:00,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2115 Valid, 4442 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2022-11-20 09:31:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 2777. [2022-11-20 09:31:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 1830 states have (on average 1.2153005464480875) internal successors, (2224), 1908 states have internal predecessors, (2224), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3708 transitions. [2022-11-20 09:31:01,133 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3708 transitions. Word has length 126 [2022-11-20 09:31:01,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:01,134 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 3708 transitions. [2022-11-20 09:31:01,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 09:31:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3708 transitions. [2022-11-20 09:31:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-20 09:31:01,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:01,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:01,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:01,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:01,363 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:01,363 INFO L85 PathProgramCache]: Analyzing trace with hash 444973991, now seen corresponding path program 1 times [2022-11-20 09:31:01,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:01,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442155883] [2022-11-20 09:31:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:01,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:01,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:01,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:01,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 09:31:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:02,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:02,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:03,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:03,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:03,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442155883] [2022-11-20 09:31:03,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442155883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:03,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:03,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:03,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646874972] [2022-11-20 09:31:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:03,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:03,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:03,990 INFO L87 Difference]: Start difference. First operand 2777 states and 3708 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 09:31:04,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:04,492 INFO L93 Difference]: Finished difference Result 2777 states and 3708 transitions. [2022-11-20 09:31:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:04,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2022-11-20 09:31:04,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:04,502 INFO L225 Difference]: With dead ends: 2777 [2022-11-20 09:31:04,502 INFO L226 Difference]: Without dead ends: 2775 [2022-11-20 09:31:04,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 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 09:31:04,505 INFO L413 NwaCegarLoop]: 2220 mSDtfsCounter, 2105 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:04,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 4438 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:04,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2022-11-20 09:31:04,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2775. [2022-11-20 09:31:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 1829 states have (on average 1.2148715144887916) internal successors, (2222), 1906 states have internal predecessors, (2222), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3706 transitions. [2022-11-20 09:31:04,928 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3706 transitions. Word has length 132 [2022-11-20 09:31:04,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:04,928 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3706 transitions. [2022-11-20 09:31:04,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 09:31:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3706 transitions. [2022-11-20 09:31:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 09:31:04,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:04,930 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:04,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:05,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:05,131 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:05,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash 367684943, now seen corresponding path program 1 times [2022-11-20 09:31:05,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:05,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426496082] [2022-11-20 09:31:05,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:05,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:05,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:05,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:05,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (18)] Waiting until timeout for monitored process [2022-11-20 09:31:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:06,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:06,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:07,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:07,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:07,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426496082] [2022-11-20 09:31:07,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426496082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:07,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:07,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:07,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134611524] [2022-11-20 09:31:07,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:07,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:07,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:07,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:07,840 INFO L87 Difference]: Start difference. First operand 2775 states and 3706 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 09:31:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:08,343 INFO L93 Difference]: Finished difference Result 2775 states and 3706 transitions. [2022-11-20 09:31:08,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:08,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2022-11-20 09:31:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:08,357 INFO L225 Difference]: With dead ends: 2775 [2022-11-20 09:31:08,357 INFO L226 Difference]: Without dead ends: 2773 [2022-11-20 09:31:08,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 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 09:31:08,359 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 2097 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:08,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 4434 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:08,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-11-20 09:31:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2773. [2022-11-20 09:31:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 1828 states have (on average 1.214442013129103) internal successors, (2220), 1904 states have internal predecessors, (2220), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3704 transitions. [2022-11-20 09:31:08,766 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3704 transitions. Word has length 138 [2022-11-20 09:31:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:08,766 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 3704 transitions. [2022-11-20 09:31:08,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 09:31:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3704 transitions. [2022-11-20 09:31:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 09:31:08,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:08,769 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:08,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (18)] Ended with exit code 0 [2022-11-20 09:31:08,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:08,991 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:08,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1920940762, now seen corresponding path program 1 times [2022-11-20 09:31:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:08,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519351847] [2022-11-20 09:31:08,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:08,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:08,993 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:08,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (19)] Waiting until timeout for monitored process [2022-11-20 09:31:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:09,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:10,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:11,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:11,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:11,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519351847] [2022-11-20 09:31:11,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519351847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:11,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:11,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:11,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640978993] [2022-11-20 09:31:11,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:11,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:11,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:11,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:11,597 INFO L87 Difference]: Start difference. First operand 2773 states and 3704 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 09:31:12,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:12,048 INFO L93 Difference]: Finished difference Result 2773 states and 3704 transitions. [2022-11-20 09:31:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:12,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2022-11-20 09:31:12,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:12,056 INFO L225 Difference]: With dead ends: 2773 [2022-11-20 09:31:12,057 INFO L226 Difference]: Without dead ends: 2771 [2022-11-20 09:31:12,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 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 09:31:12,059 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 2089 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:12,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 4430 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2022-11-20 09:31:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2771. [2022-11-20 09:31:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 1827 states have (on average 1.2140120415982485) internal successors, (2218), 1902 states have internal predecessors, (2218), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3702 transitions. [2022-11-20 09:31:12,682 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3702 transitions. Word has length 144 [2022-11-20 09:31:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:12,683 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3702 transitions. [2022-11-20 09:31:12,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 09:31:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3702 transitions. [2022-11-20 09:31:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 09:31:12,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:12,685 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:12,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:12,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:12,886 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:12,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:12,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1304796745, now seen corresponding path program 1 times [2022-11-20 09:31:12,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:12,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294652502] [2022-11-20 09:31:12,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:12,889 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:12,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (20)] Waiting until timeout for monitored process [2022-11-20 09:31:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:13,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:13,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:15,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:15,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:15,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294652502] [2022-11-20 09:31:15,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294652502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:15,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:15,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:15,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27362522] [2022-11-20 09:31:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:15,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:15,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:15,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:15,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:15,541 INFO L87 Difference]: Start difference. First operand 2771 states and 3702 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 09:31:16,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:16,164 INFO L93 Difference]: Finished difference Result 2771 states and 3702 transitions. [2022-11-20 09:31:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:16,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 150 [2022-11-20 09:31:16,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:16,176 INFO L225 Difference]: With dead ends: 2771 [2022-11-20 09:31:16,176 INFO L226 Difference]: Without dead ends: 2769 [2022-11-20 09:31:16,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 09:31:16,178 INFO L413 NwaCegarLoop]: 2214 mSDtfsCounter, 2081 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2083 SdHoareTripleChecker+Valid, 4426 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:16,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2083 Valid, 4426 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2022-11-20 09:31:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2769. [2022-11-20 09:31:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 1826 states have (on average 1.2135815991237677) internal successors, (2216), 1900 states have internal predecessors, (2216), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3700 transitions. [2022-11-20 09:31:16,881 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3700 transitions. Word has length 150 [2022-11-20 09:31:16,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:16,881 INFO L495 AbstractCegarLoop]: Abstraction has 2769 states and 3700 transitions. [2022-11-20 09:31:16,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 09:31:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3700 transitions. [2022-11-20 09:31:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-20 09:31:16,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:16,885 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:16,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (20)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:17,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:17,099 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:17,099 INFO L85 PathProgramCache]: Analyzing trace with hash -701781334, now seen corresponding path program 1 times [2022-11-20 09:31:17,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:17,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021481413] [2022-11-20 09:31:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:17,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:17,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:17,101 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:17,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (21)] Waiting until timeout for monitored process [2022-11-20 09:31:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:18,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:19,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:19,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:19,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021481413] [2022-11-20 09:31:19,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021481413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:19,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:19,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165474361] [2022-11-20 09:31:19,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:19,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:19,812 INFO L87 Difference]: Start difference. First operand 2769 states and 3700 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 09:31:20,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:20,295 INFO L93 Difference]: Finished difference Result 2769 states and 3700 transitions. [2022-11-20 09:31:20,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:20,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2022-11-20 09:31:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:20,306 INFO L225 Difference]: With dead ends: 2769 [2022-11-20 09:31:20,306 INFO L226 Difference]: Without dead ends: 2767 [2022-11-20 09:31:20,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 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 09:31:20,308 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 2073 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:20,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 4422 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-11-20 09:31:20,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2767. [2022-11-20 09:31:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 1825 states have (on average 1.2131506849315068) internal successors, (2214), 1898 states have internal predecessors, (2214), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3698 transitions. [2022-11-20 09:31:20,913 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3698 transitions. Word has length 156 [2022-11-20 09:31:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:20,913 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3698 transitions. [2022-11-20 09:31:20,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 09:31:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3698 transitions. [2022-11-20 09:31:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-20 09:31:20,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:20,915 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:20,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:21,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:21,116 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:21,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:21,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1828443193, now seen corresponding path program 1 times [2022-11-20 09:31:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:21,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879714417] [2022-11-20 09:31:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:21,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:21,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:21,119 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:21,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (22)] Waiting until timeout for monitored process [2022-11-20 09:31:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:22,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:22,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:23,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:23,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:23,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879714417] [2022-11-20 09:31:23,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879714417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:23,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:23,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196075157] [2022-11-20 09:31:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:23,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:23,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:23,887 INFO L87 Difference]: Start difference. First operand 2767 states and 3698 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 09:31:24,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:24,388 INFO L93 Difference]: Finished difference Result 2767 states and 3698 transitions. [2022-11-20 09:31:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:24,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 162 [2022-11-20 09:31:24,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:24,398 INFO L225 Difference]: With dead ends: 2767 [2022-11-20 09:31:24,399 INFO L226 Difference]: Without dead ends: 2765 [2022-11-20 09:31:24,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 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 09:31:24,401 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 2065 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:24,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4418 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-11-20 09:31:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2765. [2022-11-20 09:31:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2765 states, 1824 states have (on average 1.212719298245614) internal successors, (2212), 1896 states have internal predecessors, (2212), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2765 states and 3696 transitions. [2022-11-20 09:31:24,956 INFO L78 Accepts]: Start accepts. Automaton has 2765 states and 3696 transitions. Word has length 162 [2022-11-20 09:31:24,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:24,957 INFO L495 AbstractCegarLoop]: Abstraction has 2765 states and 3696 transitions. [2022-11-20 09:31:24,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 09:31:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3696 transitions. [2022-11-20 09:31:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 09:31:24,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:24,959 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:24,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (22)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:25,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:25,160 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash 164931167, now seen corresponding path program 1 times [2022-11-20 09:31:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:25,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302151635] [2022-11-20 09:31:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:25,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:25,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:25,162 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:25,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (23)] Waiting until timeout for monitored process [2022-11-20 09:31:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:26,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:27,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:27,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:27,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302151635] [2022-11-20 09:31:27,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302151635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:27,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:27,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:27,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001013901] [2022-11-20 09:31:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:27,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:27,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:27,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:27,933 INFO L87 Difference]: Start difference. First operand 2765 states and 3696 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 09:31:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:28,435 INFO L93 Difference]: Finished difference Result 2765 states and 3696 transitions. [2022-11-20 09:31:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2022-11-20 09:31:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:28,447 INFO L225 Difference]: With dead ends: 2765 [2022-11-20 09:31:28,447 INFO L226 Difference]: Without dead ends: 2763 [2022-11-20 09:31:28,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 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 09:31:28,450 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2057 mSDsluCounter, 2206 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:28,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 4414 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:28,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-11-20 09:31:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-11-20 09:31:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 1823 states have (on average 1.2122874382885354) internal successors, (2210), 1894 states have internal predecessors, (2210), 743 states have call successors, (743), 189 states have call predecessors, (743), 188 states have return successors, (741), 737 states have call predecessors, (741), 741 states have call successors, (741) [2022-11-20 09:31:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3694 transitions. [2022-11-20 09:31:29,211 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3694 transitions. Word has length 168 [2022-11-20 09:31:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:29,212 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3694 transitions. [2022-11-20 09:31:29,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 09:31:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3694 transitions. [2022-11-20 09:31:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-20 09:31:29,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:29,215 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:29,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (23)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:29,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:29,439 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1615194531, now seen corresponding path program 1 times [2022-11-20 09:31:29,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:29,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627949329] [2022-11-20 09:31:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:29,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:29,441 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:29,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (24)] Waiting until timeout for monitored process [2022-11-20 09:31:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:30,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 09:31:30,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-20 09:31:32,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:32,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:32,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627949329] [2022-11-20 09:31:32,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627949329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:32,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:32,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-20 09:31:32,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928019931] [2022-11-20 09:31:32,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:32,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 09:31:32,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:32,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 09:31:32,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-20 09:31:32,123 INFO L87 Difference]: Start difference. First operand 2763 states and 3694 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-20 09:31:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:39,993 INFO L93 Difference]: Finished difference Result 6060 states and 8166 transitions. [2022-11-20 09:31:39,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:31:39,995 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 209 [2022-11-20 09:31:39,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:40,011 INFO L225 Difference]: With dead ends: 6060 [2022-11-20 09:31:40,012 INFO L226 Difference]: Without dead ends: 3317 [2022-11-20 09:31:40,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2022-11-20 09:31:40,029 INFO L413 NwaCegarLoop]: 2720 mSDtfsCounter, 1604 mSDsluCounter, 32885 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 35605 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:40,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 35605 Invalid, 1596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [855 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 09:31:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2022-11-20 09:31:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2790. [2022-11-20 09:31:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1843 states have (on average 1.2110689093868692) internal successors, (2232), 1913 states have internal predecessors, (2232), 750 states have call successors, (750), 189 states have call predecessors, (750), 188 states have return successors, (748), 744 states have call predecessors, (748), 748 states have call successors, (748) [2022-11-20 09:31:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3730 transitions. [2022-11-20 09:31:40,844 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3730 transitions. Word has length 209 [2022-11-20 09:31:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:40,845 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3730 transitions. [2022-11-20 09:31:40,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-20 09:31:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3730 transitions. [2022-11-20 09:31:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 09:31:40,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:40,848 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:40,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (24)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:41,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:41,063 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:41,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:41,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1924621979, now seen corresponding path program 1 times [2022-11-20 09:31:41,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:41,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624388556] [2022-11-20 09:31:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:41,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:41,066 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (25)] Waiting until timeout for monitored process [2022-11-20 09:31:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:42,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:44,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:44,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:44,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624388556] [2022-11-20 09:31:44,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624388556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:44,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:44,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:44,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292976328] [2022-11-20 09:31:44,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:44,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:44,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:44,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:44,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:44,200 INFO L87 Difference]: Start difference. First operand 2790 states and 3730 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 09:31:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:44,813 INFO L93 Difference]: Finished difference Result 2790 states and 3730 transitions. [2022-11-20 09:31:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:44,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2022-11-20 09:31:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:44,823 INFO L225 Difference]: With dead ends: 2790 [2022-11-20 09:31:44,823 INFO L226 Difference]: Without dead ends: 2788 [2022-11-20 09:31:44,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 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 09:31:44,827 INFO L413 NwaCegarLoop]: 2206 mSDtfsCounter, 2049 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 4410 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:44,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 4410 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:44,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2022-11-20 09:31:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2022-11-20 09:31:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1842 states have (on average 1.210640608034745) internal successors, (2230), 1911 states have internal predecessors, (2230), 750 states have call successors, (750), 189 states have call predecessors, (750), 188 states have return successors, (748), 744 states have call predecessors, (748), 748 states have call successors, (748) [2022-11-20 09:31:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3728 transitions. [2022-11-20 09:31:45,740 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3728 transitions. Word has length 174 [2022-11-20 09:31:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:45,741 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 3728 transitions. [2022-11-20 09:31:45,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 09:31:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3728 transitions. [2022-11-20 09:31:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 09:31:45,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:45,744 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:45,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (25)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:45,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:45,969 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash -611636173, now seen corresponding path program 1 times [2022-11-20 09:31:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:45,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550790277] [2022-11-20 09:31:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:45,972 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:45,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (26)] Waiting until timeout for monitored process [2022-11-20 09:31:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:46,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:31:46,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 09:31:48,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:48,968 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:48,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550790277] [2022-11-20 09:31:48,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550790277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:48,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:48,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:48,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323368684] [2022-11-20 09:31:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:48,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:31:48,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:48,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:31:48,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:31:48,970 INFO L87 Difference]: Start difference. First operand 2788 states and 3728 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 09:31:49,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:49,655 INFO L93 Difference]: Finished difference Result 2788 states and 3728 transitions. [2022-11-20 09:31:49,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:31:49,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2022-11-20 09:31:49,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:49,664 INFO L225 Difference]: With dead ends: 2788 [2022-11-20 09:31:49,664 INFO L226 Difference]: Without dead ends: 2595 [2022-11-20 09:31:49,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 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 09:31:49,667 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 2040 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 4410 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 09:31:49,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 4410 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:49,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2022-11-20 09:31:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2595. [2022-11-20 09:31:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2595 states, 1724 states have (on average 1.2215777262180973) internal successors, (2106), 1790 states have internal predecessors, (2106), 695 states have call successors, (695), 169 states have call predecessors, (695), 169 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) [2022-11-20 09:31:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 3496 transitions. [2022-11-20 09:31:50,326 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 3496 transitions. Word has length 180 [2022-11-20 09:31:50,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:50,326 INFO L495 AbstractCegarLoop]: Abstraction has 2595 states and 3496 transitions. [2022-11-20 09:31:50,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 09:31:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3496 transitions. [2022-11-20 09:31:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-20 09:31:50,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:50,330 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:50,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (26)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:50,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:50,556 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:50,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:50,557 INFO L85 PathProgramCache]: Analyzing trace with hash 114494803, now seen corresponding path program 1 times [2022-11-20 09:31:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:50,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583869346] [2022-11-20 09:31:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:50,560 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:50,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (27)] Waiting until timeout for monitored process [2022-11-20 09:31:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:52,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:31:52,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-11-20 09:31:52,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:52,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:52,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583869346] [2022-11-20 09:31:52,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583869346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:52,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:52,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:31:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111534469] [2022-11-20 09:31:52,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:52,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:31:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:52,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:31:52,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:52,616 INFO L87 Difference]: Start difference. First operand 2595 states and 3496 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 09:31:55,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:56,446 INFO L93 Difference]: Finished difference Result 5243 states and 7065 transitions. [2022-11-20 09:31:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:31:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 280 [2022-11-20 09:31:56,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:56,455 INFO L225 Difference]: With dead ends: 5243 [2022-11-20 09:31:56,455 INFO L226 Difference]: Without dead ends: 2667 [2022-11-20 09:31:56,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:56,466 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 116 mSDsluCounter, 5996 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 8037 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:56,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 8037 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:31:56,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2022-11-20 09:31:57,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2598. [2022-11-20 09:31:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 1727 states have (on average 1.2211928199189346) internal successors, (2109), 1793 states have internal predecessors, (2109), 695 states have call successors, (695), 169 states have call predecessors, (695), 169 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) [2022-11-20 09:31:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3499 transitions. [2022-11-20 09:31:57,137 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3499 transitions. Word has length 280 [2022-11-20 09:31:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:57,137 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3499 transitions. [2022-11-20 09:31:57,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 09:31:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3499 transitions. [2022-11-20 09:31:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-20 09:31:57,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:57,141 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:57,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (27)] Forceful destruction successful, exit code 0 [2022-11-20 09:31:57,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:57,363 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:31:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1124311169, now seen corresponding path program 1 times [2022-11-20 09:31:57,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:57,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303594715] [2022-11-20 09:31:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:57,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:31:57,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:57,366 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:31:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (28)] Waiting until timeout for monitored process [2022-11-20 09:31:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:59,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 09:31:59,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-11-20 09:32:00,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:00,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:00,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303594715] [2022-11-20 09:32:00,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303594715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:00,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:00,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-20 09:32:00,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036400473] [2022-11-20 09:32:00,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:00,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 09:32:00,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:00,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 09:32:00,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-11-20 09:32:00,671 INFO L87 Difference]: Start difference. First operand 2598 states and 3499 transitions. Second operand has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2022-11-20 09:32:08,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:08,347 INFO L93 Difference]: Finished difference Result 6059 states and 8226 transitions. [2022-11-20 09:32:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 09:32:08,348 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) Word has length 301 [2022-11-20 09:32:08,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:08,359 INFO L225 Difference]: With dead ends: 6059 [2022-11-20 09:32:08,359 INFO L226 Difference]: Without dead ends: 3479 [2022-11-20 09:32:08,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2022-11-20 09:32:08,371 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 1285 mSDsluCounter, 29391 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 31790 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:08,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 31790 Invalid, 1144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [443 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 09:32:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2022-11-20 09:32:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 2593. [2022-11-20 09:32:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2593 states, 1725 states have (on average 1.2214492753623187) internal successors, (2107), 1791 states have internal predecessors, (2107), 692 states have call successors, (692), 169 states have call predecessors, (692), 169 states have return successors, (692), 688 states have call predecessors, (692), 692 states have call successors, (692) [2022-11-20 09:32:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 3491 transitions. [2022-11-20 09:32:08,949 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 3491 transitions. Word has length 301 [2022-11-20 09:32:08,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:08,950 INFO L495 AbstractCegarLoop]: Abstraction has 2593 states and 3491 transitions. [2022-11-20 09:32:08,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2022-11-20 09:32:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 3491 transitions. [2022-11-20 09:32:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-20 09:32:08,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:08,952 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:08,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (28)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:09,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:09,153 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:09,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash -981104860, now seen corresponding path program 1 times [2022-11-20 09:32:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:09,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329902045] [2022-11-20 09:32:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:09,156 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:09,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (29)] Waiting until timeout for monitored process [2022-11-20 09:32:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:11,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:32:11,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-20 09:32:11,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:11,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:11,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329902045] [2022-11-20 09:32:11,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329902045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:11,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:11,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:32:11,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980894024] [2022-11-20 09:32:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:11,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:32:11,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:11,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:32:11,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:32:11,622 INFO L87 Difference]: Start difference. First operand 2593 states and 3491 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 09:32:12,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:12,606 INFO L93 Difference]: Finished difference Result 5275 states and 7108 transitions. [2022-11-20 09:32:12,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:32:12,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 299 [2022-11-20 09:32:12,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:12,617 INFO L225 Difference]: With dead ends: 5275 [2022-11-20 09:32:12,618 INFO L226 Difference]: Without dead ends: 2701 [2022-11-20 09:32:12,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:32:12,628 INFO L413 NwaCegarLoop]: 2078 mSDtfsCounter, 95 mSDsluCounter, 8201 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 10279 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:12,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 10279 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:32:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-11-20 09:32:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2598. [2022-11-20 09:32:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 1729 states have (on average 1.220936957779063) internal successors, (2111), 1795 states have internal predecessors, (2111), 692 states have call successors, (692), 169 states have call predecessors, (692), 170 states have return successors, (695), 689 states have call predecessors, (695), 692 states have call successors, (695) [2022-11-20 09:32:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3498 transitions. [2022-11-20 09:32:13,382 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3498 transitions. Word has length 299 [2022-11-20 09:32:13,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:13,383 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3498 transitions. [2022-11-20 09:32:13,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 09:32:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3498 transitions. [2022-11-20 09:32:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-20 09:32:13,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:13,387 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:13,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (29)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:13,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:13,603 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1265704346, now seen corresponding path program 1 times [2022-11-20 09:32:13,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:13,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809740625] [2022-11-20 09:32:13,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:13,606 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:13,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (30)] Waiting until timeout for monitored process [2022-11-20 09:32:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:15,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2083 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:32:15,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:32:15,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:15,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:15,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809740625] [2022-11-20 09:32:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809740625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:15,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:15,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:32:15,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342294468] [2022-11-20 09:32:15,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:15,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:15,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:15,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:15,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:15,979 INFO L87 Difference]: Start difference. First operand 2598 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 09:32:16,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:16,566 INFO L93 Difference]: Finished difference Result 5190 states and 6992 transitions. [2022-11-20 09:32:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 315 [2022-11-20 09:32:16,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:16,576 INFO L225 Difference]: With dead ends: 5190 [2022-11-20 09:32:16,576 INFO L226 Difference]: Without dead ends: 2611 [2022-11-20 09:32:16,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:16,585 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 10 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:16,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3954 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:32:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2022-11-20 09:32:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2599. [2022-11-20 09:32:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 1730 states have (on average 1.2208092485549134) internal successors, (2112), 1796 states have internal predecessors, (2112), 692 states have call successors, (692), 169 states have call predecessors, (692), 170 states have return successors, (695), 689 states have call predecessors, (695), 692 states have call successors, (695) [2022-11-20 09:32:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3499 transitions. [2022-11-20 09:32:17,360 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3499 transitions. Word has length 315 [2022-11-20 09:32:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:17,360 INFO L495 AbstractCegarLoop]: Abstraction has 2599 states and 3499 transitions. [2022-11-20 09:32:17,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 09:32:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3499 transitions. [2022-11-20 09:32:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-20 09:32:17,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:17,364 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:17,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (30)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:17,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:17,583 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash 695268284, now seen corresponding path program 1 times [2022-11-20 09:32:17,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:17,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378079256] [2022-11-20 09:32:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:17,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:17,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:17,587 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:17,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (31)] Waiting until timeout for monitored process [2022-11-20 09:32:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:19,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 2101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:32:19,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:32:20,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:20,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378079256] [2022-11-20 09:32:20,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378079256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:20,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:20,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:32:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553545267] [2022-11-20 09:32:20,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:20,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:32:20,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:20,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:32:20,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:20,076 INFO L87 Difference]: Start difference. First operand 2599 states and 3499 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-20 09:32:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:20,690 INFO L93 Difference]: Finished difference Result 5183 states and 6980 transitions. [2022-11-20 09:32:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:32:20,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 325 [2022-11-20 09:32:20,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:20,700 INFO L225 Difference]: With dead ends: 5183 [2022-11-20 09:32:20,700 INFO L226 Difference]: Without dead ends: 2603 [2022-11-20 09:32:20,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:20,712 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 1 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:20,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5921 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:32:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-11-20 09:32:21,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2601. [2022-11-20 09:32:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2601 states, 1732 states have (on average 1.220554272517321) internal successors, (2114), 1797 states have internal predecessors, (2114), 692 states have call successors, (692), 169 states have call predecessors, (692), 170 states have return successors, (695), 689 states have call predecessors, (695), 692 states have call successors, (695) [2022-11-20 09:32:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3501 transitions. [2022-11-20 09:32:21,372 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3501 transitions. Word has length 325 [2022-11-20 09:32:21,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:21,372 INFO L495 AbstractCegarLoop]: Abstraction has 2601 states and 3501 transitions. [2022-11-20 09:32:21,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-20 09:32:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3501 transitions. [2022-11-20 09:32:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-20 09:32:21,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:21,375 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:21,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (31)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:21,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:21,592 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:21,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1681044289, now seen corresponding path program 1 times [2022-11-20 09:32:21,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:21,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384322083] [2022-11-20 09:32:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:21,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:21,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:21,596 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:21,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (32)] Waiting until timeout for monitored process [2022-11-20 09:32:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:24,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:32:24,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:32:24,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-11-20 09:32:24,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:24,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384322083] [2022-11-20 09:32:24,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384322083] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:24,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:32:24,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 09:32:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187474054] [2022-11-20 09:32:24,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:24,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:32:24,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:24,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:32:24,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:32:24,775 INFO L87 Difference]: Start difference. First operand 2601 states and 3501 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-20 09:32:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:25,657 INFO L93 Difference]: Finished difference Result 5192 states and 6993 transitions. [2022-11-20 09:32:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:32:25,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 331 [2022-11-20 09:32:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:25,669 INFO L225 Difference]: With dead ends: 5192 [2022-11-20 09:32:25,669 INFO L226 Difference]: Without dead ends: 2610 [2022-11-20 09:32:25,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:32:25,675 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 7 mSDsluCounter, 5918 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:25,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7896 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:32:25,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2022-11-20 09:32:26,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 2610. [2022-11-20 09:32:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2610 states, 1738 states have (on average 1.2197928653624857) internal successors, (2120), 1803 states have internal predecessors, (2120), 695 states have call successors, (695), 169 states have call predecessors, (695), 170 states have return successors, (698), 692 states have call predecessors, (698), 695 states have call successors, (698) [2022-11-20 09:32:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2610 states and 3513 transitions. [2022-11-20 09:32:26,329 INFO L78 Accepts]: Start accepts. Automaton has 2610 states and 3513 transitions. Word has length 331 [2022-11-20 09:32:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:26,329 INFO L495 AbstractCegarLoop]: Abstraction has 2610 states and 3513 transitions. [2022-11-20 09:32:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-20 09:32:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 3513 transitions. [2022-11-20 09:32:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-20 09:32:26,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:26,332 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:26,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (32)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:26,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:26,533 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1542767176, now seen corresponding path program 2 times [2022-11-20 09:32:26,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:26,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309814447] [2022-11-20 09:32:26,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:32:26,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:26,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:26,536 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:26,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (33)] Waiting until timeout for monitored process [2022-11-20 09:32:29,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:32:29,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:32:29,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2137 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:32:29,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 117 proven. 26 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-20 09:32:30,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-11-20 09:32:30,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:30,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309814447] [2022-11-20 09:32:30,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309814447] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:30,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:32:30,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 09:32:30,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222434920] [2022-11-20 09:32:30,951 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:30,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 09:32:30,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:30,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 09:32:30,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:32:30,953 INFO L87 Difference]: Start difference. First operand 2610 states and 3513 transitions. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 10 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 10 states have call predecessors, (60), 10 states have call successors, (60) [2022-11-20 09:32:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:33,181 INFO L93 Difference]: Finished difference Result 5219 states and 7032 transitions. [2022-11-20 09:32:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:32:33,187 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 10 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 10 states have call predecessors, (60), 10 states have call successors, (60) Word has length 349 [2022-11-20 09:32:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:33,195 INFO L225 Difference]: With dead ends: 5219 [2022-11-20 09:32:33,195 INFO L226 Difference]: Without dead ends: 2628 [2022-11-20 09:32:33,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2022-11-20 09:32:33,202 INFO L413 NwaCegarLoop]: 1987 mSDtfsCounter, 15 mSDsluCounter, 13830 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15817 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:33,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 15817 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 09:32:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-20 09:32:33,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2628. [2022-11-20 09:32:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 1750 states have (on average 1.2182857142857142) internal successors, (2132), 1815 states have internal predecessors, (2132), 701 states have call successors, (701), 169 states have call predecessors, (701), 170 states have return successors, (704), 698 states have call predecessors, (704), 701 states have call successors, (704) [2022-11-20 09:32:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3537 transitions. [2022-11-20 09:32:33,903 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3537 transitions. Word has length 349 [2022-11-20 09:32:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:33,904 INFO L495 AbstractCegarLoop]: Abstraction has 2628 states and 3537 transitions. [2022-11-20 09:32:33,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 10 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 10 states have call predecessors, (60), 10 states have call successors, (60) [2022-11-20 09:32:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3537 transitions. [2022-11-20 09:32:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-20 09:32:33,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:33,906 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 11, 10, 10, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:33,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (33)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:34,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:34,107 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 542665882, now seen corresponding path program 3 times [2022-11-20 09:32:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:34,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130315063] [2022-11-20 09:32:34,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:32:34,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:34,112 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:34,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (34)] Waiting until timeout for monitored process [2022-11-20 09:32:35,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 09:32:35,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:32:36,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:32:36,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2022-11-20 09:32:36,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:36,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:36,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130315063] [2022-11-20 09:32:36,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130315063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:36,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:36,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:32:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623017185] [2022-11-20 09:32:36,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:36,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:32:36,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:36,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:32:36,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:36,201 INFO L87 Difference]: Start difference. First operand 2628 states and 3537 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-20 09:32:37,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:37,023 INFO L93 Difference]: Finished difference Result 5335 states and 7233 transitions. [2022-11-20 09:32:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:32:37,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 385 [2022-11-20 09:32:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:37,034 INFO L225 Difference]: With dead ends: 5335 [2022-11-20 09:32:37,035 INFO L226 Difference]: Without dead ends: 2726 [2022-11-20 09:32:37,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:37,043 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 35 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 6000 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:37,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 6000 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:32:37,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2022-11-20 09:32:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2640. [2022-11-20 09:32:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2640 states, 1758 states have (on average 1.2184300341296928) internal successors, (2142), 1821 states have internal predecessors, (2142), 705 states have call successors, (705), 169 states have call predecessors, (705), 170 states have return successors, (708), 702 states have call predecessors, (708), 705 states have call successors, (708) [2022-11-20 09:32:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 3555 transitions. [2022-11-20 09:32:37,607 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 3555 transitions. Word has length 385 [2022-11-20 09:32:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:37,608 INFO L495 AbstractCegarLoop]: Abstraction has 2640 states and 3555 transitions. [2022-11-20 09:32:37,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-20 09:32:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3555 transitions. [2022-11-20 09:32:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-20 09:32:37,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:37,610 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 11, 10, 10, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:37,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (34)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:37,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:37,811 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:37,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1911014337, now seen corresponding path program 1 times [2022-11-20 09:32:37,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:37,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331873323] [2022-11-20 09:32:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:37,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:37,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:37,814 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:37,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (35)] Waiting until timeout for monitored process [2022-11-20 09:32:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:32:40,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 182 proven. 1 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2022-11-20 09:32:40,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-20 09:32:41,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:41,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331873323] [2022-11-20 09:32:41,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331873323] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:41,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:32:41,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 09:32:41,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841561801] [2022-11-20 09:32:41,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:41,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:32:41,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:32:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:32:41,626 INFO L87 Difference]: Start difference. First operand 2640 states and 3555 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-20 09:32:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:42,721 INFO L93 Difference]: Finished difference Result 5390 states and 7264 transitions. [2022-11-20 09:32:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:32:42,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 397 [2022-11-20 09:32:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:42,732 INFO L225 Difference]: With dead ends: 5390 [2022-11-20 09:32:42,732 INFO L226 Difference]: Without dead ends: 2769 [2022-11-20 09:32:42,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 788 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 09:32:42,740 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 66 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:42,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 5956 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:32:42,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2022-11-20 09:32:43,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2751. [2022-11-20 09:32:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 1836 states have (on average 1.2124183006535947) internal successors, (2226), 1899 states have internal predecessors, (2226), 738 states have call successors, (738), 169 states have call predecessors, (738), 170 states have return successors, (741), 735 states have call predecessors, (741), 738 states have call successors, (741) [2022-11-20 09:32:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 3705 transitions. [2022-11-20 09:32:43,376 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 3705 transitions. Word has length 397 [2022-11-20 09:32:43,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:43,376 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 3705 transitions. [2022-11-20 09:32:43,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-20 09:32:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3705 transitions. [2022-11-20 09:32:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-20 09:32:43,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:43,379 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 11, 10, 10, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:43,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (35)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:43,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:43,580 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:43,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:43,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1078842661, now seen corresponding path program 1 times [2022-11-20 09:32:43,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343814074] [2022-11-20 09:32:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:43,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:43,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:43,585 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:43,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (36)] Waiting until timeout for monitored process [2022-11-20 09:32:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:46,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 2219 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:32:46,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-11-20 09:32:46,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2022-11-20 09:32:47,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:47,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343814074] [2022-11-20 09:32:47,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343814074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:47,570 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:32:47,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 09:32:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660739727] [2022-11-20 09:32:47,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:47,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:32:47,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:47,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:32:47,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:32:47,572 INFO L87 Difference]: Start difference. First operand 2751 states and 3705 transitions. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 6 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-20 09:32:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:49,850 INFO L93 Difference]: Finished difference Result 5725 states and 7809 transitions. [2022-11-20 09:32:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:32:49,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 6 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) Word has length 401 [2022-11-20 09:32:49,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:49,864 INFO L225 Difference]: With dead ends: 5725 [2022-11-20 09:32:49,864 INFO L226 Difference]: Without dead ends: 2993 [2022-11-20 09:32:49,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:32:49,873 INFO L413 NwaCegarLoop]: 2076 mSDtfsCounter, 181 mSDsluCounter, 9984 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 12060 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:49,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 12060 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:32:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-11-20 09:32:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2799. [2022-11-20 09:32:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 1868 states have (on average 1.2130620985010707) internal successors, (2266), 1931 states have internal predecessors, (2266), 754 states have call successors, (754), 169 states have call predecessors, (754), 170 states have return successors, (757), 751 states have call predecessors, (757), 754 states have call successors, (757) [2022-11-20 09:32:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3777 transitions. [2022-11-20 09:32:50,733 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3777 transitions. Word has length 401 [2022-11-20 09:32:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:50,734 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3777 transitions. [2022-11-20 09:32:50,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 6 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-20 09:32:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3777 transitions. [2022-11-20 09:32:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-20 09:32:50,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:50,738 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 10, 10, 10, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:50,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (36)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:50,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:50,938 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:50,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1086475110, now seen corresponding path program 1 times [2022-11-20 09:32:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:50,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589125423] [2022-11-20 09:32:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:50,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:50,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:50,943 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:50,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (37)] Waiting until timeout for monitored process [2022-11-20 09:32:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:54,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 2283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:32:54,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-11-20 09:32:54,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:54,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:54,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589125423] [2022-11-20 09:32:54,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589125423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:54,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:54,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:32:54,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114319760] [2022-11-20 09:32:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:54,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:32:54,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:54,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:32:54,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:32:54,240 INFO L87 Difference]: Start difference. First operand 2799 states and 3777 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-20 09:32:55,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:55,295 INFO L93 Difference]: Finished difference Result 6059 states and 8219 transitions. [2022-11-20 09:32:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:32:55,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 418 [2022-11-20 09:32:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:55,304 INFO L225 Difference]: With dead ends: 6059 [2022-11-20 09:32:55,305 INFO L226 Difference]: Without dead ends: 3279 [2022-11-20 09:32:55,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:32:55,313 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 269 mSDsluCounter, 6542 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 8809 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:55,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 8809 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:32:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-11-20 09:32:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2803. [2022-11-20 09:32:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 1871 states have (on average 1.2127204703367183) internal successors, (2269), 1934 states have internal predecessors, (2269), 754 states have call successors, (754), 169 states have call predecessors, (754), 171 states have return successors, (762), 752 states have call predecessors, (762), 754 states have call successors, (762) [2022-11-20 09:32:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3785 transitions. [2022-11-20 09:32:55,921 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3785 transitions. Word has length 418 [2022-11-20 09:32:55,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:55,922 INFO L495 AbstractCegarLoop]: Abstraction has 2803 states and 3785 transitions. [2022-11-20 09:32:55,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-20 09:32:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3785 transitions. [2022-11-20 09:32:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 09:32:55,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:55,926 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 11, 10, 10, 10, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:55,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (37)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:56,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:56,139 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:32:56,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -906641215, now seen corresponding path program 2 times [2022-11-20 09:32:56,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:56,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370405037] [2022-11-20 09:32:56,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:32:56,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:56,142 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:56,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (38)] Waiting until timeout for monitored process [2022-11-20 09:32:59,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:32:59,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:32:59,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:32:59,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 78 proven. 90 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2022-11-20 09:33:00,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-11-20 09:33:02,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:02,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370405037] [2022-11-20 09:33:02,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370405037] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:02,272 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:33:02,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-20 09:33:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271271982] [2022-11-20 09:33:02,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:02,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 09:33:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:02,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 09:33:02,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-11-20 09:33:02,278 INFO L87 Difference]: Start difference. First operand 2803 states and 3785 transitions. Second operand has 16 states, 16 states have (on average 11.9375) internal successors, (191), 16 states have internal predecessors, (191), 14 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 14 states have call predecessors, (70), 14 states have call successors, (70) [2022-11-20 09:33:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:08,525 INFO L93 Difference]: Finished difference Result 6029 states and 8293 transitions. [2022-11-20 09:33:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:33:08,526 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.9375) internal successors, (191), 16 states have internal predecessors, (191), 14 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 14 states have call predecessors, (70), 14 states have call successors, (70) Word has length 449 [2022-11-20 09:33:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:08,539 INFO L225 Difference]: With dead ends: 6029 [2022-11-20 09:33:08,539 INFO L226 Difference]: Without dead ends: 3245 [2022-11-20 09:33:08,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:33:08,552 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 426 mSDsluCounter, 15025 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 17265 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:08,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 17265 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-20 09:33:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-11-20 09:33:09,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 2863. [2022-11-20 09:33:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2863 states, 1911 states have (on average 1.2135007849293564) internal successors, (2319), 1974 states have internal predecessors, (2319), 774 states have call successors, (774), 169 states have call predecessors, (774), 171 states have return successors, (782), 772 states have call predecessors, (782), 774 states have call successors, (782) [2022-11-20 09:33:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 3875 transitions. [2022-11-20 09:33:09,282 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 3875 transitions. Word has length 449 [2022-11-20 09:33:09,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:09,283 INFO L495 AbstractCegarLoop]: Abstraction has 2863 states and 3875 transitions. [2022-11-20 09:33:09,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.9375) internal successors, (191), 16 states have internal predecessors, (191), 14 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 14 states have call predecessors, (70), 14 states have call successors, (70) [2022-11-20 09:33:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3875 transitions. [2022-11-20 09:33:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-11-20 09:33:09,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:09,287 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 10, 10, 10, 8, 8, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:09,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (38)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:09,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:09,488 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:09,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1983151961, now seen corresponding path program 1 times [2022-11-20 09:33:09,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:09,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695871325] [2022-11-20 09:33:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:09,491 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (39)] Waiting until timeout for monitored process [2022-11-20 09:33:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:33:12,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-11-20 09:33:12,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:12,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:12,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695871325] [2022-11-20 09:33:12,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695871325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:12,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:12,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:12,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901611784] [2022-11-20 09:33:12,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:12,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:12,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:12,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:12,955 INFO L87 Difference]: Start difference. First operand 2863 states and 3875 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-20 09:33:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:13,897 INFO L93 Difference]: Finished difference Result 6190 states and 8416 transitions. [2022-11-20 09:33:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:13,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 459 [2022-11-20 09:33:13,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:13,916 INFO L225 Difference]: With dead ends: 6190 [2022-11-20 09:33:13,916 INFO L226 Difference]: Without dead ends: 3346 [2022-11-20 09:33:13,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:13,925 INFO L413 NwaCegarLoop]: 2391 mSDtfsCounter, 271 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:13,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 4441 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:13,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2022-11-20 09:33:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 2864. [2022-11-20 09:33:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 1912 states have (on average 1.213389121338912) internal successors, (2320), 1975 states have internal predecessors, (2320), 774 states have call successors, (774), 169 states have call predecessors, (774), 171 states have return successors, (782), 772 states have call predecessors, (782), 774 states have call successors, (782) [2022-11-20 09:33:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 3876 transitions. [2022-11-20 09:33:14,713 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 3876 transitions. Word has length 459 [2022-11-20 09:33:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:14,713 INFO L495 AbstractCegarLoop]: Abstraction has 2864 states and 3876 transitions. [2022-11-20 09:33:14,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-20 09:33:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3876 transitions. [2022-11-20 09:33:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-20 09:33:14,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:14,718 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:14,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (39)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:14,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:14,920 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1128812292, now seen corresponding path program 3 times [2022-11-20 09:33:14,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:14,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174814183] [2022-11-20 09:33:14,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:33:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:14,923 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:14,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (40)] Waiting until timeout for monitored process [2022-11-20 09:33:17,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 09:33:17,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:17,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:17,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1861 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-11-20 09:33:17,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:17,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:17,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174814183] [2022-11-20 09:33:17,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174814183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:17,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:17,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:33:17,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167716290] [2022-11-20 09:33:17,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:17,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:33:17,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:17,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:33:17,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:33:17,543 INFO L87 Difference]: Start difference. First operand 2864 states and 3876 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 09:33:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:19,313 INFO L93 Difference]: Finished difference Result 5830 states and 7896 transitions. [2022-11-20 09:33:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:33:19,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 509 [2022-11-20 09:33:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:19,326 INFO L225 Difference]: With dead ends: 5830 [2022-11-20 09:33:19,326 INFO L226 Difference]: Without dead ends: 2985 [2022-11-20 09:33:19,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:33:19,334 INFO L413 NwaCegarLoop]: 2099 mSDtfsCounter, 190 mSDsluCounter, 10236 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 12335 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:19,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 12335 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 09:33:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2022-11-20 09:33:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2867. [2022-11-20 09:33:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 1915 states have (on average 1.2125326370757181) internal successors, (2322), 1978 states have internal predecessors, (2322), 774 states have call successors, (774), 169 states have call predecessors, (774), 171 states have return successors, (782), 772 states have call predecessors, (782), 774 states have call successors, (782) [2022-11-20 09:33:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3878 transitions. [2022-11-20 09:33:20,026 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3878 transitions. Word has length 509 [2022-11-20 09:33:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:20,027 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 3878 transitions. [2022-11-20 09:33:20,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 09:33:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3878 transitions. [2022-11-20 09:33:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-11-20 09:33:20,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:20,031 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:20,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (40)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:20,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:20,232 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:20,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:20,233 INFO L85 PathProgramCache]: Analyzing trace with hash 908215230, now seen corresponding path program 1 times [2022-11-20 09:33:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:20,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812190147] [2022-11-20 09:33:20,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:20,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:20,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:20,235 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:20,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (41)] Waiting until timeout for monitored process [2022-11-20 09:33:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:24,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 3216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:33:24,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2022-11-20 09:33:24,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:24,557 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:24,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812190147] [2022-11-20 09:33:24,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812190147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:24,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:24,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:24,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041029708] [2022-11-20 09:33:24,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:24,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:24,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:24,559 INFO L87 Difference]: Start difference. First operand 2867 states and 3878 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-11-20 09:33:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:25,347 INFO L93 Difference]: Finished difference Result 5722 states and 7743 transitions. [2022-11-20 09:33:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:25,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 653 [2022-11-20 09:33:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:25,364 INFO L225 Difference]: With dead ends: 5722 [2022-11-20 09:33:25,364 INFO L226 Difference]: Without dead ends: 2874 [2022-11-20 09:33:25,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:25,377 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 6 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3942 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:25,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3942 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:33:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-11-20 09:33:26,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2868. [2022-11-20 09:33:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2868 states, 1916 states have (on average 1.2124217118997913) internal successors, (2323), 1979 states have internal predecessors, (2323), 774 states have call successors, (774), 169 states have call predecessors, (774), 171 states have return successors, (782), 772 states have call predecessors, (782), 774 states have call successors, (782) [2022-11-20 09:33:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 3879 transitions. [2022-11-20 09:33:26,178 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 3879 transitions. Word has length 653 [2022-11-20 09:33:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:26,179 INFO L495 AbstractCegarLoop]: Abstraction has 2868 states and 3879 transitions. [2022-11-20 09:33:26,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-11-20 09:33:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 3879 transitions. [2022-11-20 09:33:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2022-11-20 09:33:26,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:26,184 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:26,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (41)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:26,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:26,384 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1744043688, now seen corresponding path program 1 times [2022-11-20 09:33:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:26,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527126] [2022-11-20 09:33:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:26,388 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:26,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (42)] Waiting until timeout for monitored process [2022-11-20 09:33:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:30,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 3221 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:33:30,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 483 proven. 1 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2022-11-20 09:33:30,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-20 09:33:32,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:32,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527126] [2022-11-20 09:33:32,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527126] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:32,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:33:32,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 09:33:32,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102882883] [2022-11-20 09:33:32,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:32,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:32,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:32,107 INFO L87 Difference]: Start difference. First operand 2868 states and 3879 transitions. Second operand has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-20 09:33:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:33,174 INFO L93 Difference]: Finished difference Result 5738 states and 7765 transitions. [2022-11-20 09:33:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:33,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 657 [2022-11-20 09:33:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:33,187 INFO L225 Difference]: With dead ends: 5738 [2022-11-20 09:33:33,187 INFO L226 Difference]: Without dead ends: 2889 [2022-11-20 09:33:33,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1313 GetRequests, 1308 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 09:33:33,199 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 36 mSDsluCounter, 3943 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 5923 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:33,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 5923 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:33:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2889 states. [2022-11-20 09:33:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2889 to 2889. [2022-11-20 09:33:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2889 states, 1934 states have (on average 1.2119958634953465) internal successors, (2344), 1997 states have internal predecessors, (2344), 777 states have call successors, (777), 169 states have call predecessors, (777), 171 states have return successors, (785), 775 states have call predecessors, (785), 777 states have call successors, (785) [2022-11-20 09:33:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 3906 transitions. [2022-11-20 09:33:34,065 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 3906 transitions. Word has length 657 [2022-11-20 09:33:34,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:34,066 INFO L495 AbstractCegarLoop]: Abstraction has 2889 states and 3906 transitions. [2022-11-20 09:33:34,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-20 09:33:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3906 transitions. [2022-11-20 09:33:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2022-11-20 09:33:34,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:34,072 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:34,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (42)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:34,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:34,273 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:34,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:34,273 INFO L85 PathProgramCache]: Analyzing trace with hash -636612250, now seen corresponding path program 2 times [2022-11-20 09:33:34,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:34,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522749655] [2022-11-20 09:33:34,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:33:34,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:34,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:34,277 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (43)] Waiting until timeout for monitored process [2022-11-20 09:33:38,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:33:38,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:39,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:39,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 483 proven. 28 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2022-11-20 09:33:39,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-20 09:33:41,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:41,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522749655] [2022-11-20 09:33:41,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522749655] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:41,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:33:41,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 09:33:41,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791375848] [2022-11-20 09:33:41,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:41,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:33:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:41,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:33:41,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:33:41,063 INFO L87 Difference]: Start difference. First operand 2889 states and 3906 transitions. Second operand has 12 states, 12 states have (on average 20.5) internal successors, (246), 12 states have internal predecessors, (246), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-20 09:33:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:43,102 INFO L93 Difference]: Finished difference Result 5772 states and 7807 transitions. [2022-11-20 09:33:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:33:43,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 20.5) internal successors, (246), 12 states have internal predecessors, (246), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 669 [2022-11-20 09:33:43,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:43,115 INFO L225 Difference]: With dead ends: 5772 [2022-11-20 09:33:43,116 INFO L226 Difference]: Without dead ends: 2902 [2022-11-20 09:33:43,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1336 GetRequests, 1326 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:33:43,127 INFO L413 NwaCegarLoop]: 1994 mSDtfsCounter, 57 mSDsluCounter, 15831 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 17825 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:43,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 17825 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:33:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-11-20 09:33:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2896. [2022-11-20 09:33:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1940 states have (on average 1.2118556701030927) internal successors, (2351), 2003 states have internal predecessors, (2351), 778 states have call successors, (778), 169 states have call predecessors, (778), 171 states have return successors, (786), 776 states have call predecessors, (786), 778 states have call successors, (786) [2022-11-20 09:33:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3915 transitions. [2022-11-20 09:33:43,828 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3915 transitions. Word has length 669 [2022-11-20 09:33:43,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:43,828 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3915 transitions. [2022-11-20 09:33:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 20.5) internal successors, (246), 12 states have internal predecessors, (246), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-20 09:33:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3915 transitions. [2022-11-20 09:33:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2022-11-20 09:33:43,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:43,834 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:43,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (43)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:44,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:44,035 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:33:44,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1886435408, now seen corresponding path program 3 times [2022-11-20 09:33:44,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:33:44,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164885219] [2022-11-20 09:33:44,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:33:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:33:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:33:44,039 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:33:44,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (44)] Waiting until timeout for monitored process [2022-11-20 09:33:46,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 09:33:46,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 09:33:46,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2022-11-20 09:33:48,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:48,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:33:48,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164885219] [2022-11-20 09:33:48,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164885219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:48,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:48,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:33:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369140020] [2022-11-20 09:33:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:48,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:33:48,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:33:48,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:33:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:33:48,145 INFO L87 Difference]: Start difference. First operand 2896 states and 3915 transitions. Second operand has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 12 states have internal predecessors, (196), 1 states have call successors, (71), 1 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 1 states have call successors, (71) [2022-11-20 09:34:01,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:01,287 INFO L93 Difference]: Finished difference Result 4745 states and 6546 transitions. [2022-11-20 09:34:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-20 09:34:01,288 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 12 states have internal predecessors, (196), 1 states have call successors, (71), 1 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 1 states have call successors, (71) Word has length 673 [2022-11-20 09:34:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:01,300 INFO L225 Difference]: With dead ends: 4745 [2022-11-20 09:34:01,301 INFO L226 Difference]: Without dead ends: 4743 [2022-11-20 09:34:01,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=465, Invalid=1515, Unknown=0, NotChecked=0, Total=1980 [2022-11-20 09:34:01,304 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 2144 mSDsluCounter, 26643 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 29454 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:01,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 29454 Invalid, 1874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1077 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-20 09:34:01,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2022-11-20 09:34:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 2905. [2022-11-20 09:34:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 1949 states have (on average 1.2119035402770653) internal successors, (2362), 2011 states have internal predecessors, (2362), 778 states have call successors, (778), 169 states have call predecessors, (778), 171 states have return successors, (786), 776 states have call predecessors, (786), 778 states have call successors, (786) [2022-11-20 09:34:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 3926 transitions. [2022-11-20 09:34:02,160 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 3926 transitions. Word has length 673 [2022-11-20 09:34:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:02,161 INFO L495 AbstractCegarLoop]: Abstraction has 2905 states and 3926 transitions. [2022-11-20 09:34:02,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 12 states have internal predecessors, (196), 1 states have call successors, (71), 1 states have call predecessors, (71), 2 states have return successors, (71), 2 states have call predecessors, (71), 1 states have call successors, (71) [2022-11-20 09:34:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3926 transitions. [2022-11-20 09:34:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-11-20 09:34:02,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:02,168 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:02,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (44)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:02,369 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:34:02,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1982375283, now seen corresponding path program 1 times [2022-11-20 09:34:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111592163] [2022-11-20 09:34:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:02,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:02,372 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (45)] Waiting until timeout for monitored process [2022-11-20 09:34:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:07,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 3306 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:07,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1856 trivial. 0 not checked. [2022-11-20 09:34:08,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:08,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:34:08,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111592163] [2022-11-20 09:34:08,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111592163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:08,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:08,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:34:08,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595007963] [2022-11-20 09:34:08,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:08,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:34:08,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:34:08,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:34:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:34:08,121 INFO L87 Difference]: Start difference. First operand 2905 states and 3926 transitions. Second operand has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-11-20 09:34:14,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:15,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:15,108 INFO L93 Difference]: Finished difference Result 6777 states and 9229 transitions. [2022-11-20 09:34:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:34:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 699 [2022-11-20 09:34:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:15,136 INFO L225 Difference]: With dead ends: 6777 [2022-11-20 09:34:15,136 INFO L226 Difference]: Without dead ends: 3891 [2022-11-20 09:34:15,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:34:15,144 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1074 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 11368 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:15,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 11368 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 09:34:15,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2022-11-20 09:34:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 2911. [2022-11-20 09:34:15,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 1954 states have (on average 1.2118730808597749) internal successors, (2368), 2016 states have internal predecessors, (2368), 779 states have call successors, (779), 169 states have call predecessors, (779), 171 states have return successors, (787), 777 states have call predecessors, (787), 779 states have call successors, (787) [2022-11-20 09:34:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 3934 transitions. [2022-11-20 09:34:15,901 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 3934 transitions. Word has length 699 [2022-11-20 09:34:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:15,902 INFO L495 AbstractCegarLoop]: Abstraction has 2911 states and 3934 transitions. [2022-11-20 09:34:15,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-11-20 09:34:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3934 transitions. [2022-11-20 09:34:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2022-11-20 09:34:15,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:15,909 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:15,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (45)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:16,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:16,115 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:34:16,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:16,115 INFO L85 PathProgramCache]: Analyzing trace with hash 279952168, now seen corresponding path program 1 times [2022-11-20 09:34:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:16,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597959637] [2022-11-20 09:34:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:16,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:16,119 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:16,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (46)] Waiting until timeout for monitored process [2022-11-20 09:34:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:34:21,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 1856 trivial. 0 not checked. [2022-11-20 09:34:21,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2022-11-20 09:34:22,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:34:22,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597959637] [2022-11-20 09:34:22,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597959637] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:22,231 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:34:22,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 09:34:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413164627] [2022-11-20 09:34:22,232 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:22,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:34:22,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:34:22,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:34:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:34:22,234 INFO L87 Difference]: Start difference. First operand 2911 states and 3934 transitions. Second operand has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 4 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2022-11-20 09:34:30,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,570 INFO L93 Difference]: Finished difference Result 7772 states and 10645 transitions. [2022-11-20 09:34:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:34:30,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 4 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) Word has length 700 [2022-11-20 09:34:30,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,588 INFO L225 Difference]: With dead ends: 7772 [2022-11-20 09:34:30,588 INFO L226 Difference]: Without dead ends: 4880 [2022-11-20 09:34:30,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1395 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 09:34:30,595 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 1351 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 11647 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 11647 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-20 09:34:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2022-11-20 09:34:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 2922. [2022-11-20 09:34:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 1963 states have (on average 1.2119205298013245) internal successors, (2379), 2025 states have internal predecessors, (2379), 781 states have call successors, (781), 169 states have call predecessors, (781), 171 states have return successors, (789), 779 states have call predecessors, (789), 781 states have call successors, (789) [2022-11-20 09:34:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3949 transitions. [2022-11-20 09:34:31,346 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3949 transitions. Word has length 700 [2022-11-20 09:34:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:31,346 INFO L495 AbstractCegarLoop]: Abstraction has 2922 states and 3949 transitions. [2022-11-20 09:34:31,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 4 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2022-11-20 09:34:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3949 transitions. [2022-11-20 09:34:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2022-11-20 09:34:31,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:31,354 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 23, 23, 20, 20, 20, 20, 20, 20, 13, 13, 13, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:31,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (46)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:31,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:31,555 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:34:31,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:31,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2037291247, now seen corresponding path program 1 times [2022-11-20 09:34:31,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:31,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760023360] [2022-11-20 09:34:31,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:31,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:31,560 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:31,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (47)] Waiting until timeout for monitored process [2022-11-20 09:34:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:38,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 4050 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:34:38,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4469 backedges. 117 proven. 5 refuted. 0 times theorem prover too weak. 4347 trivial. 0 not checked. [2022-11-20 09:34:39,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4469 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4464 trivial. 0 not checked. [2022-11-20 09:34:40,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:34:40,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760023360] [2022-11-20 09:34:40,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760023360] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:40,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:34:40,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 09:34:40,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59365213] [2022-11-20 09:34:40,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:40,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:34:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:34:40,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:34:40,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:34:40,617 INFO L87 Difference]: Start difference. First operand 2922 states and 3949 transitions. Second operand has 12 states, 12 states have (on average 19.916666666666668) internal successors, (239), 12 states have internal predecessors, (239), 6 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 6 states have call predecessors, (95), 6 states have call successors, (95) [2022-11-20 09:35:05,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:35:08,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:08,376 INFO L93 Difference]: Finished difference Result 9225 states and 12703 transitions. [2022-11-20 09:35:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 09:35:08,377 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.916666666666668) internal successors, (239), 12 states have internal predecessors, (239), 6 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 6 states have call predecessors, (95), 6 states have call successors, (95) Word has length 914 [2022-11-20 09:35:08,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:08,400 INFO L225 Difference]: With dead ends: 9225 [2022-11-20 09:35:08,400 INFO L226 Difference]: Without dead ends: 6322 [2022-11-20 09:35:08,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1825 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2022-11-20 09:35:08,409 INFO L413 NwaCegarLoop]: 3011 mSDtfsCounter, 5774 mSDsluCounter, 18077 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 1958 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5938 SdHoareTripleChecker+Valid, 21088 SdHoareTripleChecker+Invalid, 3675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1958 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:08,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5938 Valid, 21088 Invalid, 3675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1958 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 22.4s Time] [2022-11-20 09:35:08,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6322 states. [2022-11-20 09:35:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6322 to 2926. [2022-11-20 09:35:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 1966 states have (on average 1.2121057985757884) internal successors, (2383), 2028 states have internal predecessors, (2383), 782 states have call successors, (782), 169 states have call predecessors, (782), 171 states have return successors, (790), 780 states have call predecessors, (790), 782 states have call successors, (790) [2022-11-20 09:35:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3955 transitions. [2022-11-20 09:35:09,436 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3955 transitions. Word has length 914 [2022-11-20 09:35:09,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:09,437 INFO L495 AbstractCegarLoop]: Abstraction has 2926 states and 3955 transitions. [2022-11-20 09:35:09,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.916666666666668) internal successors, (239), 12 states have internal predecessors, (239), 6 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 6 states have call predecessors, (95), 6 states have call successors, (95) [2022-11-20 09:35:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3955 transitions. [2022-11-20 09:35:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2022-11-20 09:35:09,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:09,452 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 38, 38, 34, 34, 34, 34, 34, 34, 15, 15, 15, 15, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:09,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (47)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:09,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:09,653 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:35:09,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:09,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1185417446, now seen corresponding path program 1 times [2022-11-20 09:35:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:35:09,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438729622] [2022-11-20 09:35:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:09,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:35:09,659 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (48)] Waiting until timeout for monitored process [2022-11-20 09:35:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:19,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 5593 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:35:19,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10218 backedges. 4622 proven. 0 refuted. 0 times theorem prover too weak. 5596 trivial. 0 not checked. [2022-11-20 09:35:19,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:35:19,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:35:19,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438729622] [2022-11-20 09:35:19,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438729622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:19,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:19,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:35:19,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187885314] [2022-11-20 09:35:19,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:19,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:35:19,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:35:19,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:35:19,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:19,626 INFO L87 Difference]: Start difference. First operand 2926 states and 3955 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) [2022-11-20 09:35:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:20,608 INFO L93 Difference]: Finished difference Result 5840 states and 7897 transitions. [2022-11-20 09:35:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:35:20,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) Word has length 1225 [2022-11-20 09:35:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:20,617 INFO L225 Difference]: With dead ends: 5840 [2022-11-20 09:35:20,617 INFO L226 Difference]: Without dead ends: 2933 [2022-11-20 09:35:20,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1224 GetRequests, 1223 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:20,623 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 6 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3942 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:20,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3942 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:35:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2022-11-20 09:35:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2927. [2022-11-20 09:35:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 1967 states have (on average 1.211997966446365) internal successors, (2384), 2029 states have internal predecessors, (2384), 782 states have call successors, (782), 169 states have call predecessors, (782), 171 states have return successors, (790), 780 states have call predecessors, (790), 782 states have call successors, (790) [2022-11-20 09:35:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3956 transitions. [2022-11-20 09:35:21,476 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3956 transitions. Word has length 1225 [2022-11-20 09:35:21,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:21,477 INFO L495 AbstractCegarLoop]: Abstraction has 2927 states and 3956 transitions. [2022-11-20 09:35:21,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) [2022-11-20 09:35:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3956 transitions. [2022-11-20 09:35:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1346 [2022-11-20 09:35:21,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:21,495 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 45, 45, 40, 40, 40, 40, 40, 40, 20, 20, 20, 20, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:21,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (48)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:21,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:21,711 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:35:21,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash 411913098, now seen corresponding path program 2 times [2022-11-20 09:35:21,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:35:21,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108293415] [2022-11-20 09:35:21,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:35:21,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:21,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:35:21,716 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:35:21,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (49)] Waiting until timeout for monitored process [2022-11-20 09:35:23,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 09:35:23,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:35:23,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 09:35:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13872 trivial. 0 not checked. [2022-11-20 09:35:24,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:35:24,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:35:24,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108293415] [2022-11-20 09:35:24,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108293415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:24,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:24,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:35:24,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632124546] [2022-11-20 09:35:24,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:24,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:35:24,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:35:24,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:35:24,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:35:24,387 INFO L87 Difference]: Start difference. First operand 2927 states and 3956 transitions. Second operand has 7 states, 7 states have (on average 29.428571428571427) internal successors, (206), 7 states have internal predecessors, (206), 2 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-20 09:35:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:29,358 INFO L93 Difference]: Finished difference Result 4389 states and 6030 transitions. [2022-11-20 09:35:29,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:35:29,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.428571428571427) internal successors, (206), 7 states have internal predecessors, (206), 2 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 1345 [2022-11-20 09:35:29,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:29,379 INFO L225 Difference]: With dead ends: 4389 [2022-11-20 09:35:29,379 INFO L226 Difference]: Without dead ends: 4387 [2022-11-20 09:35:29,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1342 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:35:29,383 INFO L413 NwaCegarLoop]: 2884 mSDtfsCounter, 808 mSDsluCounter, 13432 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 16316 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:29,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 16316 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 09:35:29,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2022-11-20 09:35:30,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 2927. [2022-11-20 09:35:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 1967 states have (on average 1.2114895780376207) internal successors, (2383), 2029 states have internal predecessors, (2383), 782 states have call successors, (782), 169 states have call predecessors, (782), 171 states have return successors, (790), 780 states have call predecessors, (790), 782 states have call successors, (790) [2022-11-20 09:35:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3955 transitions. [2022-11-20 09:35:30,397 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3955 transitions. Word has length 1345 [2022-11-20 09:35:30,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:30,399 INFO L495 AbstractCegarLoop]: Abstraction has 2927 states and 3955 transitions. [2022-11-20 09:35:30,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.428571428571427) internal successors, (206), 7 states have internal predecessors, (206), 2 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-20 09:35:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3955 transitions. [2022-11-20 09:35:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1376 [2022-11-20 09:35:30,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:30,416 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 45, 45, 40, 40, 40, 40, 40, 40, 20, 20, 20, 20, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 11, 10, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:30,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (49)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:30,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:30,617 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:35:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 361296603, now seen corresponding path program 1 times [2022-11-20 09:35:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:35:30,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449930938] [2022-11-20 09:35:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:35:30,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:35:30,623 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:35:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (50)] Waiting until timeout for monitored process [2022-11-20 09:35:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:45,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 5786 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:35:45,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14177 backedges. 389 proven. 34 refuted. 0 times theorem prover too weak. 13754 trivial. 0 not checked. [2022-11-20 09:35:45,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:35:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14177 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 14143 trivial. 0 not checked. [2022-11-20 09:35:48,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:35:48,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449930938] [2022-11-20 09:35:48,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449930938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:35:48,903 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:35:48,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 09:35:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919056220] [2022-11-20 09:35:48,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:35:48,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:35:48,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:35:48,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:35:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:48,907 INFO L87 Difference]: Start difference. First operand 2927 states and 3955 transitions. Second operand has 12 states, 12 states have (on average 21.083333333333332) internal successors, (253), 12 states have internal predecessors, (253), 10 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (104), 10 states have call predecessors, (104), 10 states have call successors, (104) [2022-11-20 09:36:12,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:13,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:27,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:32,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:42,029 INFO L93 Difference]: Finished difference Result 10759 states and 14880 transitions. [2022-11-20 09:36:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:36:42,030 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.083333333333332) internal successors, (253), 12 states have internal predecessors, (253), 10 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (104), 10 states have call predecessors, (104), 10 states have call successors, (104) Word has length 1375 [2022-11-20 09:36:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:42,071 INFO L225 Difference]: With dead ends: 10759 [2022-11-20 09:36:42,071 INFO L226 Difference]: Without dead ends: 7851 [2022-11-20 09:36:42,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2756 GetRequests, 2742 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-20 09:36:42,083 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 8621 mSDsluCounter, 17464 mSDsCounter, 0 mSdLazyCounter, 3299 mSolverCounterSat, 2398 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9133 SdHoareTripleChecker+Valid, 21817 SdHoareTripleChecker+Invalid, 5698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2398 IncrementalHoareTripleChecker+Valid, 3299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:42,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9133 Valid, 21817 Invalid, 5698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2398 Valid, 3299 Invalid, 1 Unknown, 0 Unchecked, 45.6s Time] [2022-11-20 09:36:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7851 states. [2022-11-20 09:36:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7851 to 2953. [2022-11-20 09:36:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 1988 states have (on average 1.2117706237424548) internal successors, (2409), 2050 states have internal predecessors, (2409), 787 states have call successors, (787), 169 states have call predecessors, (787), 171 states have return successors, (795), 785 states have call predecessors, (795), 787 states have call successors, (795) [2022-11-20 09:36:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 3991 transitions. [2022-11-20 09:36:43,344 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 3991 transitions. Word has length 1375 [2022-11-20 09:36:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:43,345 INFO L495 AbstractCegarLoop]: Abstraction has 2953 states and 3991 transitions. [2022-11-20 09:36:43,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.083333333333332) internal successors, (253), 12 states have internal predecessors, (253), 10 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (104), 10 states have call predecessors, (104), 10 states have call successors, (104) [2022-11-20 09:36:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3991 transitions. [2022-11-20 09:36:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1264 [2022-11-20 09:36:43,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:43,359 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 38, 38, 34, 34, 34, 34, 34, 34, 16, 16, 16, 15, 15, 15, 15, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:43,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (50)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:43,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:43,560 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:36:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:43,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1191789853, now seen corresponding path program 1 times [2022-11-20 09:36:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:36:43,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120093722] [2022-11-20 09:36:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:43,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:43,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:36:43,566 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:36:43,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (51)] Waiting until timeout for monitored process [2022-11-20 09:36:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:53,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 5850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:36:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10537 backedges. 4894 proven. 1 refuted. 0 times theorem prover too weak. 5642 trivial. 0 not checked. [2022-11-20 09:36:53,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:36:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10537 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10522 trivial. 0 not checked. [2022-11-20 09:36:55,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:36:55,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120093722] [2022-11-20 09:36:55,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120093722] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:36:55,457 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:36:55,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 09:36:55,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393181565] [2022-11-20 09:36:55,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:36:55,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:36:55,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:36:55,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:36:55,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:36:55,460 INFO L87 Difference]: Start difference. First operand 2953 states and 3991 transitions. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) [2022-11-20 09:36:56,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:56,687 INFO L93 Difference]: Finished difference Result 5908 states and 7989 transitions. [2022-11-20 09:36:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:36:56,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) Word has length 1263 [2022-11-20 09:36:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:56,740 INFO L225 Difference]: With dead ends: 5908 [2022-11-20 09:36:56,740 INFO L226 Difference]: Without dead ends: 2974 [2022-11-20 09:36:56,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2526 GetRequests, 2521 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 09:36:56,745 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 31 mSDsluCounter, 5910 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 7890 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:56,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 7890 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:36:56,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2022-11-20 09:36:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2974. [2022-11-20 09:36:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2006 states have (on average 1.2113659022931207) internal successors, (2430), 2068 states have internal predecessors, (2430), 790 states have call successors, (790), 169 states have call predecessors, (790), 171 states have return successors, (798), 788 states have call predecessors, (798), 790 states have call successors, (798) [2022-11-20 09:36:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 4018 transitions. [2022-11-20 09:36:57,633 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 4018 transitions. Word has length 1263 [2022-11-20 09:36:57,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:57,634 INFO L495 AbstractCegarLoop]: Abstraction has 2974 states and 4018 transitions. [2022-11-20 09:36:57,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) [2022-11-20 09:36:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 4018 transitions. [2022-11-20 09:36:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1288 [2022-11-20 09:36:57,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:57,648 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 38, 38, 34, 34, 34, 34, 34, 34, 16, 16, 16, 15, 15, 15, 15, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:57,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (51)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:57,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:57,849 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:36:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1593421287, now seen corresponding path program 2 times [2022-11-20 09:36:57,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:36:57,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4996487] [2022-11-20 09:36:57,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:36:57,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:57,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:36:57,853 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:36:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (52)] Waiting until timeout for monitored process [2022-11-20 09:37:08,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:37:08,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:37:08,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 5880 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:37:08,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10657 backedges. 4960 proven. 28 refuted. 0 times theorem prover too weak. 5669 trivial. 0 not checked. [2022-11-20 09:37:09,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:37:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10657 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 10549 trivial. 0 not checked. [2022-11-20 09:37:11,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:37:11,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4996487] [2022-11-20 09:37:11,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4996487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:37:11,354 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:37:11,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 09:37:11,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903210330] [2022-11-20 09:37:11,354 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:37:11,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:37:11,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:37:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:37:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:37:11,357 INFO L87 Difference]: Start difference. First operand 2974 states and 4018 transitions. Second operand has 12 states, 12 states have (on average 26.416666666666668) internal successors, (317), 12 states have internal predecessors, (317), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) [2022-11-20 09:37:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:37:13,283 INFO L93 Difference]: Finished difference Result 5950 states and 8043 transitions. [2022-11-20 09:37:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:37:13,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 26.416666666666668) internal successors, (317), 12 states have internal predecessors, (317), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) Word has length 1287 [2022-11-20 09:37:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:37:13,292 INFO L225 Difference]: With dead ends: 5950 [2022-11-20 09:37:13,293 INFO L226 Difference]: Without dead ends: 2995 [2022-11-20 09:37:13,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2574 GetRequests, 2563 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 09:37:13,300 INFO L413 NwaCegarLoop]: 1994 mSDtfsCounter, 75 mSDsluCounter, 11869 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 13863 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:37:13,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 13863 Invalid, 152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 09:37:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2022-11-20 09:37:14,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2995. [2022-11-20 09:37:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2024 states have (on average 1.2109683794466404) internal successors, (2451), 2086 states have internal predecessors, (2451), 793 states have call successors, (793), 169 states have call predecessors, (793), 171 states have return successors, (801), 791 states have call predecessors, (801), 793 states have call successors, (801) [2022-11-20 09:37:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4045 transitions. [2022-11-20 09:37:14,371 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4045 transitions. Word has length 1287 [2022-11-20 09:37:14,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:37:14,372 INFO L495 AbstractCegarLoop]: Abstraction has 2995 states and 4045 transitions. [2022-11-20 09:37:14,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 26.416666666666668) internal successors, (317), 12 states have internal predecessors, (317), 2 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (133), 2 states have call predecessors, (133), 2 states have call successors, (133) [2022-11-20 09:37:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4045 transitions. [2022-11-20 09:37:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2022-11-20 09:37:14,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:37:14,390 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 56, 56, 50, 50, 50, 50, 50, 50, 25, 25, 25, 25, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 16, 16, 16, 14, 14, 11, 11, 11, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:37:14,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (52)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:14,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:37:14,591 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:37:14,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:14,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1253489540, now seen corresponding path program 1 times [2022-11-20 09:37:14,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:37:14,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095497068] [2022-11-20 09:37:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:14,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:37:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:37:14,595 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:37:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (53)] Waiting until timeout for monitored process [2022-11-20 09:37:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:29,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 6529 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:37:29,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 21082 backedges. 395 proven. 50 refuted. 0 times theorem prover too weak. 20637 trivial. 0 not checked. [2022-11-20 09:37:30,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:37:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21082 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 21032 trivial. 0 not checked. [2022-11-20 09:37:33,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:37:33,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095497068] [2022-11-20 09:37:33,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095497068] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:37:33,373 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:37:33,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-11-20 09:37:33,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437677338] [2022-11-20 09:37:33,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:37:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 09:37:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:37:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 09:37:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2022-11-20 09:37:33,378 INFO L87 Difference]: Start difference. First operand 2995 states and 4045 transitions. Second operand has 18 states, 18 states have (on average 14.5) internal successors, (261), 18 states have internal predecessors, (261), 12 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (106), 12 states have call predecessors, (106), 12 states have call successors, (106) [2022-11-20 09:38:09,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:38:12,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:38:21,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:38:31,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:38:38,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:38:55,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:38:55,236 INFO L93 Difference]: Finished difference Result 12311 states and 17061 transitions. [2022-11-20 09:38:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-20 09:38:55,237 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 14.5) internal successors, (261), 18 states have internal predecessors, (261), 12 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (106), 12 states have call predecessors, (106), 12 states have call successors, (106) Word has length 1589 [2022-11-20 09:38:55,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:38:55,260 INFO L225 Difference]: With dead ends: 12311 [2022-11-20 09:38:55,260 INFO L226 Difference]: Without dead ends: 9335 [2022-11-20 09:38:55,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3230 GetRequests, 3181 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=610, Invalid=1940, Unknown=0, NotChecked=0, Total=2550 [2022-11-20 09:38:55,268 INFO L413 NwaCegarLoop]: 4577 mSDtfsCounter, 17261 mSDsluCounter, 37814 mSDsCounter, 0 mSdLazyCounter, 7011 mSolverCounterSat, 5875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17425 SdHoareTripleChecker+Valid, 42391 SdHoareTripleChecker+Invalid, 12886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5875 IncrementalHoareTripleChecker+Valid, 7011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:38:55,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17425 Valid, 42391 Invalid, 12886 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5875 Valid, 7011 Invalid, 0 Unknown, 0 Unchecked, 69.9s Time] [2022-11-20 09:38:55,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9335 states. [2022-11-20 09:38:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9335 to 2999. [2022-11-20 09:38:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2999 states, 2027 states have (on average 1.2111494819930932) internal successors, (2455), 2089 states have internal predecessors, (2455), 794 states have call successors, (794), 169 states have call predecessors, (794), 171 states have return successors, (802), 792 states have call predecessors, (802), 794 states have call successors, (802) [2022-11-20 09:38:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 4051 transitions. [2022-11-20 09:38:56,368 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 4051 transitions. Word has length 1589 [2022-11-20 09:38:56,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:38:56,369 INFO L495 AbstractCegarLoop]: Abstraction has 2999 states and 4051 transitions. [2022-11-20 09:38:56,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 14.5) internal successors, (261), 18 states have internal predecessors, (261), 12 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (106), 12 states have call predecessors, (106), 12 states have call successors, (106) [2022-11-20 09:38:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 4051 transitions. [2022-11-20 09:38:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2022-11-20 09:38:56,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:38:56,383 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 38, 38, 34, 34, 34, 34, 34, 34, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:38:56,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (53)] Forceful destruction successful, exit code 0 [2022-11-20 09:38:56,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:38:56,583 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:38:56,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1529074923, now seen corresponding path program 3 times [2022-11-20 09:38:56,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:38:56,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185842591] [2022-11-20 09:38:56,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:38:56,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:38:56,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:38:56,588 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:38:56,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (54)] Waiting until timeout for monitored process [2022-11-20 09:39:00,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 09:39:00,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:39:00,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 09:39:00,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10921 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 10854 trivial. 0 not checked. [2022-11-20 09:39:00,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:39:00,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:39:00,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185842591] [2022-11-20 09:39:00,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185842591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:39:00,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:39:00,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:39:00,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592689949] [2022-11-20 09:39:00,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:39:00,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:39:00,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:39:00,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:39:00,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:39:00,542 INFO L87 Difference]: Start difference. First operand 2999 states and 4051 transitions. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 5 states have internal predecessors, (224), 3 states have call successors, (93), 2 states have call predecessors, (93), 3 states have return successors, (90), 4 states have call predecessors, (90), 3 states have call successors, (90) [2022-11-20 09:39:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:02,761 INFO L93 Difference]: Finished difference Result 6067 states and 8216 transitions. [2022-11-20 09:39:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:39:02,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 5 states have internal predecessors, (224), 3 states have call successors, (93), 2 states have call predecessors, (93), 3 states have return successors, (90), 4 states have call predecessors, (90), 3 states have call successors, (90) Word has length 1311 [2022-11-20 09:39:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:39:02,771 INFO L225 Difference]: With dead ends: 6067 [2022-11-20 09:39:02,771 INFO L226 Difference]: Without dead ends: 3087 [2022-11-20 09:39:02,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1311 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:39:02,779 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 254 mSDsluCounter, 7779 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:39:02,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 9815 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 09:39:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-11-20 09:39:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 2999. [2022-11-20 09:39:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2999 states, 2027 states have (on average 1.2101628021706956) internal successors, (2453), 2087 states have internal predecessors, (2453), 794 states have call successors, (794), 169 states have call predecessors, (794), 171 states have return successors, (802), 792 states have call predecessors, (802), 794 states have call successors, (802) [2022-11-20 09:39:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 4049 transitions. [2022-11-20 09:39:03,830 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 4049 transitions. Word has length 1311 [2022-11-20 09:39:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:39:03,830 INFO L495 AbstractCegarLoop]: Abstraction has 2999 states and 4049 transitions. [2022-11-20 09:39:03,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 5 states have internal predecessors, (224), 3 states have call successors, (93), 2 states have call predecessors, (93), 3 states have return successors, (90), 4 states have call predecessors, (90), 3 states have call successors, (90) [2022-11-20 09:39:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 4049 transitions. [2022-11-20 09:39:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2022-11-20 09:39:03,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:39:03,844 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 38, 38, 34, 34, 34, 34, 34, 34, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:03,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (54)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:04,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:39:04,046 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:39:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:04,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1934292430, now seen corresponding path program 1 times [2022-11-20 09:39:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:39:04,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836919938] [2022-11-20 09:39:04,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:04,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:39:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:39:04,051 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:39:04,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (55)] Waiting until timeout for monitored process [2022-11-20 09:39:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:17,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:39:17,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10924 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 10526 trivial. 0 not checked. [2022-11-20 09:39:17,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:39:17,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:39:17,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836919938] [2022-11-20 09:39:17,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836919938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:39:17,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:39:17,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:39:17,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290802658] [2022-11-20 09:39:17,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:39:17,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:39:17,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:39:17,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:39:17,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:39:17,370 INFO L87 Difference]: Start difference. First operand 2999 states and 4049 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) [2022-11-20 09:39:18,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:18,536 INFO L93 Difference]: Finished difference Result 5986 states and 8083 transitions. [2022-11-20 09:39:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:39:18,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) Word has length 1315 [2022-11-20 09:39:18,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:39:18,546 INFO L225 Difference]: With dead ends: 5986 [2022-11-20 09:39:18,546 INFO L226 Difference]: Without dead ends: 3006 [2022-11-20 09:39:18,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1314 GetRequests, 1313 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:39:18,553 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 3 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3936 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:39:18,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3936 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:39:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2022-11-20 09:39:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 3001. [2022-11-20 09:39:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2029 states have (on average 1.2099556431739773) internal successors, (2455), 2089 states have internal predecessors, (2455), 794 states have call successors, (794), 169 states have call predecessors, (794), 171 states have return successors, (802), 792 states have call predecessors, (802), 794 states have call successors, (802) [2022-11-20 09:39:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4051 transitions. [2022-11-20 09:39:19,612 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4051 transitions. Word has length 1315 [2022-11-20 09:39:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:39:19,612 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4051 transitions. [2022-11-20 09:39:19,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) [2022-11-20 09:39:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4051 transitions. [2022-11-20 09:39:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1420 [2022-11-20 09:39:19,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:39:19,628 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 38, 38, 34, 34, 34, 34, 34, 34, 22, 20, 20, 20, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:19,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (55)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:19,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:39:19,829 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:39:19,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:19,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1788499148, now seen corresponding path program 1 times [2022-11-20 09:39:19,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:39:19,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488060265] [2022-11-20 09:39:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:39:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:39:19,833 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:39:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (56)] Waiting until timeout for monitored process [2022-11-20 09:39:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:33,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 6127 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:39:33,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13066 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 12616 trivial. 0 not checked. [2022-11-20 09:39:33,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:39:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13066 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13065 trivial. 0 not checked. [2022-11-20 09:39:35,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:39:35,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488060265] [2022-11-20 09:39:35,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488060265] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:39:35,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:39:35,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 09:39:35,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112986900] [2022-11-20 09:39:35,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:39:35,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:39:35,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:39:35,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:39:35,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:39:35,345 INFO L87 Difference]: Start difference. First operand 3001 states and 4051 transitions. Second operand has 6 states, 6 states have (on average 41.333333333333336) internal successors, (248), 6 states have internal predecessors, (248), 4 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (112), 4 states have call predecessors, (112), 4 states have call successors, (112) [2022-11-20 09:39:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:36,733 INFO L93 Difference]: Finished difference Result 5997 states and 8098 transitions. [2022-11-20 09:39:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:39:36,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.333333333333336) internal successors, (248), 6 states have internal predecessors, (248), 4 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (112), 4 states have call predecessors, (112), 4 states have call successors, (112) Word has length 1419 [2022-11-20 09:39:36,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:39:36,741 INFO L225 Difference]: With dead ends: 5997 [2022-11-20 09:39:36,741 INFO L226 Difference]: Without dead ends: 3015 [2022-11-20 09:39:36,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2836 GetRequests, 2832 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:39:36,746 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 13 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5900 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:39:36,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5900 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:39:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2022-11-20 09:39:37,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3015. [2022-11-20 09:39:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 2039 states have (on average 1.2089259440902402) internal successors, (2465), 2099 states have internal predecessors, (2465), 798 states have call successors, (798), 169 states have call predecessors, (798), 171 states have return successors, (806), 796 states have call predecessors, (806), 798 states have call successors, (806) [2022-11-20 09:39:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4069 transitions. [2022-11-20 09:39:37,758 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4069 transitions. Word has length 1419 [2022-11-20 09:39:37,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:39:37,758 INFO L495 AbstractCegarLoop]: Abstraction has 3015 states and 4069 transitions. [2022-11-20 09:39:37,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.333333333333336) internal successors, (248), 6 states have internal predecessors, (248), 4 states have call successors, (115), 2 states have call predecessors, (115), 2 states have return successors, (112), 4 states have call predecessors, (112), 4 states have call successors, (112) [2022-11-20 09:39:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4069 transitions. [2022-11-20 09:39:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1628 [2022-11-20 09:39:37,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:39:37,778 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:37,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (56)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:37,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:39:37,979 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:39:37,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:37,979 INFO L85 PathProgramCache]: Analyzing trace with hash 424327052, now seen corresponding path program 2 times [2022-11-20 09:39:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:39:37,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112521230] [2022-11-20 09:39:37,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:39:37,983 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 09:39:37,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:39:37,984 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:39:37,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (57)] Waiting until timeout for monitored process [2022-11-20 09:39:53,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:39:53,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:39:54,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 6527 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:39:54,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 19438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19438 trivial. 0 not checked. [2022-11-20 09:40:11,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:11,683 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:40:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112521230] [2022-11-20 09:40:11,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112521230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:11,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:11,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:40:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987271117] [2022-11-20 09:40:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:11,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:40:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:40:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:40:11,687 INFO L87 Difference]: Start difference. First operand 3015 states and 4069 transitions. Second operand has 5 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 1 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (90), 1 states have call predecessors, (90), 1 states have call successors, (90) [2022-11-20 09:40:13,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:13,070 INFO L93 Difference]: Finished difference Result 3864 states and 5176 transitions. [2022-11-20 09:40:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:40:13,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 1 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (90), 1 states have call predecessors, (90), 1 states have call successors, (90) Word has length 1627 [2022-11-20 09:40:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:13,078 INFO L225 Difference]: With dead ends: 3864 [2022-11-20 09:40:13,079 INFO L226 Difference]: Without dead ends: 3862 [2022-11-20 09:40:13,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1628 GetRequests, 1623 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:40:13,080 INFO L413 NwaCegarLoop]: 2164 mSDtfsCounter, 1120 mSDsluCounter, 5243 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 7407 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:13,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 7407 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:40:13,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2022-11-20 09:40:14,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3854. [2022-11-20 09:40:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2572 states have (on average 1.2037325038880249) internal successors, (3096), 2635 states have internal predecessors, (3096), 1032 states have call successors, (1032), 242 states have call predecessors, (1032), 244 states have return successors, (1039), 1030 states have call predecessors, (1039), 1032 states have call successors, (1039) [2022-11-20 09:40:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5167 transitions. [2022-11-20 09:40:14,299 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5167 transitions. Word has length 1627 [2022-11-20 09:40:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:14,300 INFO L495 AbstractCegarLoop]: Abstraction has 3854 states and 5167 transitions. [2022-11-20 09:40:14,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 1 states have call successors, (93), 2 states have call predecessors, (93), 1 states have return successors, (90), 1 states have call predecessors, (90), 1 states have call successors, (90) [2022-11-20 09:40:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5167 transitions. [2022-11-20 09:40:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1645 [2022-11-20 09:40:14,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:14,321 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 17, 17, 17, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:14,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (57)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:14,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:14,521 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:40:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:14,522 INFO L85 PathProgramCache]: Analyzing trace with hash -682599610, now seen corresponding path program 1 times [2022-11-20 09:40:14,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:14,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087998990] [2022-11-20 09:40:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:14,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:14,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:14,527 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:14,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (58)] Waiting until timeout for monitored process [2022-11-20 09:40:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:30,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 6498 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:40:30,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 19550 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 19085 trivial. 0 not checked. [2022-11-20 09:40:30,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:30,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:40:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087998990] [2022-11-20 09:40:30,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087998990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:30,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:30,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:40:30,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476677425] [2022-11-20 09:40:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:30,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:40:30,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:30,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:40:30,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:40:30,580 INFO L87 Difference]: Start difference. First operand 3854 states and 5167 transitions. Second operand has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-11-20 09:40:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:33,136 INFO L93 Difference]: Finished difference Result 6406 states and 8592 transitions. [2022-11-20 09:40:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:40:33,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) Word has length 1644 [2022-11-20 09:40:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:33,144 INFO L225 Difference]: With dead ends: 6406 [2022-11-20 09:40:33,145 INFO L226 Difference]: Without dead ends: 2568 [2022-11-20 09:40:33,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1646 GetRequests, 1640 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:40:33,154 INFO L413 NwaCegarLoop]: 2152 mSDtfsCounter, 308 mSDsluCounter, 8224 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 10376 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:33,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 10376 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 09:40:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2022-11-20 09:40:34,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2310. [2022-11-20 09:40:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1554 states have (on average 1.191119691119691) internal successors, (1851), 1592 states have internal predecessors, (1851), 611 states have call successors, (611), 138 states have call predecessors, (611), 140 states have return successors, (618), 610 states have call predecessors, (618), 611 states have call successors, (618) [2022-11-20 09:40:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3080 transitions. [2022-11-20 09:40:34,010 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3080 transitions. Word has length 1644 [2022-11-20 09:40:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:34,011 INFO L495 AbstractCegarLoop]: Abstraction has 2310 states and 3080 transitions. [2022-11-20 09:40:34,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-11-20 09:40:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3080 transitions. [2022-11-20 09:40:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1645 [2022-11-20 09:40:34,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:34,032 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 17, 17, 17, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:34,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (58)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:34,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:34,247 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:40:34,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1214897156, now seen corresponding path program 1 times [2022-11-20 09:40:34,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:34,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809336309] [2022-11-20 09:40:34,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:34,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:34,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:34,252 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (59)] Waiting until timeout for monitored process [2022-11-20 09:40:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:50,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 6497 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:40:50,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19550 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 19266 trivial. 0 not checked. [2022-11-20 09:40:51,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:51,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:40:51,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809336309] [2022-11-20 09:40:51,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809336309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:51,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:51,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 09:40:51,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304530970] [2022-11-20 09:40:51,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:51,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:40:51,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:51,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:40:51,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:40:51,181 INFO L87 Difference]: Start difference. First operand 2310 states and 3080 transitions. Second operand has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 8 states have internal predecessors, (248), 3 states have call successors, (97), 2 states have call predecessors, (97), 4 states have return successors, (95), 4 states have call predecessors, (95), 3 states have call successors, (95) [2022-11-20 09:40:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:55,005 INFO L93 Difference]: Finished difference Result 5183 states and 6956 transitions. [2022-11-20 09:40:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:40:55,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 8 states have internal predecessors, (248), 3 states have call successors, (97), 2 states have call predecessors, (97), 4 states have return successors, (95), 4 states have call predecessors, (95), 3 states have call successors, (95) Word has length 1644 [2022-11-20 09:40:55,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:55,013 INFO L225 Difference]: With dead ends: 5183 [2022-11-20 09:40:55,013 INFO L226 Difference]: Without dead ends: 2891 [2022-11-20 09:40:55,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1647 GetRequests, 1637 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:40:55,017 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 475 mSDsluCounter, 15414 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 17675 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:55,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 17675 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 09:40:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2022-11-20 09:40:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2318. [2022-11-20 09:40:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1560 states have (on average 1.1903846153846154) internal successors, (1857), 1598 states have internal predecessors, (1857), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 612 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:40:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3091 transitions. [2022-11-20 09:40:55,871 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3091 transitions. Word has length 1644 [2022-11-20 09:40:55,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:55,872 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 3091 transitions. [2022-11-20 09:40:55,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 27.555555555555557) internal successors, (248), 8 states have internal predecessors, (248), 3 states have call successors, (97), 2 states have call predecessors, (97), 4 states have return successors, (95), 4 states have call predecessors, (95), 3 states have call successors, (95) [2022-11-20 09:40:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3091 transitions. [2022-11-20 09:40:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2022-11-20 09:40:55,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:55,894 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 19, 19, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (59)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:56,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:56,096 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:40:56,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 53919570, now seen corresponding path program 1 times [2022-11-20 09:40:56,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:56,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088063029] [2022-11-20 09:40:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:56,100 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (60)] Waiting until timeout for monitored process [2022-11-20 09:41:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:13,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 6625 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:41:13,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 19543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19543 trivial. 0 not checked. [2022-11-20 09:41:13,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:41:13,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:41:13,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088063029] [2022-11-20 09:41:13,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088063029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:41:13,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:41:13,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:41:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390797442] [2022-11-20 09:41:13,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:41:13,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:41:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:41:13,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:41:13,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:41:13,710 INFO L87 Difference]: Start difference. First operand 2318 states and 3091 transitions. Second operand has 6 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 3 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-20 09:41:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:41:14,736 INFO L93 Difference]: Finished difference Result 2318 states and 3091 transitions. [2022-11-20 09:41:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:41:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 3 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 1649 [2022-11-20 09:41:14,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:41:14,743 INFO L225 Difference]: With dead ends: 2318 [2022-11-20 09:41:14,743 INFO L226 Difference]: Without dead ends: 2316 [2022-11-20 09:41:14,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1650 GetRequests, 1644 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:41:14,744 INFO L413 NwaCegarLoop]: 1965 mSDtfsCounter, 48 mSDsluCounter, 7807 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 9772 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:41:14,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 9772 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:41:14,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-11-20 09:41:15,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2316. [2022-11-20 09:41:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 1559 states have (on average 1.1892238614496473) internal successors, (1854), 1596 states have internal predecessors, (1854), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 612 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:41:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3088 transitions. [2022-11-20 09:41:15,678 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3088 transitions. Word has length 1649 [2022-11-20 09:41:15,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:41:15,679 INFO L495 AbstractCegarLoop]: Abstraction has 2316 states and 3088 transitions. [2022-11-20 09:41:15,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 3 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-20 09:41:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3088 transitions. [2022-11-20 09:41:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1654 [2022-11-20 09:41:15,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:41:15,699 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 19, 19, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:41:15,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (60)] Forceful destruction successful, exit code 0 [2022-11-20 09:41:15,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:41:15,900 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:41:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:15,901 INFO L85 PathProgramCache]: Analyzing trace with hash 158514840, now seen corresponding path program 1 times [2022-11-20 09:41:15,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:41:15,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672849999] [2022-11-20 09:41:15,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:15,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:41:15,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:41:15,906 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:41:15,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (61)] Waiting until timeout for monitored process [2022-11-20 09:41:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:33,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 6632 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:41:33,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 19543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19543 trivial. 0 not checked. [2022-11-20 09:41:51,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:41:51,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:41:51,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672849999] [2022-11-20 09:41:51,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672849999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:41:51,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:41:51,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:41:51,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733287880] [2022-11-20 09:41:51,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:41:51,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:41:51,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:41:51,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:41:51,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:41:51,657 INFO L87 Difference]: Start difference. First operand 2316 states and 3088 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 1 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (93), 1 states have call predecessors, (93), 1 states have call successors, (93) [2022-11-20 09:41:52,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:41:52,519 INFO L93 Difference]: Finished difference Result 4607 states and 6163 transitions. [2022-11-20 09:41:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:41:52,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 1 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (93), 1 states have call predecessors, (93), 1 states have call successors, (93) Word has length 1653 [2022-11-20 09:41:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:41:52,526 INFO L225 Difference]: With dead ends: 4607 [2022-11-20 09:41:52,526 INFO L226 Difference]: Without dead ends: 2310 [2022-11-20 09:41:52,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1652 GetRequests, 1651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:41:52,532 INFO L413 NwaCegarLoop]: 1963 mSDtfsCounter, 1539 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 1963 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 09:41:52,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 1963 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:41:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-11-20 09:41:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2310. [2022-11-20 09:41:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1554 states have (on average 1.1872586872586872) internal successors, (1845), 1590 states have internal predecessors, (1845), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 612 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:41:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3079 transitions. [2022-11-20 09:41:53,506 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3079 transitions. Word has length 1653 [2022-11-20 09:41:53,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:41:53,507 INFO L495 AbstractCegarLoop]: Abstraction has 2310 states and 3079 transitions. [2022-11-20 09:41:53,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 1 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (93), 1 states have call predecessors, (93), 1 states have call successors, (93) [2022-11-20 09:41:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3079 transitions. [2022-11-20 09:41:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1657 [2022-11-20 09:41:53,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:41:53,527 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:41:53,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (61)] Forceful destruction successful, exit code 0 [2022-11-20 09:41:53,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:41:53,751 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:41:53,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash 370404429, now seen corresponding path program 1 times [2022-11-20 09:41:53,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:41:53,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306803268] [2022-11-20 09:41:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:41:53,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:41:53,758 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:41:53,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (62)] Waiting until timeout for monitored process [2022-11-20 09:42:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:11,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 6584 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:42:11,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 19568 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19502 trivial. 0 not checked. [2022-11-20 09:42:11,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:42:11,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:42:11,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306803268] [2022-11-20 09:42:11,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306803268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:42:11,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:42:11,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:42:11,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631243504] [2022-11-20 09:42:11,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:42:11,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:42:11,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:42:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:42:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:42:11,388 INFO L87 Difference]: Start difference. First operand 2310 states and 3079 transitions. Second operand has 5 states, 5 states have (on average 47.8) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-11-20 09:42:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:42:12,604 INFO L93 Difference]: Finished difference Result 2310 states and 3079 transitions. [2022-11-20 09:42:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:42:12,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) Word has length 1656 [2022-11-20 09:42:12,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:42:12,610 INFO L225 Difference]: With dead ends: 2310 [2022-11-20 09:42:12,610 INFO L226 Difference]: Without dead ends: 2308 [2022-11-20 09:42:12,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1657 GetRequests, 1652 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:42:12,611 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 895 mSDsluCounter, 6097 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 8393 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:42:12,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 8393 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:42:12,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2022-11-20 09:42:13,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2308. [2022-11-20 09:42:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1553 states have (on average 1.1867353509336767) internal successors, (1843), 1588 states have internal predecessors, (1843), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 612 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:42:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3077 transitions. [2022-11-20 09:42:13,499 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3077 transitions. Word has length 1656 [2022-11-20 09:42:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:42:13,500 INFO L495 AbstractCegarLoop]: Abstraction has 2308 states and 3077 transitions. [2022-11-20 09:42:13,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-11-20 09:42:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3077 transitions. [2022-11-20 09:42:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1662 [2022-11-20 09:42:13,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:42:13,524 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 17, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:42:13,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (62)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:13,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:13,724 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:42:13,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1775216018, now seen corresponding path program 1 times [2022-11-20 09:42:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:42:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277990772] [2022-11-20 09:42:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:13,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:13,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:42:13,729 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:42:13,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (63)] Waiting until timeout for monitored process [2022-11-20 09:42:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:30,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 6383 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:42:30,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19433 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 19132 trivial. 0 not checked. [2022-11-20 09:42:30,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:42:30,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:42:30,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277990772] [2022-11-20 09:42:30,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277990772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:42:30,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:42:30,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:42:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329742738] [2022-11-20 09:42:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:42:30,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:42:30,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:42:30,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:42:30,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:42:30,523 INFO L87 Difference]: Start difference. First operand 2308 states and 3077 transitions. Second operand has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-11-20 09:42:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:42:33,154 INFO L93 Difference]: Finished difference Result 4862 states and 6500 transitions. [2022-11-20 09:42:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:42:33,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 1661 [2022-11-20 09:42:33,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:42:33,162 INFO L225 Difference]: With dead ends: 4862 [2022-11-20 09:42:33,162 INFO L226 Difference]: Without dead ends: 2573 [2022-11-20 09:42:33,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1667 GetRequests, 1658 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:42:33,166 INFO L413 NwaCegarLoop]: 2183 mSDtfsCounter, 562 mSDsluCounter, 10172 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 12355 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:42:33,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 12355 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 09:42:33,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2022-11-20 09:42:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 2302. [2022-11-20 09:42:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 1547 states have (on average 1.1861667744020685) internal successors, (1835), 1582 states have internal predecessors, (1835), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 612 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:42:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3069 transitions. [2022-11-20 09:42:34,054 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3069 transitions. Word has length 1661 [2022-11-20 09:42:34,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:42:34,055 INFO L495 AbstractCegarLoop]: Abstraction has 2302 states and 3069 transitions. [2022-11-20 09:42:34,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-11-20 09:42:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3069 transitions. [2022-11-20 09:42:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1662 [2022-11-20 09:42:34,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:42:34,075 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 17, 17, 17, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:42:34,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (63)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:34,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:34,279 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:42:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash 797748592, now seen corresponding path program 1 times [2022-11-20 09:42:34,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:42:34,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155523846] [2022-11-20 09:42:34,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:34,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:42:34,284 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:42:34,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (64)] Waiting until timeout for monitored process [2022-11-20 09:42:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:50,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 6382 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:42:50,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 19433 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 19096 trivial. 0 not checked. [2022-11-20 09:42:50,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:42:50,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:42:50,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155523846] [2022-11-20 09:42:50,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155523846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:42:50,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:42:50,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:42:50,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575607494] [2022-11-20 09:42:50,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:42:50,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:42:50,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:42:50,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:42:50,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:42:50,373 INFO L87 Difference]: Start difference. First operand 2302 states and 3069 transitions. Second operand has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-11-20 09:42:53,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:42:53,267 INFO L93 Difference]: Finished difference Result 5064 states and 6786 transitions. [2022-11-20 09:42:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:42:53,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 1661 [2022-11-20 09:42:53,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:42:53,275 INFO L225 Difference]: With dead ends: 5064 [2022-11-20 09:42:53,275 INFO L226 Difference]: Without dead ends: 2780 [2022-11-20 09:42:53,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1663 GetRequests, 1657 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:42:53,280 INFO L413 NwaCegarLoop]: 2389 mSDtfsCounter, 526 mSDsluCounter, 8611 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 11000 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:42:53,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 11000 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 09:42:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2022-11-20 09:42:54,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2301. [2022-11-20 09:42:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 1547 states have (on average 1.1855203619909502) internal successors, (1834), 1581 states have internal predecessors, (1834), 611 states have call successors, (611), 138 states have call predecessors, (611), 141 states have return successors, (621), 612 states have call predecessors, (621), 611 states have call successors, (621) [2022-11-20 09:42:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 3066 transitions. [2022-11-20 09:42:54,126 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 3066 transitions. Word has length 1661 [2022-11-20 09:42:54,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:42:54,127 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 3066 transitions. [2022-11-20 09:42:54,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 3 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-11-20 09:42:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 3066 transitions. [2022-11-20 09:42:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1708 [2022-11-20 09:42:54,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:42:54,148 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 44, 40, 40, 40, 38, 38, 34, 34, 34, 34, 34, 34, 19, 19, 19, 17, 17, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:42:54,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (64)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:54,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:54,349 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:42:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash -155228441, now seen corresponding path program 1 times [2022-11-20 09:42:54,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:42:54,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000992601] [2022-11-20 09:42:54,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:54,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:42:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:42:54,354 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:42:54,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (65)] Waiting until timeout for monitored process [2022-11-20 09:43:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:43:10,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 6577 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:43:10,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:43:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 19699 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 19351 trivial. 0 not checked. [2022-11-20 09:43:11,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:43:11,214 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:43:11,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000992601] [2022-11-20 09:43:11,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000992601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:43:11,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:43:11,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 09:43:11,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502649029] [2022-11-20 09:43:11,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:43:11,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:43:11,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:43:11,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:43:11,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:43:11,217 INFO L87 Difference]: Start difference. First operand 2301 states and 3066 transitions. Second operand has 10 states, 10 states have (on average 27.3) internal successors, (273), 9 states have internal predecessors, (273), 3 states have call successors, (104), 2 states have call predecessors, (104), 3 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-20 09:43:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:43:14,577 INFO L93 Difference]: Finished difference Result 5131 states and 6873 transitions. [2022-11-20 09:43:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:43:14,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.3) internal successors, (273), 9 states have internal predecessors, (273), 3 states have call successors, (104), 2 states have call predecessors, (104), 3 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100) Word has length 1707 [2022-11-20 09:43:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:43:14,587 INFO L225 Difference]: With dead ends: 5131 [2022-11-20 09:43:14,587 INFO L226 Difference]: Without dead ends: 2849 [2022-11-20 09:43:14,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1716 GetRequests, 1702 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-20 09:43:14,592 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 707 mSDsluCounter, 17504 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 19760 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:43:14,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 19760 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 09:43:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2022-11-20 09:43:15,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2306. [2022-11-20 09:43:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 1551 states have (on average 1.1850419084461639) internal successors, (1838), 1585 states have internal predecessors, (1838), 612 states have call successors, (612), 138 states have call predecessors, (612), 141 states have return successors, (622), 613 states have call predecessors, (622), 612 states have call successors, (622) [2022-11-20 09:43:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3072 transitions. [2022-11-20 09:43:15,457 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3072 transitions. Word has length 1707 [2022-11-20 09:43:15,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:43:15,458 INFO L495 AbstractCegarLoop]: Abstraction has 2306 states and 3072 transitions. [2022-11-20 09:43:15,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.3) internal successors, (273), 9 states have internal predecessors, (273), 3 states have call successors, (104), 2 states have call predecessors, (104), 3 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-20 09:43:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3072 transitions. [2022-11-20 09:43:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-11-20 09:43:15,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:43:15,487 INFO L195 NwaCegarLoop]: trace histogram [75, 75, 45, 45, 44, 40, 40, 40, 34, 34, 34, 34, 34, 34, 23, 23, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:43:15,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (65)] Forceful destruction successful, exit code 0 [2022-11-20 09:43:15,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:43:15,687 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-20 09:43:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:43:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1202077051, now seen corresponding path program 1 times [2022-11-20 09:43:15,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:43:15,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615567828] [2022-11-20 09:43:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:43:15,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:43:15,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:43:15,693 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:43:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f57782-7f3a-4b5f-bbd1-18e46cd38a64/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 (66)] Waiting until timeout for monitored process