./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/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_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/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_7a0013f5-1285-4c87-9408-ff30d4262d04/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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:40:25,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:40:25,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:40:25,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:40:25,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:40:25,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:40:25,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:40:25,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:40:25,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:40:25,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:40:25,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:40:25,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:40:25,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:40:25,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:40:25,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:40:25,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:40:25,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:40:25,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:40:25,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:40:25,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:40:25,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:40:25,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:40:25,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:40:25,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:40:25,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:40:25,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:40:25,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:40:25,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:40:25,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:40:25,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:40:25,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:40:25,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:40:25,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:40:25,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:40:25,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:40:25,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:40:25,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:40:25,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:40:25,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:40:25,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:40:25,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:40:25,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:40:25,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:40:25,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:40:25,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:40:25,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:40:25,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:40:25,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:40:25,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:40:25,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:40:25,479 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:40:25,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:40:25,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:40:25,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:40:25,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:40:25,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:40:25,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:40:25,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:40:25,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:40:25,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:40:25,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:40:25,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:40:25,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:40:25,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:40:25,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:40:25,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:40:25,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:40:25,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:40:25,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:40:25,486 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:40:25,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:40:25,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:40:25,487 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_7a0013f5-1285-4c87-9408-ff30d4262d04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-11-20 11:40:25,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:40:25,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:40:25,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:40:25,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:40:25,857 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:40:25,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-20 11:40:29,723 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:40:30,744 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:40:30,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-20 11:40:30,808 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/de60fd94f/7256944dddda45e18ba46422d6e99bff/FLAGa69301b68 [2022-11-20 11:40:30,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/de60fd94f/7256944dddda45e18ba46422d6e99bff [2022-11-20 11:40:30,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:40:30,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:40:30,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:40:30,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:40:30,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:40:30,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:30" (1/1) ... [2022-11-20 11:40:30,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d15953a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:30, skipping insertion in model container [2022-11-20 11:40:30,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:30" (1/1) ... [2022-11-20 11:40:30,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:40:31,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:40:32,269 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:40:32,277 INFO L158 Benchmark]: Toolchain (without parser) took 1442.60ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 123.1MB in the end (delta: -34.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-20 11:40:32,277 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:40:32,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.71ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 123.1MB in the end (delta: -34.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-20 11:40:32,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.71ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 123.1MB in the end (delta: -34.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/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_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/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_7a0013f5-1285-4c87-9408-ff30d4262d04/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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:40:35,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:40:35,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:40:35,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:40:35,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:40:35,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:40:35,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:40:35,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:40:35,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:40:35,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:40:35,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:40:35,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:40:35,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:40:35,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:40:35,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:40:35,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:40:35,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:40:35,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:40:35,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:40:35,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:40:35,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:40:35,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:40:35,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:40:35,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:40:35,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:40:35,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:40:35,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:40:35,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:40:35,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:40:35,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:40:35,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:40:35,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:40:35,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:40:35,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:40:35,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:40:35,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:40:35,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:40:35,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:40:35,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:40:35,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:40:35,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:40:35,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:40:35,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:40:35,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:40:35,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:40:35,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:40:35,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:40:35,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:40:35,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:40:35,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:40:35,439 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:40:35,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:40:35,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:40:35,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:40:35,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:40:35,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:40:35,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:40:35,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:40:35,443 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:40:35,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:40:35,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:40:35,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:40:35,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:40:35,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:40:35,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:40:35,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:40:35,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:40:35,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:40:35,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:40:35,446 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:40:35,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:40:35,446 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:40:35,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:40:35,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:40:35,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:40:35,448 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_7a0013f5-1285-4c87-9408-ff30d4262d04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-11-20 11:40:35,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:40:35,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:40:36,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:40:36,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:40:36,003 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:40:36,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-20 11:40:39,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:40:40,123 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:40:40,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-20 11:40:40,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/00d2e2b3c/630fd754c2a34ed3a36daf7f3c8a859b/FLAG403b89fbf [2022-11-20 11:40:40,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/data/00d2e2b3c/630fd754c2a34ed3a36daf7f3c8a859b [2022-11-20 11:40:40,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:40:40,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:40:40,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:40:40,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:40:40,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:40:40,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:40" (1/1) ... [2022-11-20 11:40:40,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325cd1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:40, skipping insertion in model container [2022-11-20 11:40:40,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:40" (1/1) ... [2022-11-20 11:40:40,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:40:40,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:40:45,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-11-20 11:40:45,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-11-20 11:40:45,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:40:45,674 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:40:45,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:40:46,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-11-20 11:40:46,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-11-20 11:40:46,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:40:46,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:40:47,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-11-20 11:40:47,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-11-20 11:40:47,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:40:47,621 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:40:47,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47 WrapperNode [2022-11-20 11:40:47,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:40:47,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:40:47,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:40:47,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:40:47,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:47,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,184 INFO L138 Inliner]: procedures = 600, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 11820 [2022-11-20 11:40:48,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:40:48,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:40:48,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:40:48,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:40:48,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:40:48,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:40:48,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:40:48,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:40:48,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (1/1) ... [2022-11-20 11:40:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:40:48,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:40:48,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:40:48,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:40:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 11:40:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 11:40:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:40:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:40:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:40:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:40:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-11-20 11:40:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-11-20 11:40:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:40:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:40:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-11-20 11:40:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-11-20 11:40:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 11:40:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 11:40:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 11:40:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 11:40:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 11:40:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 11:40:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:40:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:40:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-11-20 11:40:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-11-20 11:40:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-11-20 11:40:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-11-20 11:40:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-11-20 11:40:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-11-20 11:40:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-11-20 11:40:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-11-20 11:40:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 11:40:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 11:40:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-11-20 11:40:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-11-20 11:40:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:40:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:40:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-11-20 11:40:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-11-20 11:40:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:40:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:40:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:40:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:40:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 11:40:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 11:40:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 11:40:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 11:40:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-11-20 11:40:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-11-20 11:40:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:40:48,953 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:40:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:40:48,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:40:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:40:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:40:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:40:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:40:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:40:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:40:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-11-20 11:40:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-11-20 11:40:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:40:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:40:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-11-20 11:40:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-11-20 11:40:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:40:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:40:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-11-20 11:40:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-11-20 11:40:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-11-20 11:40:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-11-20 11:40:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:40:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:40:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-11-20 11:40:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-11-20 11:40:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:40:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:40:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-11-20 11:40:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-11-20 11:40:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-11-20 11:40:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-11-20 11:40:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:40:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:40:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-11-20 11:40:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-11-20 11:40:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:40:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:40:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:40:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:40:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:40:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:40:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 11:40:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 11:40:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 11:40:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 11:40:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 11:40:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 11:40:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:40:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:40:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:40:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:40:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-11-20 11:40:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-11-20 11:40:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 11:40:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 11:40:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:40:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:40:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-11-20 11:40:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-11-20 11:40:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-11-20 11:40:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-11-20 11:40:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-11-20 11:40:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-11-20 11:40:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:40:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 11:40:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 11:40:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 11:40:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 11:40:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 11:40:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 11:40:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 11:40:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 11:40:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:40:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 11:40:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 11:40:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:40:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:40:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:40:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:40:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:40:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:40:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:40:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:40:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:40:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:40:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-11-20 11:40:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-11-20 11:40:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-11-20 11:40:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-11-20 11:40:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:40:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:40:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 11:40:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 11:40:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-11-20 11:40:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-11-20 11:40:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 11:40:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 11:40:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-11-20 11:40:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-11-20 11:40:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:40:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:40:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-11-20 11:40:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-11-20 11:40:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-11-20 11:40:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-11-20 11:40:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 11:40:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 11:40:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:40:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:40:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 11:40:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 11:40:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-11-20 11:40:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-11-20 11:40:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-11-20 11:40:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-11-20 11:40:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-11-20 11:40:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-11-20 11:40:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:40:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:40:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:40:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:40:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:40:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-11-20 11:40:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-11-20 11:40:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:40:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:40:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 11:40:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 11:40:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:40:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 11:40:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 11:40:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:40:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:40:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:40:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:40:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:40:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:40:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:40:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:40:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:40:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 11:40:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 11:40:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-11-20 11:40:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-11-20 11:40:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 11:40:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 11:40:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-11-20 11:40:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-11-20 11:40:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 11:40:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 11:40:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:40:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:40:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:40:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:40:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-20 11:40:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-20 11:40:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-11-20 11:40:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-11-20 11:40:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 11:40:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 11:40:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 11:40:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 11:40:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 11:40:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 11:40:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 11:40:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 11:40:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:40:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 11:40:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 11:40:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 11:40:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 11:40:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:40:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:40:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:40:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:40:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-20 11:40:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-20 11:40:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:40:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:40:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 11:40:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 11:40:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 11:40:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 11:40:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:40:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:40:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:40:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:40:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-11-20 11:40:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-11-20 11:40:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-11-20 11:40:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-11-20 11:40:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 11:40:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 11:40:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-20 11:40:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-20 11:40:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 11:40:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 11:40:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:40:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:40:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 11:40:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 11:40:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:40:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:40:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:40:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:40:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-11-20 11:40:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-11-20 11:40:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 11:40:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 11:40:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:40:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:40:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-11-20 11:40:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-11-20 11:40:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:40:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:40:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:40:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:40:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:40:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:40:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-11-20 11:40:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-11-20 11:40:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 11:40:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 11:40:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-11-20 11:40:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-11-20 11:40:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 11:40:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 11:40:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 11:40:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 11:40:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-11-20 11:40:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-11-20 11:40:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-20 11:40:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-20 11:40:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 11:40:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 11:40:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-11-20 11:40:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-11-20 11:40:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-11-20 11:40:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-11-20 11:40:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-11-20 11:40:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-11-20 11:40:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-11-20 11:40:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-11-20 11:40:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-11-20 11:40:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-11-20 11:40:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:40:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:40:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 11:40:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 11:40:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 11:40:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 11:40:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:40:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:40:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:40:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:40:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 11:40:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-11-20 11:40:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-11-20 11:40:50,527 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:40:50,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:40:52,304 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:43:30,381 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 11:43:35,467 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:43:35,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:43:35,492 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:43:35,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:35 BoogieIcfgContainer [2022-11-20 11:43:35,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:43:35,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:43:35,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:43:35,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:43:35,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:40:40" (1/3) ... [2022-11-20 11:43:35,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2840e95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:35, skipping insertion in model container [2022-11-20 11:43:35,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:47" (2/3) ... [2022-11-20 11:43:35,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2840e95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:35, skipping insertion in model container [2022-11-20 11:43:35,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:35" (3/3) ... [2022-11-20 11:43:35,506 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-20 11:43:35,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:43:35,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 11:43:35,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:43:35,649 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;@2fc826d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:43:35,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 11:43:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 3327 states, 2242 states have (on average 1.263157894736842) internal successors, (2832), 2277 states have internal predecessors, (2832), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2022-11-20 11:43:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-20 11:43:35,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:35,695 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:35,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:35,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:35,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1425080050, now seen corresponding path program 1 times [2022-11-20 11:43:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:35,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825161795] [2022-11-20 11:43:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:35,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:35,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:43:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:40,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 4540 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:43:40,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 11:43:40,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:43:40,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:43:40,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825161795] [2022-11-20 11:43:40,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825161795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:40,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:40,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:43:40,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806379418] [2022-11-20 11:43:40,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:40,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:43:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:43:40,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:43:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:40,982 INFO L87 Difference]: Start difference. First operand has 3327 states, 2242 states have (on average 1.263157894736842) internal successors, (2832), 2277 states have internal predecessors, (2832), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 11:43:42,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:42,628 INFO L93 Difference]: Finished difference Result 9360 states and 13446 transitions. [2022-11-20 11:43:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:43:42,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2022-11-20 11:43:42,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:42,709 INFO L225 Difference]: With dead ends: 9360 [2022-11-20 11:43:42,710 INFO L226 Difference]: Without dead ends: 5978 [2022-11-20 11:43:42,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:42,767 INFO L413 NwaCegarLoop]: 5581 mSDtfsCounter, 3862 mSDsluCounter, 4624 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 10205 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:42,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 10205 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 11:43:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5978 states. [2022-11-20 11:43:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5978 to 5973. [2022-11-20 11:43:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5973 states, 4037 states have (on average 1.246965568491454) internal successors, (5034), 4094 states have internal predecessors, (5034), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2022-11-20 11:43:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5973 states to 5973 states and 8408 transitions. [2022-11-20 11:43:43,532 INFO L78 Accepts]: Start accepts. Automaton has 5973 states and 8408 transitions. Word has length 222 [2022-11-20 11:43:43,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:43,540 INFO L495 AbstractCegarLoop]: Abstraction has 5973 states and 8408 transitions. [2022-11-20 11:43:43,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 11:43:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5973 states and 8408 transitions. [2022-11-20 11:43:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-20 11:43:43,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:43,560 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2022-11-20 11:43:43,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:43,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:43,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash 823676199, now seen corresponding path program 1 times [2022-11-20 11:43:43,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:43,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108025170] [2022-11-20 11:43:43,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:43,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:43,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:43,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:43,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:43:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:48,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:43:48,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-11-20 11:43:48,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:43:48,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:43:48,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108025170] [2022-11-20 11:43:48,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108025170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:48,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:48,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:43:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142787739] [2022-11-20 11:43:48,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:48,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:43:48,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:43:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:43:48,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:48,979 INFO L87 Difference]: Start difference. First operand 5973 states and 8408 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 11:43:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:50,725 INFO L93 Difference]: Finished difference Result 14733 states and 20671 transitions. [2022-11-20 11:43:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:43:50,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 243 [2022-11-20 11:43:50,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:50,806 INFO L225 Difference]: With dead ends: 14733 [2022-11-20 11:43:50,806 INFO L226 Difference]: Without dead ends: 8797 [2022-11-20 11:43:50,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:50,853 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 3308 mSDsluCounter, 4484 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:50,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 9770 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 11:43:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8797 states. [2022-11-20 11:43:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8797 to 8791. [2022-11-20 11:43:51,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8791 states, 5923 states have (on average 1.2424447070741178) internal successors, (7359), 6008 states have internal predecessors, (7359), 2471 states have call successors, (2471), 396 states have call predecessors, (2471), 395 states have return successors, (2472), 2443 states have call predecessors, (2472), 2471 states have call successors, (2472) [2022-11-20 11:43:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8791 states to 8791 states and 12302 transitions. [2022-11-20 11:43:51,718 INFO L78 Accepts]: Start accepts. Automaton has 8791 states and 12302 transitions. Word has length 243 [2022-11-20 11:43:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:51,719 INFO L495 AbstractCegarLoop]: Abstraction has 8791 states and 12302 transitions. [2022-11-20 11:43:51,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 11:43:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 8791 states and 12302 transitions. [2022-11-20 11:43:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 11:43:51,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:51,728 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:51,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:51,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:51,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:51,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:51,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2094792174, now seen corresponding path program 1 times [2022-11-20 11:43:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:51,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752366141] [2022-11-20 11:43:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:51,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:51,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:51,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:43:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:57,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 4678 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:43:57,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-11-20 11:43:58,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:43:58,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:43:58,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752366141] [2022-11-20 11:43:58,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752366141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:58,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:58,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:43:58,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055515350] [2022-11-20 11:43:58,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:58,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:43:58,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:43:58,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:43:58,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:58,015 INFO L87 Difference]: Start difference. First operand 8791 states and 12302 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:43:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:59,819 INFO L93 Difference]: Finished difference Result 20705 states and 28985 transitions. [2022-11-20 11:43:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:43:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-11-20 11:43:59,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:59,956 INFO L225 Difference]: With dead ends: 20705 [2022-11-20 11:43:59,956 INFO L226 Difference]: Without dead ends: 11951 [2022-11-20 11:44:00,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:00,019 INFO L413 NwaCegarLoop]: 8383 mSDtfsCounter, 3770 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3770 SdHoareTripleChecker+Valid, 12924 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:00,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3770 Valid, 12924 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:44:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11951 states. [2022-11-20 11:44:01,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11951 to 11945. [2022-11-20 11:44:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 8041 states have (on average 1.239771172739709) internal successors, (9969), 8155 states have internal predecessors, (9969), 3366 states have call successors, (3366), 537 states have call predecessors, (3366), 536 states have return successors, (3367), 3330 states have call predecessors, (3367), 3366 states have call successors, (3367) [2022-11-20 11:44:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 16702 transitions. [2022-11-20 11:44:01,155 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 16702 transitions. Word has length 282 [2022-11-20 11:44:01,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:01,156 INFO L495 AbstractCegarLoop]: Abstraction has 11945 states and 16702 transitions. [2022-11-20 11:44:01,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:44:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 16702 transitions. [2022-11-20 11:44:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-20 11:44:01,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:01,174 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:01,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:01,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:01,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:01,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:01,391 INFO L85 PathProgramCache]: Analyzing trace with hash -137865700, now seen corresponding path program 1 times [2022-11-20 11:44:01,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:01,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310918633] [2022-11-20 11:44:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:01,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:01,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:01,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:01,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:44:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:07,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:07,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-11-20 11:44:07,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:07,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:07,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310918633] [2022-11-20 11:44:07,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310918633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:07,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:07,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279290875] [2022-11-20 11:44:07,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:07,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:07,386 INFO L87 Difference]: Start difference. First operand 11945 states and 16702 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 11:44:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:09,237 INFO L93 Difference]: Finished difference Result 26999 states and 37761 transitions. [2022-11-20 11:44:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:09,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-11-20 11:44:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:09,353 INFO L225 Difference]: With dead ends: 26999 [2022-11-20 11:44:09,353 INFO L226 Difference]: Without dead ends: 15091 [2022-11-20 11:44:09,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:09,421 INFO L413 NwaCegarLoop]: 8392 mSDtfsCounter, 3782 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 12940 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:09,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3782 Valid, 12940 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 11:44:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15091 states. [2022-11-20 11:44:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15091 to 15085. [2022-11-20 11:44:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15085 states, 10149 states have (on average 1.2384471376490294) internal successors, (12569), 10292 states have internal predecessors, (12569), 4258 states have call successors, (4258), 677 states have call predecessors, (4258), 676 states have return successors, (4259), 4214 states have call predecessors, (4259), 4258 states have call successors, (4259) [2022-11-20 11:44:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15085 states to 15085 states and 21086 transitions. [2022-11-20 11:44:11,333 INFO L78 Accepts]: Start accepts. Automaton has 15085 states and 21086 transitions. Word has length 356 [2022-11-20 11:44:11,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:11,339 INFO L495 AbstractCegarLoop]: Abstraction has 15085 states and 21086 transitions. [2022-11-20 11:44:11,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 11:44:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 15085 states and 21086 transitions. [2022-11-20 11:44:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-20 11:44:11,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:11,351 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:11,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:11,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:11,570 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:11,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1035258978, now seen corresponding path program 1 times [2022-11-20 11:44:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:11,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062813907] [2022-11-20 11:44:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:11,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:11,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:11,583 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:44:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:16,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:16,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-11-20 11:44:17,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:17,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:17,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062813907] [2022-11-20 11:44:17,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062813907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:17,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:17,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:17,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448748908] [2022-11-20 11:44:17,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:17,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:17,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:17,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:17,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:17,113 INFO L87 Difference]: Start difference. First operand 15085 states and 21086 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 11:44:19,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:19,139 INFO L93 Difference]: Finished difference Result 34713 states and 48511 transitions. [2022-11-20 11:44:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2022-11-20 11:44:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:19,279 INFO L225 Difference]: With dead ends: 34713 [2022-11-20 11:44:19,279 INFO L226 Difference]: Without dead ends: 19665 [2022-11-20 11:44:19,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:19,363 INFO L413 NwaCegarLoop]: 8256 mSDtfsCounter, 4180 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 12466 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:19,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4180 Valid, 12466 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:44:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19665 states. [2022-11-20 11:44:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19665 to 19659. [2022-11-20 11:44:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19659 states, 13205 states have (on average 1.2368799697084438) internal successors, (16333), 13385 states have internal predecessors, (16333), 5556 states have call successors, (5556), 897 states have call predecessors, (5556), 896 states have return successors, (5557), 5504 states have call predecessors, (5557), 5556 states have call successors, (5557) [2022-11-20 11:44:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19659 states to 19659 states and 27446 transitions. [2022-11-20 11:44:21,587 INFO L78 Accepts]: Start accepts. Automaton has 19659 states and 27446 transitions. Word has length 356 [2022-11-20 11:44:21,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:21,588 INFO L495 AbstractCegarLoop]: Abstraction has 19659 states and 27446 transitions. [2022-11-20 11:44:21,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 11:44:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19659 states and 27446 transitions. [2022-11-20 11:44:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-20 11:44:21,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:21,605 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:21,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:21,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:21,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:21,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1718274190, now seen corresponding path program 1 times [2022-11-20 11:44:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:21,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255956192] [2022-11-20 11:44:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:21,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:21,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:21,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:21,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:44:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:27,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:27,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-11-20 11:44:27,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:27,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:27,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255956192] [2022-11-20 11:44:27,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1255956192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:27,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:27,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:27,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621190681] [2022-11-20 11:44:27,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:27,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:27,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:27,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:27,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:27,727 INFO L87 Difference]: Start difference. First operand 19659 states and 27446 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 11:44:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:29,764 INFO L93 Difference]: Finished difference Result 42426 states and 59251 transitions. [2022-11-20 11:44:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-11-20 11:44:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:29,926 INFO L225 Difference]: With dead ends: 42426 [2022-11-20 11:44:29,926 INFO L226 Difference]: Without dead ends: 22804 [2022-11-20 11:44:30,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:30,024 INFO L413 NwaCegarLoop]: 7428 mSDtfsCounter, 3784 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3784 SdHoareTripleChecker+Valid, 11975 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:30,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3784 Valid, 11975 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:44:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22804 states. [2022-11-20 11:44:32,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22804 to 22798. [2022-11-20 11:44:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22798 states, 15313 states have (on average 1.2364004440671326) internal successors, (18933), 15522 states have internal predecessors, (18933), 6448 states have call successors, (6448), 1036 states have call predecessors, (6448), 1035 states have return successors, (6449), 6388 states have call predecessors, (6449), 6448 states have call successors, (6449) [2022-11-20 11:44:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22798 states to 22798 states and 31830 transitions. [2022-11-20 11:44:32,617 INFO L78 Accepts]: Start accepts. Automaton has 22798 states and 31830 transitions. Word has length 414 [2022-11-20 11:44:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:32,620 INFO L495 AbstractCegarLoop]: Abstraction has 22798 states and 31830 transitions. [2022-11-20 11:44:32,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 11:44:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 22798 states and 31830 transitions. [2022-11-20 11:44:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-20 11:44:32,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:32,637 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:32,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:32,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:32,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:32,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:32,852 INFO L85 PathProgramCache]: Analyzing trace with hash 820880912, now seen corresponding path program 1 times [2022-11-20 11:44:32,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:32,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800269293] [2022-11-20 11:44:32,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:32,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:32,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:32,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:32,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:44:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:38,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:38,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-11-20 11:44:38,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:38,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:38,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800269293] [2022-11-20 11:44:38,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800269293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:38,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:38,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:38,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053033723] [2022-11-20 11:44:38,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:38,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:38,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:38,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:38,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:38,330 INFO L87 Difference]: Start difference. First operand 22798 states and 31830 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 11:44:40,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:40,243 INFO L93 Difference]: Finished difference Result 48736 states and 68061 transitions. [2022-11-20 11:44:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:40,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2022-11-20 11:44:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:40,404 INFO L225 Difference]: With dead ends: 48736 [2022-11-20 11:44:40,404 INFO L226 Difference]: Without dead ends: 25975 [2022-11-20 11:44:40,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:40,500 INFO L413 NwaCegarLoop]: 8322 mSDtfsCounter, 3803 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 12870 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:40,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3803 Valid, 12870 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:44:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25975 states. [2022-11-20 11:44:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25975 to 25969. [2022-11-20 11:44:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25969 states, 17449 states have (on average 1.2361166829044645) internal successors, (21569), 17687 states have internal predecessors, (21569), 7342 states have call successors, (7342), 1177 states have call predecessors, (7342), 1176 states have return successors, (7343), 7274 states have call predecessors, (7343), 7342 states have call successors, (7343) [2022-11-20 11:44:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25969 states to 25969 states and 36254 transitions. [2022-11-20 11:44:43,013 INFO L78 Accepts]: Start accepts. Automaton has 25969 states and 36254 transitions. Word has length 414 [2022-11-20 11:44:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:43,014 INFO L495 AbstractCegarLoop]: Abstraction has 25969 states and 36254 transitions. [2022-11-20 11:44:43,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 11:44:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 25969 states and 36254 transitions. [2022-11-20 11:44:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-20 11:44:43,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:43,036 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 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, 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] [2022-11-20 11:44:43,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -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 11:44:43,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:43,259 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:43,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:43,260 INFO L85 PathProgramCache]: Analyzing trace with hash 889419276, now seen corresponding path program 1 times [2022-11-20 11:44:43,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:43,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150015943] [2022-11-20 11:44:43,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:43,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:43,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:43,535 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:43,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:44:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:49,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 5007 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 11:44:49,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-11-20 11:44:50,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:50,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:50,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150015943] [2022-11-20 11:44:50,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150015943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:50,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:50,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 11:44:50,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15059226] [2022-11-20 11:44:50,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:50,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:44:50,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:50,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:44:50,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:44:50,818 INFO L87 Difference]: Start difference. First operand 25969 states and 36254 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-11-20 11:45:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:40,535 INFO L93 Difference]: Finished difference Result 76963 states and 107833 transitions. [2022-11-20 11:45:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 11:45:40,536 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) Word has length 455 [2022-11-20 11:45:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:40,845 INFO L225 Difference]: With dead ends: 76963 [2022-11-20 11:45:40,845 INFO L226 Difference]: Without dead ends: 51001 [2022-11-20 11:45:41,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-11-20 11:45:41,097 INFO L413 NwaCegarLoop]: 9047 mSDtfsCounter, 7902 mSDsluCounter, 78652 mSDsCounter, 0 mSdLazyCounter, 6195 mSolverCounterSat, 1108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7934 SdHoareTripleChecker+Valid, 87699 SdHoareTripleChecker+Invalid, 7303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1108 IncrementalHoareTripleChecker+Valid, 6195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:41,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7934 Valid, 87699 Invalid, 7303 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1108 Valid, 6195 Invalid, 0 Unknown, 0 Unchecked, 45.1s Time] [2022-11-20 11:45:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51001 states. [2022-11-20 11:45:45,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51001 to 46702. [2022-11-20 11:45:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46702 states, 31394 states have (on average 1.236127922532968) internal successors, (38807), 31820 states have internal predecessors, (38807), 13209 states have call successors, (13209), 2098 states have call predecessors, (13209), 2097 states have return successors, (13210), 13088 states have call predecessors, (13210), 13209 states have call successors, (13210) [2022-11-20 11:45:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46702 states to 46702 states and 65226 transitions. [2022-11-20 11:45:45,754 INFO L78 Accepts]: Start accepts. Automaton has 46702 states and 65226 transitions. Word has length 455 [2022-11-20 11:45:45,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:45,755 INFO L495 AbstractCegarLoop]: Abstraction has 46702 states and 65226 transitions. [2022-11-20 11:45:45,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-11-20 11:45:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 46702 states and 65226 transitions. [2022-11-20 11:45:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-11-20 11:45:45,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:45,786 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 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, 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] [2022-11-20 11:45:45,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:45:46,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:46,012 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash 979902063, now seen corresponding path program 1 times [2022-11-20 11:45:46,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:45:46,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184324198] [2022-11-20 11:45:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:46,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:46,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:45:46,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:45:46,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 11:45:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:51,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 5053 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:45:51,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2022-11-20 11:45:52,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:45:52,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:45:52,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184324198] [2022-11-20 11:45:52,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184324198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:52,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:52,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:45:52,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651251150] [2022-11-20 11:45:52,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:52,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:45:52,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:45:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:45:52,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:45:52,113 INFO L87 Difference]: Start difference. First operand 46702 states and 65226 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:45:55,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:45:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:58,603 INFO L93 Difference]: Finished difference Result 104157 states and 146531 transitions. [2022-11-20 11:45:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:45:58,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 472 [2022-11-20 11:45:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:59,255 INFO L225 Difference]: With dead ends: 104157 [2022-11-20 11:45:59,255 INFO L226 Difference]: Without dead ends: 57492 [2022-11-20 11:45:59,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:45:59,445 INFO L413 NwaCegarLoop]: 5085 mSDtfsCounter, 877 mSDsluCounter, 19862 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 24947 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:59,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 24947 Invalid, 48 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 11:45:59,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57492 states. [2022-11-20 11:46:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57492 to 46722. [2022-11-20 11:46:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46722 states, 31410 states have (on average 1.236007640878701) internal successors, (38823), 31836 states have internal predecessors, (38823), 13209 states have call successors, (13209), 2098 states have call predecessors, (13209), 2101 states have return successors, (13218), 13092 states have call predecessors, (13218), 13209 states have call successors, (13218) [2022-11-20 11:46:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46722 states to 46722 states and 65250 transitions. [2022-11-20 11:46:04,911 INFO L78 Accepts]: Start accepts. Automaton has 46722 states and 65250 transitions. Word has length 472 [2022-11-20 11:46:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:04,912 INFO L495 AbstractCegarLoop]: Abstraction has 46722 states and 65250 transitions. [2022-11-20 11:46:04,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:46:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 46722 states and 65250 transitions. [2022-11-20 11:46:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-20 11:46:04,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:04,936 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 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, 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] [2022-11-20 11:46:05,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:46:05,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:05,163 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:46:05,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash -579067447, now seen corresponding path program 1 times [2022-11-20 11:46:05,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:46:05,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180003755] [2022-11-20 11:46:05,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:46:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:46:05,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:46:05,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 11:46:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:46:11,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 5069 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 11:46:11,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:46:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2022-11-20 11:46:12,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:46:12,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:46:12,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180003755] [2022-11-20 11:46:12,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180003755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:46:12,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:46:12,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 11:46:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904016693] [2022-11-20 11:46:12,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:46:12,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:46:12,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:46:12,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:46:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:46:12,819 INFO L87 Difference]: Start difference. First operand 46722 states and 65250 transitions. Second operand has 13 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 6 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-20 11:46:26,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:46:29,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:47:07,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:47:07,726 INFO L93 Difference]: Finished difference Result 115348 states and 161465 transitions. [2022-11-20 11:47:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 11:47:07,727 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 6 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) Word has length 475 [2022-11-20 11:47:07,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:47:08,091 INFO L225 Difference]: With dead ends: 115348 [2022-11-20 11:47:08,092 INFO L226 Difference]: Without dead ends: 68633 [2022-11-20 11:47:08,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2022-11-20 11:47:08,315 INFO L413 NwaCegarLoop]: 5902 mSDtfsCounter, 9282 mSDsluCounter, 59225 mSDsCounter, 0 mSdLazyCounter, 5896 mSolverCounterSat, 1593 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9319 SdHoareTripleChecker+Valid, 65127 SdHoareTripleChecker+Invalid, 7491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 5896 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:47:08,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9319 Valid, 65127 Invalid, 7491 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1593 Valid, 5896 Invalid, 2 Unknown, 0 Unchecked, 47.8s Time] [2022-11-20 11:47:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68633 states. [2022-11-20 11:47:12,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68633 to 46722. [2022-11-20 11:47:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46722 states, 31410 states have (on average 1.236007640878701) internal successors, (38823), 31836 states have internal predecessors, (38823), 13209 states have call successors, (13209), 2098 states have call predecessors, (13209), 2101 states have return successors, (13218), 13092 states have call predecessors, (13218), 13209 states have call successors, (13218) [2022-11-20 11:47:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46722 states to 46722 states and 65250 transitions. [2022-11-20 11:47:13,057 INFO L78 Accepts]: Start accepts. Automaton has 46722 states and 65250 transitions. Word has length 475 [2022-11-20 11:47:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:47:13,058 INFO L495 AbstractCegarLoop]: Abstraction has 46722 states and 65250 transitions. [2022-11-20 11:47:13,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 6 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-20 11:47:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 46722 states and 65250 transitions. [2022-11-20 11:47:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-11-20 11:47:13,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:47:13,077 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 18, 18, 18, 18, 18, 18, 13, 13, 13, 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] [2022-11-20 11:47:13,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:47:13,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:47:13,291 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:47:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:47:13,292 INFO L85 PathProgramCache]: Analyzing trace with hash 168025337, now seen corresponding path program 1 times [2022-11-20 11:47:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:47:13,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982492423] [2022-11-20 11:47:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:47:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:47:13,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:47:13,305 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:47:13,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0013f5-1285-4c87-9408-ff30d4262d04/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 11:47:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:47:52,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 21091 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:47:52,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:47:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2022-11-20 11:47:52,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:47:52,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:47:52,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982492423] [2022-11-20 11:47:52,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982492423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:47:52,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:47:52,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:47:52,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52770910] [2022-11-20 11:47:52,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:47:52,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:47:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:47:52,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:47:52,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:47:52,469 INFO L87 Difference]: Start difference. First operand 46722 states and 65250 transitions. Second operand has 5 states, 5 states have (on average 44.8) internal successors, (224), 5 states have internal predecessors, (224), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-20 11:47:55,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []