./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8 --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 aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 --- 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-2329fc7 [2022-12-13 21:29:46,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:29:46,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:29:46,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:29:46,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:29:46,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:29:46,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:29:46,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:29:46,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:29:46,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:29:46,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:29:46,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:29:46,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:29:46,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:29:46,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:29:46,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:29:46,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:29:46,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:29:46,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:29:46,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:29:46,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:29:46,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:29:46,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:29:46,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:29:46,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:29:46,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:29:46,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:29:46,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:29:46,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:29:46,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:29:46,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:29:46,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:29:46,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:29:46,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:29:46,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:29:46,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:29:46,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:29:46,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:29:46,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:29:46,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:29:46,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:29:46,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:29:46,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:29:46,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:29:46,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:29:46,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:29:46,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:29:46,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:29:46,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:29:46,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:29:46,731 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:29:46,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:29:46,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:29:46,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:29:46,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:29:46,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:29:46,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:29:46,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:29:46,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:29:46,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:29:46,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:29:46,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:29:46,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:29:46,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:29:46,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:29:46,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:29:46,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:29:46,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:29:46,735 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:29:46,736 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 [2022-12-13 21:29:46,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:29:46,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:29:46,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:29:46,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:29:46,931 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:29:46,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 21:29:49,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:29:49,751 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:29:49,752 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 21:29:49,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/data/0a37a6d3f/1c262942806b4d1caeae09f53777585f/FLAG2d31359e2 [2022-12-13 21:29:50,059 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/data/0a37a6d3f/1c262942806b4d1caeae09f53777585f [2022-12-13 21:29:50,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:29:50,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:29:50,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:29:50,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:29:50,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:29:50,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:29:50" (1/1) ... [2022-12-13 21:29:50,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6492bd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:50, skipping insertion in model container [2022-12-13 21:29:50,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:29:50" (1/1) ... [2022-12-13 21:29:50,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:29:50,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:29:50,535 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-13 21:29:50,564 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 21:29:50,575 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 21:29:50,578 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 21:29:50,595 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 21:29:50,713 WARN L623 FunctionHandler]: Unknown extern function ipmi_create_user [2022-12-13 21:29:50,714 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,717 WARN L623 FunctionHandler]: Unknown extern function ipmi_validate_addr [2022-12-13 21:29:50,718 WARN L623 FunctionHandler]: Unknown extern function ipmi_request_settime [2022-12-13 21:29:50,718 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,723 WARN L623 FunctionHandler]: Unknown extern function ipmi_free_recv_msg [2022-12-13 21:29:50,725 WARN L623 FunctionHandler]: Unknown extern function ipmi_free_recv_msg [2022-12-13 21:29:50,726 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 21:29:50,728 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-12-13 21:29:50,729 WARN L623 FunctionHandler]: Unknown extern function idr_get_new [2022-12-13 21:29:50,733 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 21:29:50,738 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:50,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,740 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:50,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,747 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:50,748 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,749 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:50,751 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,753 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 21:29:50,753 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:50,754 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:50,754 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:50,755 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:50,755 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,758 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:50,759 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:50,762 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:29:50,764 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 21:29:50,765 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 21:29:50,765 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:50,766 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 21:29:50,767 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,768 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:29:50,768 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:50,769 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:50,769 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:50,769 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:50,770 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,771 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,774 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:50,775 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:50,779 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:29:50,780 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 21:29:50,781 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 21:29:50,782 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:50,783 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 21:29:50,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,784 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:29:50,785 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:50,785 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:50,786 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:50,786 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:50,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,787 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,788 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,789 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:50,793 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,793 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,797 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,798 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,802 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,802 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:50,802 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 21:29:50,803 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:29:50,803 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:29:50,804 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,804 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 21:29:50,804 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,805 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,808 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,809 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:50,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,809 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,812 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,815 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,818 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,819 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:50,819 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:50,827 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,828 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,831 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:50,831 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:50,833 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:50,833 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:50,834 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:50,839 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 21:29:50,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:29:50,840 WARN L623 FunctionHandler]: Unknown extern function ipmi_smi_watcher_register [2022-12-13 21:29:50,840 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 21:29:50,842 WARN L623 FunctionHandler]: Unknown extern function ipmi_smi_watcher_unregister [2022-12-13 21:29:50,843 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 21:29:50,853 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 21:29:50,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-12-13 21:29:50,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:29:50,899 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:29:50,946 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-13 21:29:50,947 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 21:29:50,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 21:29:50,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 21:29:50,950 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 21:29:50,956 WARN L623 FunctionHandler]: Unknown extern function ipmi_create_user [2022-12-13 21:29:50,956 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,957 WARN L623 FunctionHandler]: Unknown extern function ipmi_validate_addr [2022-12-13 21:29:50,958 WARN L623 FunctionHandler]: Unknown extern function ipmi_request_settime [2022-12-13 21:29:50,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,979 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:50,980 WARN L623 FunctionHandler]: Unknown extern function ipmi_free_recv_msg [2022-12-13 21:29:50,982 WARN L623 FunctionHandler]: Unknown extern function ipmi_free_recv_msg [2022-12-13 21:29:50,982 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 21:29:50,982 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-12-13 21:29:50,983 WARN L623 FunctionHandler]: Unknown extern function idr_get_new [2022-12-13 21:29:50,984 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 21:29:50,987 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:50,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:50,988 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:50,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:51,004 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:51,005 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,005 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:51,006 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,007 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 21:29:51,007 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:51,007 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:51,007 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:51,008 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:51,008 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:51,009 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:51,010 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:51,011 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:29:51,012 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 21:29:51,013 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 21:29:51,013 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:51,014 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 21:29:51,014 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:51,016 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:29:51,017 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:51,017 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:51,017 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:51,017 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:51,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:51,019 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:51,020 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 21:29:51,021 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 21:29:51,022 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:29:51,023 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 21:29:51,024 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 21:29:51,024 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:51,025 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_register [2022-12-13 21:29:51,025 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:51,027 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:29:51,028 WARN L623 FunctionHandler]: Unknown extern function hwmon_device_unregister [2022-12-13 21:29:51,028 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:51,028 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 21:29:51,029 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 21:29:51,029 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:29:51,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:51,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:29:51,032 WARN L623 FunctionHandler]: Unknown extern function ipmi_destroy_user [2022-12-13 21:29:51,033 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,033 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,035 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,035 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,037 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,037 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:51,038 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 21:29:51,038 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:29:51,038 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:29:51,039 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,039 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 21:29:51,039 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,040 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,041 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,041 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:51,041 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,042 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,042 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,044 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,045 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:29:51,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:29:51,051 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,053 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,054 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 21:29:51,055 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 21:29:51,056 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:51,056 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:51,057 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-13 21:29:51,059 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 21:29:51,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:29:51,060 WARN L623 FunctionHandler]: Unknown extern function ipmi_smi_watcher_register [2022-12-13 21:29:51,061 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 21:29:51,061 WARN L623 FunctionHandler]: Unknown extern function ipmi_smi_watcher_unregister [2022-12-13 21:29:51,061 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 21:29:51,065 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 21:29:51,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-12-13 21:29:51,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:29:51,103 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:29:51,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51 WrapperNode [2022-12-13 21:29:51,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:29:51,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:29:51,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:29:51,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:29:51,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,189 INFO L138 Inliner]: procedures = 150, calls = 824, calls flagged for inlining = 62, calls inlined = 44, statements flattened = 1713 [2022-12-13 21:29:51,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:29:51,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:29:51,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:29:51,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:29:51,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:29:51,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:29:51,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:29:51,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:29:51,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (1/1) ... [2022-12-13 21:29:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:29:51,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:29:51,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:29:51,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-13 21:29:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2022-12-13 21:29:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:29:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 21:29:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:29:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 21:29:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2022-12-13 21:29:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2022-12-13 21:29:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 21:29:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2022-12-13 21:29:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 21:29:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 21:29:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-12-13 21:29:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-12-13 21:29:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2022-12-13 21:29:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2022-12-13 21:29:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2022-12-13 21:29:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2022-12-13 21:29:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-12-13 21:29:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-12-13 21:29:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2022-12-13 21:29:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2022-12-13 21:29:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-13 21:29:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2022-12-13 21:29:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-12-13 21:29:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 21:29:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 21:29:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 21:29:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 21:29:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-12-13 21:29:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-12-13 21:29:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-12-13 21:29:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:29:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:29:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2022-12-13 21:29:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2022-12-13 21:29:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2022-12-13 21:29:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2022-12-13 21:29:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 21:29:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 21:29:51,607 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:29:51,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:29:51,675 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:29:53,275 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:29:53,282 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:29:53,283 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:29:53,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:29:53 BoogieIcfgContainer [2022-12-13 21:29:53,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:29:53,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:29:53,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:29:53,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:29:53,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:29:50" (1/3) ... [2022-12-13 21:29:53,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3991df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:29:53, skipping insertion in model container [2022-12-13 21:29:53,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:51" (2/3) ... [2022-12-13 21:29:53,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3991df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:29:53, skipping insertion in model container [2022-12-13 21:29:53,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:29:53" (3/3) ... [2022-12-13 21:29:53,290 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 21:29:53,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:29:53,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:29:53,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:29:53,351 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;@be7e6c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:29:53,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:29:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 333 states have (on average 1.2762762762762763) internal successors, (425), 342 states have internal predecessors, (425), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-12-13 21:29:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-12-13 21:29:53,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:29:53,373 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:29:53,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:29:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash -971476011, now seen corresponding path program 1 times [2022-12-13 21:29:53,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:53,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345537588] [2022-12-13 21:29:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:53,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:29:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:29:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:29:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:29:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:29:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:29:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:29:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:29:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:29:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:29:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:29:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:29:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:29:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:29:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 21:29:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 21:29:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 21:29:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:29:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:29:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 21:29:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 21:29:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 21:29:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 21:29:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 21:29:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:29:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2022-12-13 21:29:54,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:29:54,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345537588] [2022-12-13 21:29:54,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345537588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:29:54,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:29:54,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:29:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929172918] [2022-12-13 21:29:54,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:29:54,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:29:54,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:29:54,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:29:54,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:29:54,140 INFO L87 Difference]: Start difference. First operand has 472 states, 333 states have (on average 1.2762762762762763) internal successors, (425), 342 states have internal predecessors, (425), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:29:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:29:56,575 INFO L93 Difference]: Finished difference Result 979 states and 1330 transitions. [2022-12-13 21:29:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:29:56,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2022-12-13 21:29:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:29:56,586 INFO L225 Difference]: With dead ends: 979 [2022-12-13 21:29:56,586 INFO L226 Difference]: Without dead ends: 491 [2022-12-13 21:29:56,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:29:56,593 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 344 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:29:56,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1125 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 21:29:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-12-13 21:29:56,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 452. [2022-12-13 21:29:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 322 states have (on average 1.2515527950310559) internal successors, (403), 324 states have internal predecessors, (403), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-12-13 21:29:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 591 transitions. [2022-12-13 21:29:56,649 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 591 transitions. Word has length 296 [2022-12-13 21:29:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:29:56,649 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 591 transitions. [2022-12-13 21:29:56,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:29:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 591 transitions. [2022-12-13 21:29:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-13 21:29:56,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:29:56,661 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:29:56,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:29:56,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:29:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:56,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1305903964, now seen corresponding path program 1 times [2022-12-13 21:29:56,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:56,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858105100] [2022-12-13 21:29:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:29:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:29:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:29:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:29:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:29:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:29:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:29:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:29:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:29:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:29:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:29:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:29:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:29:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:29:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 21:29:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 21:29:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 21:29:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:29:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:29:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 21:29:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 21:29:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 21:29:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 21:29:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 21:29:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 21:29:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2022-12-13 21:29:57,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:29:57,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858105100] [2022-12-13 21:29:57,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858105100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:29:57,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:29:57,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:29:57,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909239218] [2022-12-13 21:29:57,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:29:57,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:29:57,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:29:57,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:29:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:29:57,095 INFO L87 Difference]: Start difference. First operand 452 states and 591 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:29:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:29:59,638 INFO L93 Difference]: Finished difference Result 983 states and 1287 transitions. [2022-12-13 21:29:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:29:59,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 294 [2022-12-13 21:29:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:29:59,641 INFO L225 Difference]: With dead ends: 983 [2022-12-13 21:29:59,641 INFO L226 Difference]: Without dead ends: 568 [2022-12-13 21:29:59,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:29:59,643 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 618 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:29:59,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1350 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 21:29:59,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-12-13 21:29:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 524. [2022-12-13 21:29:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 379 states have (on average 1.2612137203166227) internal successors, (478), 381 states have internal predecessors, (478), 102 states have call successors, (102), 42 states have call predecessors, (102), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-12-13 21:29:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 682 transitions. [2022-12-13 21:29:59,668 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 682 transitions. Word has length 294 [2022-12-13 21:29:59,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:29:59,669 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 682 transitions. [2022-12-13 21:29:59,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:29:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 682 transitions. [2022-12-13 21:29:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-12-13 21:29:59,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:29:59,674 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:29:59,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:29:59,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:29:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1377923056, now seen corresponding path program 1 times [2022-12-13 21:29:59,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:59,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894267863] [2022-12-13 21:29:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:29:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:29:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:29:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:29:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:29:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:29:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:29:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:29:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:29:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 21:30:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 21:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 21:30:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 21:30:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 21:30:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 21:30:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 21:30:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 21:30:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-12-13 21:30:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:00,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894267863] [2022-12-13 21:30:00,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894267863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:00,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:00,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:30:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591765939] [2022-12-13 21:30:00,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:00,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:30:00,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:00,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:30:00,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:30:00,148 INFO L87 Difference]: Start difference. First operand 524 states and 682 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:30:03,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:03,082 INFO L93 Difference]: Finished difference Result 1054 states and 1378 transitions. [2022-12-13 21:30:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:30:03,082 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 307 [2022-12-13 21:30:03,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:03,085 INFO L225 Difference]: With dead ends: 1054 [2022-12-13 21:30:03,085 INFO L226 Difference]: Without dead ends: 570 [2022-12-13 21:30:03,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:30:03,086 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 460 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:03,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1378 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 21:30:03,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-12-13 21:30:03,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 525. [2022-12-13 21:30:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 380 states have (on average 1.2605263157894737) internal successors, (479), 382 states have internal predecessors, (479), 102 states have call successors, (102), 42 states have call predecessors, (102), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-12-13 21:30:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 683 transitions. [2022-12-13 21:30:03,107 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 683 transitions. Word has length 307 [2022-12-13 21:30:03,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:03,107 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 683 transitions. [2022-12-13 21:30:03,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 21:30:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 683 transitions. [2022-12-13 21:30:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-12-13 21:30:03,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:03,110 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:30:03,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:30:03,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash 934237098, now seen corresponding path program 1 times [2022-12-13 21:30:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:03,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851827533] [2022-12-13 21:30:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:30:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 21:30:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 21:30:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 21:30:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 21:30:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:30:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-12-13 21:30:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-12-13 21:30:04,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:04,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851827533] [2022-12-13 21:30:04,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851827533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:04,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:04,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 21:30:04,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532692853] [2022-12-13 21:30:04,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:04,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:30:04,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:30:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:30:04,063 INFO L87 Difference]: Start difference. First operand 525 states and 683 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 21:30:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:08,332 INFO L93 Difference]: Finished difference Result 1619 states and 2144 transitions. [2022-12-13 21:30:08,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 21:30:08,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 310 [2022-12-13 21:30:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:08,341 INFO L225 Difference]: With dead ends: 1619 [2022-12-13 21:30:08,341 INFO L226 Difference]: Without dead ends: 1617 [2022-12-13 21:30:08,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-12-13 21:30:08,343 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 2006 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 3399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 922 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:08,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 2059 Invalid, 3399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [922 Valid, 2477 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 21:30:08,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-12-13 21:30:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1493. [2022-12-13 21:30:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1091 states have (on average 1.2685609532538955) internal successors, (1384), 1097 states have internal predecessors, (1384), 280 states have call successors, (280), 121 states have call predecessors, (280), 121 states have return successors, (294), 280 states have call predecessors, (294), 280 states have call successors, (294) [2022-12-13 21:30:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1958 transitions. [2022-12-13 21:30:08,439 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1958 transitions. Word has length 310 [2022-12-13 21:30:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:08,440 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 1958 transitions. [2022-12-13 21:30:08,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 21:30:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1958 transitions. [2022-12-13 21:30:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-12-13 21:30:08,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:08,444 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:30:08,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:30:08,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:08,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1697280513, now seen corresponding path program 1 times [2022-12-13 21:30:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:08,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906103526] [2022-12-13 21:30:08,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:30:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:30:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 21:30:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 21:30:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 21:30:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 21:30:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 21:30:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 21:30:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 21:30:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:30:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 21:30:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 21:30:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 21:30:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-12-13 21:30:08,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:08,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906103526] [2022-12-13 21:30:08,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906103526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:08,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:08,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 21:30:08,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421640310] [2022-12-13 21:30:08,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:08,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:30:08,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:08,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:30:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:30:08,945 INFO L87 Difference]: Start difference. First operand 1493 states and 1958 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:30:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:13,623 INFO L93 Difference]: Finished difference Result 3683 states and 5026 transitions. [2022-12-13 21:30:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:30:13,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 343 [2022-12-13 21:30:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:13,630 INFO L225 Difference]: With dead ends: 3683 [2022-12-13 21:30:13,630 INFO L226 Difference]: Without dead ends: 2234 [2022-12-13 21:30:13,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:30:13,633 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 849 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:13,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2232 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 21:30:13,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2022-12-13 21:30:13,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 1553. [2022-12-13 21:30:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1137 states have (on average 1.266490765171504) internal successors, (1440), 1147 states have internal predecessors, (1440), 290 states have call successors, (290), 121 states have call predecessors, (290), 125 states have return successors, (318), 290 states have call predecessors, (318), 290 states have call successors, (318) [2022-12-13 21:30:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2048 transitions. [2022-12-13 21:30:13,699 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2048 transitions. Word has length 343 [2022-12-13 21:30:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:13,699 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2048 transitions. [2022-12-13 21:30:13,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:30:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2048 transitions. [2022-12-13 21:30:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-13 21:30:13,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:13,702 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:30:13,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:30:13,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:13,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:13,702 INFO L85 PathProgramCache]: Analyzing trace with hash -955461196, now seen corresponding path program 1 times [2022-12-13 21:30:13,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:13,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972074915] [2022-12-13 21:30:13,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:13,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:30:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 21:30:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 21:30:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 21:30:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 21:30:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:30:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 21:30:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 21:30:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2022-12-13 21:30:14,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:14,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972074915] [2022-12-13 21:30:14,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972074915] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:30:14,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667876999] [2022-12-13 21:30:14,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:30:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:30:14,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:30:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:30:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:14,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:30:14,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2022-12-13 21:30:14,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:30:14,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667876999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:14,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:30:14,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2022-12-13 21:30:14,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430695072] [2022-12-13 21:30:14,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:14,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:30:14,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:14,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:30:14,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:30:14,876 INFO L87 Difference]: Start difference. First operand 1553 states and 2048 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 21:30:15,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:15,153 INFO L93 Difference]: Finished difference Result 3401 states and 4564 transitions. [2022-12-13 21:30:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:30:15,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 324 [2022-12-13 21:30:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:15,159 INFO L225 Difference]: With dead ends: 3401 [2022-12-13 21:30:15,159 INFO L226 Difference]: Without dead ends: 1892 [2022-12-13 21:30:15,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:30:15,163 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 95 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:15,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 2659 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:30:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-12-13 21:30:15,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1565. [2022-12-13 21:30:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1146 states have (on average 1.2643979057591623) internal successors, (1449), 1156 states have internal predecessors, (1449), 290 states have call successors, (290), 121 states have call predecessors, (290), 128 states have return successors, (327), 293 states have call predecessors, (327), 290 states have call successors, (327) [2022-12-13 21:30:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2066 transitions. [2022-12-13 21:30:15,243 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2066 transitions. Word has length 324 [2022-12-13 21:30:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:15,243 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 2066 transitions. [2022-12-13 21:30:15,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 21:30:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2066 transitions. [2022-12-13 21:30:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-12-13 21:30:15,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:15,245 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:30:15,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:30:15,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 21:30:15,446 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:15,447 INFO L85 PathProgramCache]: Analyzing trace with hash 297979910, now seen corresponding path program 1 times [2022-12-13 21:30:15,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:15,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360042160] [2022-12-13 21:30:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:15,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:30:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 21:30:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 21:30:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 21:30:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 21:30:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:30:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-12-13 21:30:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 21:30:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2022-12-13 21:30:15,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:15,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360042160] [2022-12-13 21:30:15,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360042160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:15,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:15,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 21:30:15,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310057736] [2022-12-13 21:30:15,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:15,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 21:30:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:15,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 21:30:15,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:30:15,992 INFO L87 Difference]: Start difference. First operand 1565 states and 2066 transitions. Second operand has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 21:30:23,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:23,578 INFO L93 Difference]: Finished difference Result 3839 states and 5272 transitions. [2022-12-13 21:30:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:30:23,579 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 328 [2022-12-13 21:30:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:23,586 INFO L225 Difference]: With dead ends: 3839 [2022-12-13 21:30:23,586 INFO L226 Difference]: Without dead ends: 2318 [2022-12-13 21:30:23,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:30:23,590 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 566 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 3072 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 3072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:23,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 3641 Invalid, 3358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 3072 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-13 21:30:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2022-12-13 21:30:23,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1577. [2022-12-13 21:30:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1155 states have (on average 1.2623376623376623) internal successors, (1458), 1165 states have internal predecessors, (1458), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 296 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2081 transitions. [2022-12-13 21:30:23,667 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2081 transitions. Word has length 328 [2022-12-13 21:30:23,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:23,667 INFO L495 AbstractCegarLoop]: Abstraction has 1577 states and 2081 transitions. [2022-12-13 21:30:23,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 21:30:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2081 transitions. [2022-12-13 21:30:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-12-13 21:30:23,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:23,670 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:23,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:30:23,670 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:23,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1455359904, now seen corresponding path program 1 times [2022-12-13 21:30:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:23,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932791235] [2022-12-13 21:30:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:30:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:30:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:30:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:30:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:30:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 21:30:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 21:30:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 21:30:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 21:30:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 21:30:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-12-13 21:30:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 21:30:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 21:30:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-12-13 21:30:24,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:24,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932791235] [2022-12-13 21:30:24,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932791235] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:24,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:24,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 21:30:24,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673960472] [2022-12-13 21:30:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:24,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 21:30:24,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:24,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 21:30:24,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:30:24,297 INFO L87 Difference]: Start difference. First operand 1577 states and 2081 transitions. Second operand has 11 states, 11 states have (on average 13.636363636363637) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 21:30:28,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:28,300 INFO L93 Difference]: Finished difference Result 3881 states and 5326 transitions. [2022-12-13 21:30:28,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:30:28,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.636363636363637) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 350 [2022-12-13 21:30:28,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:28,307 INFO L225 Difference]: With dead ends: 3881 [2022-12-13 21:30:28,307 INFO L226 Difference]: Without dead ends: 2348 [2022-12-13 21:30:28,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:30:28,310 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 951 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:28,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 3051 Invalid, 2690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 21:30:28,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2022-12-13 21:30:28,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 1583. [2022-12-13 21:30:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1161 states have (on average 1.2609819121447028) internal successors, (1464), 1168 states have internal predecessors, (1464), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2087 transitions. [2022-12-13 21:30:28,383 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2087 transitions. Word has length 350 [2022-12-13 21:30:28,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:28,383 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 2087 transitions. [2022-12-13 21:30:28,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.636363636363637) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 21:30:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2087 transitions. [2022-12-13 21:30:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-12-13 21:30:28,385 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:28,386 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:28,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:30:28,386 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 108034890, now seen corresponding path program 1 times [2022-12-13 21:30:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:28,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620147247] [2022-12-13 21:30:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:28,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:30:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:30:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:30:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:30:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:30:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:30:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:30:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 21:30:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 21:30:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 21:30:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 21:30:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 21:30:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-12-13 21:30:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 21:30:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 21:30:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 21:30:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:29,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620147247] [2022-12-13 21:30:29,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620147247] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:30:29,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3797015] [2022-12-13 21:30:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:30:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:30:29,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:30:29,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:30:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:29,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:30:29,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-12-13 21:30:30,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:30:30,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3797015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:30,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:30:30,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2022-12-13 21:30:30,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311168198] [2022-12-13 21:30:30,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:30,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:30:30,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:30,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:30:30,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:30:30,038 INFO L87 Difference]: Start difference. First operand 1583 states and 2087 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:31,033 INFO L93 Difference]: Finished difference Result 3680 states and 4982 transitions. [2022-12-13 21:30:31,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:30:31,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 352 [2022-12-13 21:30:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:31,039 INFO L225 Difference]: With dead ends: 3680 [2022-12-13 21:30:31,039 INFO L226 Difference]: Without dead ends: 2141 [2022-12-13 21:30:31,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-12-13 21:30:31,043 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 325 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:31,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1970 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 21:30:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-12-13 21:30:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1589. [2022-12-13 21:30:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1167 states have (on average 1.2596401028277635) internal successors, (1470), 1174 states have internal predecessors, (1470), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2093 transitions. [2022-12-13 21:30:31,134 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2093 transitions. Word has length 352 [2022-12-13 21:30:31,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:31,135 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2093 transitions. [2022-12-13 21:30:31,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2093 transitions. [2022-12-13 21:30:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-12-13 21:30:31,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:31,139 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:31,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:30:31,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:30:31,340 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:31,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:31,340 INFO L85 PathProgramCache]: Analyzing trace with hash 512918135, now seen corresponding path program 1 times [2022-12-13 21:30:31,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:31,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784029516] [2022-12-13 21:30:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 21:30:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 21:30:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 21:30:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:30:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:30:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:30:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:30:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 21:30:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 21:30:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 21:30:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 21:30:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 21:30:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 21:30:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 21:30:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 21:30:32,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:32,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784029516] [2022-12-13 21:30:32,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784029516] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:30:32,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301172249] [2022-12-13 21:30:32,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:30:32,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:30:32,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:30:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 21:30:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:32,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 3296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:30:32,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-12-13 21:30:32,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:30:32,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301172249] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:32,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:30:32,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2022-12-13 21:30:32,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649121282] [2022-12-13 21:30:32,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:32,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:30:32,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:32,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:30:32,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:30:32,923 INFO L87 Difference]: Start difference. First operand 1589 states and 2093 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:34,608 INFO L93 Difference]: Finished difference Result 3692 states and 4994 transitions. [2022-12-13 21:30:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:30:34,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 352 [2022-12-13 21:30:34,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:34,614 INFO L225 Difference]: With dead ends: 3692 [2022-12-13 21:30:34,614 INFO L226 Difference]: Without dead ends: 2147 [2022-12-13 21:30:34,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-12-13 21:30:34,616 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 325 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:34,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1973 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 21:30:34,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-12-13 21:30:34,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 1589. [2022-12-13 21:30:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1167 states have (on average 1.2596401028277635) internal successors, (1470), 1174 states have internal predecessors, (1470), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2093 transitions. [2022-12-13 21:30:34,696 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2093 transitions. Word has length 352 [2022-12-13 21:30:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:34,696 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2093 transitions. [2022-12-13 21:30:34,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2093 transitions. [2022-12-13 21:30:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-12-13 21:30:34,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:34,699 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:34,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 21:30:34,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 21:30:34,899 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash -600072284, now seen corresponding path program 1 times [2022-12-13 21:30:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:34,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037325149] [2022-12-13 21:30:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:30:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:30:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 21:30:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:30:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:30:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:30:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:30:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 21:30:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:30:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 21:30:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:30:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 21:30:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 21:30:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 21:30:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 21:30:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 21:30:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:35,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037325149] [2022-12-13 21:30:35,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037325149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:35,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:35,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:30:35,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820660121] [2022-12-13 21:30:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:35,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:30:35,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:35,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:30:35,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:30:35,209 INFO L87 Difference]: Start difference. First operand 1589 states and 2093 transitions. Second operand has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 21:30:38,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:38,067 INFO L93 Difference]: Finished difference Result 3281 states and 4352 transitions. [2022-12-13 21:30:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:30:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 351 [2022-12-13 21:30:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:38,072 INFO L225 Difference]: With dead ends: 3281 [2022-12-13 21:30:38,072 INFO L226 Difference]: Without dead ends: 1736 [2022-12-13 21:30:38,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:30:38,075 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 413 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:38,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1414 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 21:30:38,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2022-12-13 21:30:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1592. [2022-12-13 21:30:38,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1170 states have (on average 1.258974358974359) internal successors, (1473), 1177 states have internal predecessors, (1473), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2096 transitions. [2022-12-13 21:30:38,187 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2096 transitions. Word has length 351 [2022-12-13 21:30:38,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:38,188 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2096 transitions. [2022-12-13 21:30:38,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 21:30:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2096 transitions. [2022-12-13 21:30:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-12-13 21:30:38,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:38,193 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:30:38,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:30:38,193 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash -447177438, now seen corresponding path program 1 times [2022-12-13 21:30:38,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:38,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717698723] [2022-12-13 21:30:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:30:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:30:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 21:30:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 21:30:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 21:30:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 21:30:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 21:30:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 21:30:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 21:30:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 21:30:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 21:30:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 21:30:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 21:30:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-12-13 21:30:38,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:38,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717698723] [2022-12-13 21:30:38,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717698723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:38,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:38,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 21:30:38,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311199588] [2022-12-13 21:30:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:38,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:30:38,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:38,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:30:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:30:38,585 INFO L87 Difference]: Start difference. First operand 1592 states and 2096 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:30:45,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:45,263 INFO L93 Difference]: Finished difference Result 3854 states and 5254 transitions. [2022-12-13 21:30:45,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:30:45,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 343 [2022-12-13 21:30:45,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:45,270 INFO L225 Difference]: With dead ends: 3854 [2022-12-13 21:30:45,270 INFO L226 Difference]: Without dead ends: 2306 [2022-12-13 21:30:45,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:30:45,273 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 817 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:45,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 2818 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2263 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 21:30:45,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2022-12-13 21:30:45,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 1592. [2022-12-13 21:30:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1170 states have (on average 1.258974358974359) internal successors, (1473), 1177 states have internal predecessors, (1473), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2022-12-13 21:30:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2096 transitions. [2022-12-13 21:30:45,358 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2096 transitions. Word has length 343 [2022-12-13 21:30:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:45,358 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2096 transitions. [2022-12-13 21:30:45,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:30:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2096 transitions. [2022-12-13 21:30:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-12-13 21:30:45,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:45,361 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:45,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:30:45,361 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1923251230, now seen corresponding path program 1 times [2022-12-13 21:30:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:45,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257797748] [2022-12-13 21:30:45,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:45,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:30:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:30:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 21:30:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:30:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:30:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:30:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:30:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 21:30:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:30:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 21:30:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:30:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 21:30:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 21:30:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 21:30:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 21:30:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 21:30:46,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:46,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257797748] [2022-12-13 21:30:46,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257797748] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:30:46,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988888701] [2022-12-13 21:30:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:46,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:30:46,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:30:46,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:30:46,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 21:30:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:46,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 3221 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 21:30:46,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2022-12-13 21:30:47,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:30:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-12-13 21:30:47,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988888701] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:30:47,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:30:47,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 7] total 24 [2022-12-13 21:30:47,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423575065] [2022-12-13 21:30:47,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:30:47,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 21:30:47,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:47,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 21:30:47,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-12-13 21:30:47,940 INFO L87 Difference]: Start difference. First operand 1592 states and 2096 transitions. Second operand has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) [2022-12-13 21:30:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:55,016 INFO L93 Difference]: Finished difference Result 2371 states and 3174 transitions. [2022-12-13 21:30:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-13 21:30:55,017 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) Word has length 351 [2022-12-13 21:30:55,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:55,022 INFO L225 Difference]: With dead ends: 2371 [2022-12-13 21:30:55,023 INFO L226 Difference]: Without dead ends: 2369 [2022-12-13 21:30:55,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 802 SyntacticMatches, 4 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=734, Invalid=2458, Unknown=0, NotChecked=0, Total=3192 [2022-12-13 21:30:55,024 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 12512 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 4604 mSolverCounterSat, 7477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12660 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 12081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7477 IncrementalHoareTripleChecker+Valid, 4604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:55,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12660 Valid, 2919 Invalid, 12081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7477 Valid, 4604 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 21:30:55,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2022-12-13 21:30:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2194. [2022-12-13 21:30:55,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2194 states, 1617 states have (on average 1.261595547309833) internal successors, (2040), 1632 states have internal predecessors, (2040), 399 states have call successors, (399), 160 states have call predecessors, (399), 177 states have return successors, (484), 409 states have call predecessors, (484), 399 states have call successors, (484) [2022-12-13 21:30:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2923 transitions. [2022-12-13 21:30:55,139 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2923 transitions. Word has length 351 [2022-12-13 21:30:55,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:55,140 INFO L495 AbstractCegarLoop]: Abstraction has 2194 states and 2923 transitions. [2022-12-13 21:30:55,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) [2022-12-13 21:30:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2923 transitions. [2022-12-13 21:30:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-12-13 21:30:55,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:55,143 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:55,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 21:30:55,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 21:30:55,344 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:55,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:55,344 INFO L85 PathProgramCache]: Analyzing trace with hash -387898106, now seen corresponding path program 1 times [2022-12-13 21:30:55,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:55,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581155813] [2022-12-13 21:30:55,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:30:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:30:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 21:30:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 21:30:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 21:30:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 21:30:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:30:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:30:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 21:30:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 21:30:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-12-13 21:30:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 21:30:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-12-13 21:30:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-12-13 21:30:55,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:55,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581155813] [2022-12-13 21:30:55,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581155813] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:55,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:55,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:30:55,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405951220] [2022-12-13 21:30:55,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:55,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:30:55,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:55,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:30:55,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:30:55,693 INFO L87 Difference]: Start difference. First operand 2194 states and 2923 transitions. Second operand has 9 states, 9 states have (on average 17.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:59,305 INFO L93 Difference]: Finished difference Result 4523 states and 6049 transitions. [2022-12-13 21:30:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:30:59,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 363 [2022-12-13 21:30:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:59,312 INFO L225 Difference]: With dead ends: 4523 [2022-12-13 21:30:59,312 INFO L226 Difference]: Without dead ends: 2373 [2022-12-13 21:30:59,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:30:59,316 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 413 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:59,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1414 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 21:30:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2022-12-13 21:30:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2198. [2022-12-13 21:30:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 1621 states have (on average 1.2609500308451573) internal successors, (2044), 1636 states have internal predecessors, (2044), 399 states have call successors, (399), 160 states have call predecessors, (399), 177 states have return successors, (484), 409 states have call predecessors, (484), 399 states have call successors, (484) [2022-12-13 21:30:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 2927 transitions. [2022-12-13 21:30:59,448 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 2927 transitions. Word has length 363 [2022-12-13 21:30:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:59,448 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 2927 transitions. [2022-12-13 21:30:59,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:30:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2927 transitions. [2022-12-13 21:30:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-12-13 21:30:59,450 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:59,450 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:30:59,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 21:30:59,451 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:59,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1654376468, now seen corresponding path program 1 times [2022-12-13 21:30:59,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:30:59,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937557353] [2022-12-13 21:30:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:30:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:30:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:30:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:30:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:30:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:30:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:30:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:30:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:30:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:30:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:30:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:30:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:30:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:30:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:30:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:30:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:30:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:30:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 21:30:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 21:30:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 21:30:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:30:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 21:30:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:30:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:30:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:30:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 21:30:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 21:30:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-12-13 21:30:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 21:30:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:30:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 21:30:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2022-12-13 21:30:59,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:30:59,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937557353] [2022-12-13 21:30:59,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937557353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:59,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:59,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:30:59,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299383814] [2022-12-13 21:30:59,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:59,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:30:59,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:30:59,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:30:59,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:30:59,818 INFO L87 Difference]: Start difference. First operand 2198 states and 2927 transitions. Second operand has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:31:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:03,025 INFO L93 Difference]: Finished difference Result 4535 states and 6061 transitions. [2022-12-13 21:31:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:31:03,026 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 365 [2022-12-13 21:31:03,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:03,032 INFO L225 Difference]: With dead ends: 4535 [2022-12-13 21:31:03,032 INFO L226 Difference]: Without dead ends: 2381 [2022-12-13 21:31:03,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:31:03,036 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 622 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:03,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 1430 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 21:31:03,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-12-13 21:31:03,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2202. [2022-12-13 21:31:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2202 states, 1625 states have (on average 1.2603076923076924) internal successors, (2048), 1640 states have internal predecessors, (2048), 399 states have call successors, (399), 160 states have call predecessors, (399), 177 states have return successors, (484), 409 states have call predecessors, (484), 399 states have call successors, (484) [2022-12-13 21:31:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2931 transitions. [2022-12-13 21:31:03,155 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2931 transitions. Word has length 365 [2022-12-13 21:31:03,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 2202 states and 2931 transitions. [2022-12-13 21:31:03,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 21:31:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2931 transitions. [2022-12-13 21:31:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-12-13 21:31:03,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:03,158 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:03,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 21:31:03,158 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:03,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:03,158 INFO L85 PathProgramCache]: Analyzing trace with hash 937109599, now seen corresponding path program 1 times [2022-12-13 21:31:03,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:03,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297735763] [2022-12-13 21:31:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:31:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:31:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:31:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:31:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 21:31:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 21:31:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:31:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 21:31:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:31:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 21:31:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 21:31:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 21:31:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 21:31:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 21:31:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-12-13 21:31:04,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:04,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297735763] [2022-12-13 21:31:04,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297735763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:04,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:31:04,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 21:31:04,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517879118] [2022-12-13 21:31:04,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:04,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 21:31:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:04,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 21:31:04,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:31:04,009 INFO L87 Difference]: Start difference. First operand 2202 states and 2931 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 21:31:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:10,297 INFO L93 Difference]: Finished difference Result 5351 states and 7366 transitions. [2022-12-13 21:31:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 21:31:10,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 369 [2022-12-13 21:31:10,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:10,305 INFO L225 Difference]: With dead ends: 5351 [2022-12-13 21:31:10,305 INFO L226 Difference]: Without dead ends: 3193 [2022-12-13 21:31:10,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 21:31:10,309 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 682 mSDsluCounter, 2895 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:10,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 3436 Invalid, 3184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 2777 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 21:31:10,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-12-13 21:31:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2222. [2022-12-13 21:31:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2222 states, 1641 states have (on average 1.2577696526508226) internal successors, (2064), 1656 states have internal predecessors, (2064), 399 states have call successors, (399), 160 states have call predecessors, (399), 181 states have return successors, (492), 413 states have call predecessors, (492), 399 states have call successors, (492) [2022-12-13 21:31:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 2955 transitions. [2022-12-13 21:31:10,443 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 2955 transitions. Word has length 369 [2022-12-13 21:31:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:10,444 INFO L495 AbstractCegarLoop]: Abstraction has 2222 states and 2955 transitions. [2022-12-13 21:31:10,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 21:31:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2955 transitions. [2022-12-13 21:31:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-12-13 21:31:10,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:10,446 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:10,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 21:31:10,446 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:10,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1197453176, now seen corresponding path program 1 times [2022-12-13 21:31:10,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:10,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693411613] [2022-12-13 21:31:10,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:31:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:31:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:31:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:31:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:31:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 21:31:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 21:31:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 21:31:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 21:31:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-12-13 21:31:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 21:31:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-12-13 21:31:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-12-13 21:31:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 21:31:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 21:31:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 21:31:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 21:31:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-12-13 21:31:10,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:10,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693411613] [2022-12-13 21:31:10,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693411613] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:31:10,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846852095] [2022-12-13 21:31:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:10,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:31:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:31:10,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:31:10,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 21:31:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:11,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:31:11,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:31:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-12-13 21:31:11,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:31:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-12-13 21:31:11,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846852095] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:31:11,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:31:11,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 11 [2022-12-13 21:31:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823168189] [2022-12-13 21:31:11,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:31:11,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 21:31:11,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:11,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 21:31:11,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:31:11,927 INFO L87 Difference]: Start difference. First operand 2222 states and 2955 transitions. Second operand has 11 states, 11 states have (on average 18.727272727272727) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (75), 8 states have call predecessors, (75), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-13 21:31:15,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:15,672 INFO L93 Difference]: Finished difference Result 4571 states and 6101 transitions. [2022-12-13 21:31:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:31:15,672 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.727272727272727) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (75), 8 states have call predecessors, (75), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 365 [2022-12-13 21:31:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:15,678 INFO L225 Difference]: With dead ends: 4571 [2022-12-13 21:31:15,678 INFO L226 Difference]: Without dead ends: 2393 [2022-12-13 21:31:15,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 829 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:31:15,681 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 531 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:15,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1707 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 21:31:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2022-12-13 21:31:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2230. [2022-12-13 21:31:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 1649 states have (on average 1.2565191024863553) internal successors, (2072), 1664 states have internal predecessors, (2072), 399 states have call successors, (399), 160 states have call predecessors, (399), 181 states have return successors, (492), 413 states have call predecessors, (492), 399 states have call successors, (492) [2022-12-13 21:31:15,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2963 transitions. [2022-12-13 21:31:15,847 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 2963 transitions. Word has length 365 [2022-12-13 21:31:15,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:15,847 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 2963 transitions. [2022-12-13 21:31:15,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.727272727272727) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (75), 8 states have call predecessors, (75), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-13 21:31:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2963 transitions. [2022-12-13 21:31:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-12-13 21:31:15,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:15,850 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:15,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 21:31:16,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 21:31:16,051 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:16,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1076594437, now seen corresponding path program 1 times [2022-12-13 21:31:16,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:16,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074777706] [2022-12-13 21:31:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 21:31:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:31:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:31:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:31:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:31:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:31:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 21:31:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 21:31:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-12-13 21:31:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 21:31:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 21:31:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 21:31:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 21:31:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 21:31:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 21:31:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 21:31:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 21:31:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2022-12-13 21:31:17,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:17,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074777706] [2022-12-13 21:31:17,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074777706] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:31:17,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506790571] [2022-12-13 21:31:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:17,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:31:17,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:31:17,357 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:31:17,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 21:31:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:18,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 3536 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 21:31:18,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:31:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-12-13 21:31:18,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:31:18,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506790571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:18,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:31:18,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2022-12-13 21:31:18,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56611497] [2022-12-13 21:31:18,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:18,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:31:18,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:18,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:31:18,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:31:18,253 INFO L87 Difference]: Start difference. First operand 2230 states and 2963 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-13 21:31:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:18,437 INFO L93 Difference]: Finished difference Result 4444 states and 5908 transitions. [2022-12-13 21:31:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:31:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 399 [2022-12-13 21:31:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:18,443 INFO L225 Difference]: With dead ends: 4444 [2022-12-13 21:31:18,443 INFO L226 Difference]: Without dead ends: 2226 [2022-12-13 21:31:18,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:31:18,447 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 3 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:18,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1761 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:31:18,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-12-13 21:31:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2182. [2022-12-13 21:31:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1609 states have (on average 1.2504661280298321) internal successors, (2012), 1624 states have internal predecessors, (2012), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 409 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:31:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2895 transitions. [2022-12-13 21:31:18,570 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2895 transitions. Word has length 399 [2022-12-13 21:31:18,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:18,571 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2895 transitions. [2022-12-13 21:31:18,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-13 21:31:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2895 transitions. [2022-12-13 21:31:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-12-13 21:31:18,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:18,573 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:18,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 21:31:18,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 21:31:18,774 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1631412837, now seen corresponding path program 1 times [2022-12-13 21:31:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:18,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803911191] [2022-12-13 21:31:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:31:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:31:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:31:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:31:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 21:31:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 21:31:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 21:31:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 21:31:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:31:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 21:31:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 21:31:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 21:31:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 21:31:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 21:31:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 21:31:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 21:31:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 21:31:19,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:19,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803911191] [2022-12-13 21:31:19,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803911191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:19,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:31:19,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 21:31:19,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720691599] [2022-12-13 21:31:19,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:19,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 21:31:19,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:19,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 21:31:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:31:19,248 INFO L87 Difference]: Start difference. First operand 2182 states and 2895 transitions. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:31:23,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:23,750 INFO L93 Difference]: Finished difference Result 5295 states and 7254 transitions. [2022-12-13 21:31:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:31:23,750 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 369 [2022-12-13 21:31:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:23,758 INFO L225 Difference]: With dead ends: 5295 [2022-12-13 21:31:23,758 INFO L226 Difference]: Without dead ends: 3157 [2022-12-13 21:31:23,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:31:23,762 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 948 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:23,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2975 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 21:31:23,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2022-12-13 21:31:23,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 2190. [2022-12-13 21:31:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2190 states, 1617 states have (on average 1.2492269635126778) internal successors, (2020), 1628 states have internal predecessors, (2020), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 413 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:31:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 2903 transitions. [2022-12-13 21:31:23,900 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 2903 transitions. Word has length 369 [2022-12-13 21:31:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:23,901 INFO L495 AbstractCegarLoop]: Abstraction has 2190 states and 2903 transitions. [2022-12-13 21:31:23,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 21:31:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2903 transitions. [2022-12-13 21:31:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-12-13 21:31:23,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:23,903 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:23,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 21:31:23,903 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:23,904 INFO L85 PathProgramCache]: Analyzing trace with hash 338015097, now seen corresponding path program 1 times [2022-12-13 21:31:23,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:23,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388884774] [2022-12-13 21:31:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:31:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:31:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:31:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:31:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 21:31:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 21:31:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 21:31:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 21:31:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 21:31:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 21:31:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 21:31:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 21:31:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 21:31:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 21:31:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 21:31:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 21:31:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2022-12-13 21:31:24,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:24,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388884774] [2022-12-13 21:31:24,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388884774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:24,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:31:24,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 21:31:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894287473] [2022-12-13 21:31:24,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:24,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 21:31:24,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:24,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 21:31:24,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:31:24,416 INFO L87 Difference]: Start difference. First operand 2190 states and 2903 transitions. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 21:31:30,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:30,591 INFO L93 Difference]: Finished difference Result 5343 states and 7314 transitions. [2022-12-13 21:31:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:31:30,592 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 396 [2022-12-13 21:31:30,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:30,598 INFO L225 Difference]: With dead ends: 5343 [2022-12-13 21:31:30,599 INFO L226 Difference]: Without dead ends: 3197 [2022-12-13 21:31:30,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:31:30,603 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 922 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:30,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 3335 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 21:31:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-12-13 21:31:30,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2198. [2022-12-13 21:31:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 1625 states have (on average 1.248) internal successors, (2028), 1632 states have internal predecessors, (2028), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 417 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:31:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 2911 transitions. [2022-12-13 21:31:30,741 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 2911 transitions. Word has length 396 [2022-12-13 21:31:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:30,741 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 2911 transitions. [2022-12-13 21:31:30,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 21:31:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2911 transitions. [2022-12-13 21:31:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-12-13 21:31:30,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:30,743 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:30,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 21:31:30,744 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 458134970, now seen corresponding path program 1 times [2022-12-13 21:31:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:30,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180505972] [2022-12-13 21:31:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:31:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:31:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:31:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:31:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 21:31:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 21:31:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 21:31:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 21:31:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 21:31:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 21:31:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 21:31:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 21:31:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 21:31:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 21:31:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 21:31:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 21:31:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-12-13 21:31:31,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:31,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180505972] [2022-12-13 21:31:31,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180505972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:31,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:31:31,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 21:31:31,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071115501] [2022-12-13 21:31:31,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:31,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 21:31:31,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:31,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 21:31:31,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:31:31,657 INFO L87 Difference]: Start difference. First operand 2198 states and 2911 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 21:31:38,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:38,089 INFO L93 Difference]: Finished difference Result 5319 states and 7274 transitions. [2022-12-13 21:31:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 21:31:38,090 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 396 [2022-12-13 21:31:38,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:38,096 INFO L225 Difference]: With dead ends: 5319 [2022-12-13 21:31:38,096 INFO L226 Difference]: Without dead ends: 3165 [2022-12-13 21:31:38,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 21:31:38,100 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 797 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:38,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 4017 Invalid, 3593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-12-13 21:31:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2022-12-13 21:31:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2206. [2022-12-13 21:31:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 1633 states have (on average 1.2467850581751379) internal successors, (2036), 1636 states have internal predecessors, (2036), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 421 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:31:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2919 transitions. [2022-12-13 21:31:38,258 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2919 transitions. Word has length 396 [2022-12-13 21:31:38,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:38,259 INFO L495 AbstractCegarLoop]: Abstraction has 2206 states and 2919 transitions. [2022-12-13 21:31:38,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 21:31:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2919 transitions. [2022-12-13 21:31:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-12-13 21:31:38,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:38,261 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:38,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 21:31:38,261 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:38,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:38,262 INFO L85 PathProgramCache]: Analyzing trace with hash -123477647, now seen corresponding path program 1 times [2022-12-13 21:31:38,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:38,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378298368] [2022-12-13 21:31:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:38,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:31:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:31:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:31:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:31:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:31:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 21:31:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:31:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:31:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:31:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 21:31:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:31:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 21:31:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 21:31:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 21:31:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 21:31:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 21:31:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 21:31:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-12-13 21:31:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-12-13 21:31:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 21:31:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-12-13 21:31:50,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:50,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378298368] [2022-12-13 21:31:50,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378298368] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:31:50,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707905944] [2022-12-13 21:31:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:50,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:31:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:31:50,086 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:31:50,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 21:31:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:50,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 3797 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-13 21:31:50,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:31:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-12-13 21:31:51,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:31:51,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707905944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:51,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:31:51,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [46] total 52 [2022-12-13 21:31:51,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260506965] [2022-12-13 21:31:51,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:51,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:31:51,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:51,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:31:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2491, Unknown=0, NotChecked=0, Total=2652 [2022-12-13 21:31:51,135 INFO L87 Difference]: Start difference. First operand 2206 states and 2919 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 21:31:51,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:51,411 INFO L93 Difference]: Finished difference Result 5188 states and 7040 transitions. [2022-12-13 21:31:51,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:31:51,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) Word has length 422 [2022-12-13 21:31:51,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:51,418 INFO L225 Difference]: With dead ends: 5188 [2022-12-13 21:31:51,419 INFO L226 Difference]: Without dead ends: 3026 [2022-12-13 21:31:51,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=2591, Unknown=0, NotChecked=0, Total=2756 [2022-12-13 21:31:51,423 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 182 mSDsluCounter, 4691 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:51,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 5512 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:31:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2022-12-13 21:31:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2214. [2022-12-13 21:31:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1637 states have (on average 1.2461820403176542) internal successors, (2040), 1644 states have internal predecessors, (2040), 395 states have call successors, (395), 156 states have call predecessors, (395), 181 states have return successors, (496), 421 states have call predecessors, (496), 395 states have call successors, (496) [2022-12-13 21:31:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2931 transitions. [2022-12-13 21:31:51,605 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2931 transitions. Word has length 422 [2022-12-13 21:31:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:51,606 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 2931 transitions. [2022-12-13 21:31:51,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 21:31:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2931 transitions. [2022-12-13 21:31:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-12-13 21:31:51,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:51,608 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:51,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 21:31:51,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 21:31:51,809 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash -382856095, now seen corresponding path program 1 times [2022-12-13 21:31:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:51,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260937807] [2022-12-13 21:31:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:31:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:31:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:31:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:31:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:31:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:31:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:31:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:31:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:31:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:31:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:31:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:31:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:31:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:31:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 21:31:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:31:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:31:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:31:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:31:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 21:31:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 21:31:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:31:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:31:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:31:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:31:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:31:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 21:31:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 21:31:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-12-13 21:31:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 21:31:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 21:31:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 21:31:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-12-13 21:31:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-12-13 21:31:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:31:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-12-13 21:31:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2022-12-13 21:31:52,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:31:52,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260937807] [2022-12-13 21:31:52,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260937807] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:31:52,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707808875] [2022-12-13 21:31:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:52,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:31:52,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:31:52,998 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:31:52,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 21:31:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:31:53,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 3451 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 21:31:53,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:31:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-12-13 21:31:53,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:31:53,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707808875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:31:53,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:31:53,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2022-12-13 21:31:53,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967914773] [2022-12-13 21:31:53,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:31:53,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:31:53,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:31:53,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:31:53,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-12-13 21:31:53,793 INFO L87 Difference]: Start difference. First operand 2214 states and 2931 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 21:31:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:54,127 INFO L93 Difference]: Finished difference Result 5204 states and 7060 transitions. [2022-12-13 21:31:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:31:54,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 2 states have call successors, (41) Word has length 397 [2022-12-13 21:31:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:54,136 INFO L225 Difference]: With dead ends: 5204 [2022-12-13 21:31:54,136 INFO L226 Difference]: Without dead ends: 3034 [2022-12-13 21:31:54,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-12-13 21:31:54,141 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 182 mSDsluCounter, 4691 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:54,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 5512 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:31:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2022-12-13 21:31:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2206. [2022-12-13 21:31:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 1633 states have (on average 1.2467850581751379) internal successors, (2036), 1636 states have internal predecessors, (2036), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 421 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:31:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2919 transitions. [2022-12-13 21:31:54,300 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2919 transitions. Word has length 397 [2022-12-13 21:31:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 2206 states and 2919 transitions. [2022-12-13 21:31:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (41), 4 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 21:31:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2919 transitions. [2022-12-13 21:31:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-12-13 21:31:54,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:54,303 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:31:54,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 21:31:54,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 21:31:54,504 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:54,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:54,504 INFO L85 PathProgramCache]: Analyzing trace with hash 112200528, now seen corresponding path program 1 times [2022-12-13 21:31:54,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:31:54,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412629818] [2022-12-13 21:31:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:31:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:31:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:32:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:32:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:32:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:32:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:32:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:32:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:32:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:32:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:32:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:32:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:32:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:32:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:32:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:32:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 21:32:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 21:32:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:32:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:32:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:32:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 21:32:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 21:32:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:32:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:32:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:32:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:32:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:32:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 21:32:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 21:32:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 21:32:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 21:32:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 21:32:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 21:32:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-12-13 21:32:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-12-13 21:32:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 21:32:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-12-13 21:32:06,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:32:06,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412629818] [2022-12-13 21:32:06,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412629818] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:32:06,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557379648] [2022-12-13 21:32:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:32:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:32:06,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:32:06,299 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:32:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 21:32:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:08,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 3810 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 21:32:08,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:32:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-12-13 21:32:08,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:32:08,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557379648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:32:08,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:32:08,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [48] total 50 [2022-12-13 21:32:08,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406191822] [2022-12-13 21:32:08,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:32:08,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:32:08,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:32:08,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:32:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=2287, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 21:32:08,338 INFO L87 Difference]: Start difference. First operand 2206 states and 2919 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 21:32:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:32:08,565 INFO L93 Difference]: Finished difference Result 4380 states and 5799 transitions. [2022-12-13 21:32:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:32:08,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 422 [2022-12-13 21:32:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:32:08,570 INFO L225 Difference]: With dead ends: 4380 [2022-12-13 21:32:08,570 INFO L226 Difference]: Without dead ends: 2207 [2022-12-13 21:32:08,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=167, Invalid=2383, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 21:32:08,573 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 3 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:32:08,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1756 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:32:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2022-12-13 21:32:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2207. [2022-12-13 21:32:08,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 1634 states have (on average 1.2466340269277847) internal successors, (2037), 1637 states have internal predecessors, (2037), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 421 states have call predecessors, (488), 395 states have call successors, (488) [2022-12-13 21:32:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2920 transitions. [2022-12-13 21:32:08,732 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2920 transitions. Word has length 422 [2022-12-13 21:32:08,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:32:08,732 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 2920 transitions. [2022-12-13 21:32:08,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-13 21:32:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2920 transitions. [2022-12-13 21:32:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-12-13 21:32:08,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:32:08,735 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:32:08,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 21:32:08,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 21:32:08,936 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:32:08,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:32:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash 980724126, now seen corresponding path program 1 times [2022-12-13 21:32:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:32:08,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628245125] [2022-12-13 21:32:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:32:08,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:32:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:32:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:32:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:32:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:32:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:32:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:32:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:32:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:32:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:32:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 21:32:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 21:32:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 21:32:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:32:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 21:32:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:32:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:32:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:32:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 21:32:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 21:32:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:32:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:32:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:32:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:32:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:32:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 21:32:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 21:32:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 21:32:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 21:32:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 21:32:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-12-13 21:32:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 21:32:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-12-13 21:32:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 21:32:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2022-12-13 21:32:10,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:32:10,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628245125] [2022-12-13 21:32:10,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628245125] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:32:10,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116614641] [2022-12-13 21:32:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:32:10,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:32:10,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:32:10,042 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:32:10,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 21:32:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:11,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 3494 conjuncts, 71 conjunts are in the unsatisfiable core [2022-12-13 21:32:11,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:32:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-12-13 21:32:11,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:32:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2022-12-13 21:32:11,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116614641] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:32:11,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:32:11,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 7] total 21 [2022-12-13 21:32:11,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835198081] [2022-12-13 21:32:11,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:32:11,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 21:32:11,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:32:11,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 21:32:11,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-12-13 21:32:11,476 INFO L87 Difference]: Start difference. First operand 2207 states and 2920 transitions. Second operand has 21 states, 21 states have (on average 14.523809523809524) internal successors, (305), 11 states have internal predecessors, (305), 2 states have call successors, (95), 8 states have call predecessors, (95), 7 states have return successors, (72), 6 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-13 21:32:17,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:32:17,339 INFO L93 Difference]: Finished difference Result 4541 states and 6028 transitions. [2022-12-13 21:32:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 21:32:17,339 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 14.523809523809524) internal successors, (305), 11 states have internal predecessors, (305), 2 states have call successors, (95), 8 states have call predecessors, (95), 7 states have return successors, (72), 6 states have call predecessors, (72), 2 states have call successors, (72) Word has length 399 [2022-12-13 21:32:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:32:17,344 INFO L225 Difference]: With dead ends: 4541 [2022-12-13 21:32:17,344 INFO L226 Difference]: Without dead ends: 2367 [2022-12-13 21:32:17,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=735, Unknown=0, NotChecked=0, Total=870 [2022-12-13 21:32:17,348 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 734 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 4263 SdHoareTripleChecker+Invalid, 5622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:32:17,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 4263 Invalid, 5622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [590 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 21:32:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-12-13 21:32:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2236. [2022-12-13 21:32:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1655 states have (on average 1.2435045317220543) internal successors, (2058), 1658 states have internal predecessors, (2058), 395 states have call successors, (395), 156 states have call predecessors, (395), 185 states have return successors, (508), 429 states have call predecessors, (508), 395 states have call successors, (508) [2022-12-13 21:32:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2961 transitions. [2022-12-13 21:32:17,507 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2961 transitions. Word has length 399 [2022-12-13 21:32:17,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:32:17,507 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 2961 transitions. [2022-12-13 21:32:17,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.523809523809524) internal successors, (305), 11 states have internal predecessors, (305), 2 states have call successors, (95), 8 states have call predecessors, (95), 7 states have return successors, (72), 6 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-13 21:32:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2961 transitions. [2022-12-13 21:32:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-12-13 21:32:17,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:32:17,510 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:32:17,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 21:32:17,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 21:32:17,712 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:32:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:32:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash 212241552, now seen corresponding path program 1 times [2022-12-13 21:32:17,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:32:17,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214508504] [2022-12-13 21:32:17,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:32:17,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:32:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:32:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:32:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:32:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:32:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:32:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:32:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:32:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:32:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:32:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:32:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 21:32:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:32:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 21:32:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 21:32:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 21:32:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 21:32:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 21:32:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:32:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:32:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:32:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:32:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 21:32:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 21:32:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:32:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:32:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:32:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:32:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:32:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-12-13 21:32:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 21:32:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 21:32:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 21:32:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 21:32:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 21:32:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-12-13 21:32:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-12-13 21:32:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:32:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-12-13 21:32:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2022-12-13 21:32:38,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:32:38,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214508504] [2022-12-13 21:32:38,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214508504] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:32:38,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364465550] [2022-12-13 21:32:38,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:32:38,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:32:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:32:38,072 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:32:38,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 21:32:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:32:39,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3870 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 21:32:39,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:32:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-12-13 21:32:39,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:32:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-12-13 21:32:40,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364465550] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:32:40,060 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:32:40,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 8, 7] total 62 [2022-12-13 21:32:40,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825540446] [2022-12-13 21:32:40,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:32:40,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-12-13 21:32:40,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:32:40,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-12-13 21:32:40,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=3565, Unknown=0, NotChecked=0, Total=3782 [2022-12-13 21:32:40,064 INFO L87 Difference]: Start difference. First operand 2236 states and 2961 transitions. Second operand has 62 states, 61 states have (on average 5.524590163934426) internal successors, (337), 47 states have internal predecessors, (337), 16 states have call successors, (93), 9 states have call predecessors, (93), 15 states have return successors, (90), 23 states have call predecessors, (90), 15 states have call successors, (90) [2022-12-13 21:33:34,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:34:15,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:34:54,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:34:55,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:36:10,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:36:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:36:45,857 INFO L93 Difference]: Finished difference Result 13516 states and 19158 transitions. [2022-12-13 21:36:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-12-13 21:36:45,858 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 5.524590163934426) internal successors, (337), 47 states have internal predecessors, (337), 16 states have call successors, (93), 9 states have call predecessors, (93), 15 states have return successors, (90), 23 states have call predecessors, (90), 15 states have call successors, (90) Word has length 426 [2022-12-13 21:36:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:36:45,876 INFO L225 Difference]: With dead ends: 13516 [2022-12-13 21:36:45,876 INFO L226 Difference]: Without dead ends: 11326 [2022-12-13 21:36:45,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1215 GetRequests, 1041 SyntacticMatches, 1 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8566 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=2300, Invalid=28150, Unknown=0, NotChecked=0, Total=30450 [2022-12-13 21:36:45,885 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 2801 mSDsluCounter, 41587 mSDsCounter, 0 mSdLazyCounter, 42883 mSolverCounterSat, 2057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 229.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 42791 SdHoareTripleChecker+Invalid, 44940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2057 IncrementalHoareTripleChecker+Valid, 42883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:36:45,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 42791 Invalid, 44940 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2057 Valid, 42883 Invalid, 0 Unknown, 0 Unchecked, 234.2s Time] [2022-12-13 21:36:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11326 states. [2022-12-13 21:36:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11326 to 5092. [2022-12-13 21:36:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5092 states, 3883 states have (on average 1.2871491115117177) internal successors, (4998), 3894 states have internal predecessors, (4998), 783 states have call successors, (783), 380 states have call predecessors, (783), 425 states have return successors, (944), 829 states have call predecessors, (944), 783 states have call successors, (944) [2022-12-13 21:36:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 6725 transitions. [2022-12-13 21:36:46,386 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 6725 transitions. Word has length 426 [2022-12-13 21:36:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:36:46,386 INFO L495 AbstractCegarLoop]: Abstraction has 5092 states and 6725 transitions. [2022-12-13 21:36:46,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 5.524590163934426) internal successors, (337), 47 states have internal predecessors, (337), 16 states have call successors, (93), 9 states have call predecessors, (93), 15 states have return successors, (90), 23 states have call predecessors, (90), 15 states have call successors, (90) [2022-12-13 21:36:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 6725 transitions. [2022-12-13 21:36:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-12-13 21:36:46,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:36:46,392 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:46,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-13 21:36:46,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 21:36:46,594 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:36:46,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:46,596 INFO L85 PathProgramCache]: Analyzing trace with hash -225003021, now seen corresponding path program 1 times [2022-12-13 21:36:46,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:46,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292768595] [2022-12-13 21:36:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:37:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:37:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:37:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:37:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:37:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:37:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:37:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:37:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:37:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:37:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:37:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 21:37:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:37:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 21:37:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 21:37:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 21:37:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 21:37:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 21:37:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:37:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:37:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:37:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:37:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 21:37:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 21:37:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:37:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:37:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:37:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:37:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:37:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 21:37:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:37:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:37:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:37:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 21:37:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 21:37:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 21:37:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-12-13 21:37:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 21:37:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 21:37:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-12-13 21:37:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:37:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-12-13 21:37:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2022-12-13 21:37:07,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:07,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292768595] [2022-12-13 21:37:07,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292768595] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:37:07,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455337952] [2022-12-13 21:37:07,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:07,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:37:07,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:37:07,859 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:37:07,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 21:37:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:09,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 3949 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 21:37:09,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:37:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 171 proven. 16 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-13 21:37:09,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:37:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-12-13 21:37:10,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455337952] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:37:10,362 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:37:10,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 7, 6] total 64 [2022-12-13 21:37:10,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331446162] [2022-12-13 21:37:10,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:37:10,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-12-13 21:37:10,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:10,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-12-13 21:37:10,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=3802, Unknown=0, NotChecked=0, Total=4032 [2022-12-13 21:37:10,368 INFO L87 Difference]: Start difference. First operand 5092 states and 6725 transitions. Second operand has 64 states, 62 states have (on average 6.629032258064516) internal successors, (411), 54 states have internal predecessors, (411), 19 states have call successors, (124), 9 states have call predecessors, (124), 15 states have return successors, (120), 20 states have call predecessors, (120), 18 states have call successors, (120) [2022-12-13 21:38:47,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:39:16,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:39:23,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:39:30,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:40:01,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:40:06,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:40:14,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:40:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:40:21,556 INFO L93 Difference]: Finished difference Result 18338 states and 25780 transitions. [2022-12-13 21:40:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-12-13 21:40:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 62 states have (on average 6.629032258064516) internal successors, (411), 54 states have internal predecessors, (411), 19 states have call successors, (124), 9 states have call predecessors, (124), 15 states have return successors, (120), 20 states have call predecessors, (120), 18 states have call successors, (120) Word has length 445 [2022-12-13 21:40:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:40:21,581 INFO L225 Difference]: With dead ends: 18338 [2022-12-13 21:40:21,581 INFO L226 Difference]: Without dead ends: 13276 [2022-12-13 21:40:21,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1214 GetRequests, 1039 SyntacticMatches, 1 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8155 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=2177, Invalid=28623, Unknown=0, NotChecked=0, Total=30800 [2022-12-13 21:40:21,591 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 3955 mSDsluCounter, 26990 mSDsCounter, 0 mSdLazyCounter, 37172 mSolverCounterSat, 3007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3990 SdHoareTripleChecker+Valid, 27860 SdHoareTripleChecker+Invalid, 40179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3007 IncrementalHoareTripleChecker+Valid, 37172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:40:21,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3990 Valid, 27860 Invalid, 40179 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3007 Valid, 37172 Invalid, 0 Unknown, 0 Unchecked, 174.7s Time] [2022-12-13 21:40:21,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13276 states. [2022-12-13 21:40:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13276 to 7109. [2022-12-13 21:40:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7109 states, 5415 states have (on average 1.2847645429362882) internal successors, (6957), 5423 states have internal predecessors, (6957), 1084 states have call successors, (1084), 544 states have call predecessors, (1084), 609 states have return successors, (1318), 1157 states have call predecessors, (1318), 1084 states have call successors, (1318) [2022-12-13 21:40:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 9359 transitions. [2022-12-13 21:40:22,414 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 9359 transitions. Word has length 445 [2022-12-13 21:40:22,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:40:22,414 INFO L495 AbstractCegarLoop]: Abstraction has 7109 states and 9359 transitions. [2022-12-13 21:40:22,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 62 states have (on average 6.629032258064516) internal successors, (411), 54 states have internal predecessors, (411), 19 states have call successors, (124), 9 states have call predecessors, (124), 15 states have return successors, (120), 20 states have call predecessors, (120), 18 states have call successors, (120) [2022-12-13 21:40:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 9359 transitions. [2022-12-13 21:40:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-12-13 21:40:22,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:40:22,418 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:40:22,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-12-13 21:40:22,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9437ff76-670f-45e5-a339-d9d80858dcd1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-13 21:40:22,620 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:40:22,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:40:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1712320291, now seen corresponding path program 1 times [2022-12-13 21:40:22,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:40:22,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975115357] [2022-12-13 21:40:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:40:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:40:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:40:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 21:40:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:40:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 21:40:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 21:40:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:40:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:40:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 21:40:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 21:40:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 21:40:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:40:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 21:40:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 21:40:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:40:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 21:40:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 21:40:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:40:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:40:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:40:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:40:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 21:40:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 21:40:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:40:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 21:40:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:40:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:40:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:40:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 21:40:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:40:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:40:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:40:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:40:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 21:40:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-12-13 21:40:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:40:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-12-13 21:40:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat