./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- 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-38b53e6 [2022-11-25 16:58:55,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:58:55,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:58:55,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:58:55,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:58:55,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:58:55,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:58:55,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:58:55,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:58:55,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:58:55,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:58:55,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:58:55,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:58:55,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:58:55,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:58:55,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:58:55,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:58:55,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:58:55,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:58:55,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:58:55,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:58:55,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:58:55,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:58:55,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:58:55,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:58:55,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:58:55,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:58:55,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:58:55,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:58:55,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:58:55,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:58:55,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:58:55,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:58:55,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:58:55,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:58:55,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:58:55,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:58:55,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:58:55,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:58:55,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:58:55,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:58:55,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:58:55,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:58:55,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:58:55,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:58:55,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:58:55,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:58:55,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:58:55,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:58:55,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:58:55,749 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:58:55,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:58:55,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:58:55,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:58:55,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:58:55,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:58:55,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:58:55,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:58:55,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:58:55,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:55,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:58:55,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:58:55,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:58:55,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:58:55,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:58:55,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:58:55,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:58:55,754 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:58:55,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:58:55,754 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_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2022-11-25 16:58:56,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:58:56,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:58:56,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:58:56,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:58:56,087 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:58:56,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-11-25 16:58:59,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:59:00,025 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:59:00,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-11-25 16:59:00,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/data/c6e6121a6/af0417ab18cb4a3e8f76d1f6987b680d/FLAG634fa2c27 [2022-11-25 16:59:00,090 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/data/c6e6121a6/af0417ab18cb4a3e8f76d1f6987b680d [2022-11-25 16:59:00,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:59:00,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:59:00,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:59:00,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:59:00,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:59:00,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:00" (1/1) ... [2022-11-25 16:59:00,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed2d27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00, skipping insertion in model container [2022-11-25 16:59:00,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:00" (1/1) ... [2022-11-25 16:59:00,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:59:00,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:59:00,951 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:59:00,971 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:59:01,117 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:59:01,243 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:59:01,246 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:59:01,249 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:59:01,250 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:59:01,420 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 16:59:01,426 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc [2022-11-25 16:59:01,429 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-11-25 16:59:01,430 WARN L623 FunctionHandler]: Unknown extern function __scsi_get_command [2022-11-25 16:59:01,437 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-11-25 16:59:01,438 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 16:59:01,439 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 16:59:01,442 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 16:59:01,444 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,445 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-11-25 16:59:01,446 WARN L623 FunctionHandler]: Unknown extern function __scsi_put_command [2022-11-25 16:59:01,458 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,459 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:01,464 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-11-25 16:59:01,540 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 16:59:01,541 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 16:59:01,542 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,544 WARN L623 FunctionHandler]: Unknown extern function __scsi_alloc_queue [2022-11-25 16:59:01,549 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-11-25 16:59:01,557 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:59:01,570 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 16:59:01,583 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,594 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:01,609 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-11-25 16:59:01,615 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 16:59:01,629 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-11-25 16:59:01,631 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,633 WARN L623 FunctionHandler]: Unknown extern function scsi_init_io [2022-11-25 16:59:01,635 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-11-25 16:59:01,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,660 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,661 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:01,664 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:01,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,674 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,677 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:01,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,682 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:01,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,687 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:01,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,696 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:01,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,699 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:01,704 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 16:59:01,705 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 16:59:01,707 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 16:59:01,707 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 16:59:01,711 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 16:59:01,712 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 16:59:01,730 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,731 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,732 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,732 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,733 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,734 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 16:59:01,735 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,848 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,855 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:59:01,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,878 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 16:59:01,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,899 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:01,905 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 16:59:01,906 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-11-25 16:59:01,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,923 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 16:59:01,929 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:59:01,930 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 16:59:01,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:01,939 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 16:59:01,941 WARN L623 FunctionHandler]: Unknown extern function ldv_tgt_fops_release_1 [2022-11-25 16:59:01,942 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,943 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,943 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,944 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 16:59:01,945 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,945 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:01,946 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:01,947 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 16:59:01,948 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 16:59:01,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2022-11-25 16:59:02,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:59:02,072 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:59:02,237 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:59:02,238 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:59:02,242 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:59:02,258 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:59:02,259 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:59:02,260 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:59:02,260 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:59:02,265 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 16:59:02,266 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc [2022-11-25 16:59:02,267 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-11-25 16:59:02,267 WARN L623 FunctionHandler]: Unknown extern function __scsi_get_command [2022-11-25 16:59:02,269 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-11-25 16:59:02,269 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 16:59:02,270 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 16:59:02,271 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 16:59:02,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,272 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-11-25 16:59:02,272 WARN L623 FunctionHandler]: Unknown extern function __scsi_put_command [2022-11-25 16:59:02,279 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,279 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:02,280 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-11-25 16:59:02,284 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 16:59:02,285 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 16:59:02,286 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,287 WARN L623 FunctionHandler]: Unknown extern function __scsi_alloc_queue [2022-11-25 16:59:02,289 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-11-25 16:59:02,290 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:59:02,291 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 16:59:02,292 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,295 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:02,299 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-11-25 16:59:02,299 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 16:59:02,304 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-11-25 16:59:02,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,306 WARN L623 FunctionHandler]: Unknown extern function scsi_init_io [2022-11-25 16:59:02,307 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-11-25 16:59:02,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,312 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,313 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:59:02,315 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:02,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,320 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,321 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:02,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,323 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:02,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,330 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:02,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,334 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-11-25 16:59:02,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,341 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-11-25 16:59:02,342 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 16:59:02,343 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 16:59:02,344 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 16:59:02,344 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 16:59:02,345 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 16:59:02,345 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 16:59:02,347 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,348 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,349 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,349 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,349 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,350 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 16:59:02,351 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,357 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,359 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:59:02,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,447 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 16:59:02,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,453 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:59:02,454 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 16:59:02,460 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-11-25 16:59:02,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,465 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 16:59:02,466 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:59:02,467 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 16:59:02,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:59:02,474 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 16:59:02,475 WARN L623 FunctionHandler]: Unknown extern function ldv_tgt_fops_release_1 [2022-11-25 16:59:02,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,476 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,477 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 16:59:02,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 16:59:02,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:59:02,479 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 16:59:02,480 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 16:59:02,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2022-11-25 16:59:02,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:59:02,579 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:59:02,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02 WrapperNode [2022-11-25 16:59:02,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:59:02,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:59:02,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:59:02,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:59:02,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,755 INFO L138 Inliner]: procedures = 188, calls = 583, calls flagged for inlining = 72, calls inlined = 47, statements flattened = 1212 [2022-11-25 16:59:02,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:59:02,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:59:02,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:59:02,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:59:02,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:59:02,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:59:02,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:59:02,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:59:02,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (1/1) ... [2022-11-25 16:59:02,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:59:02,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:02,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:59:02,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:59:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 16:59:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 16:59:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2022-11-25 16:59:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2022-11-25 16:59:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2022-11-25 16:59:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2022-11-25 16:59:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:59:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2022-11-25 16:59:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2022-11-25 16:59:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2022-11-25 16:59:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2022-11-25 16:59:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 16:59:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 16:59:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 16:59:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 16:59:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2022-11-25 16:59:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2022-11-25 16:59:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:59:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 16:59:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 16:59:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 16:59:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 16:59:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2022-11-25 16:59:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2022-11-25 16:59:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-25 16:59:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-25 16:59:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:59:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2022-11-25 16:59:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2022-11-25 16:59:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 16:59:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 16:59:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:59:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2022-11-25 16:59:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2022-11-25 16:59:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:59:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:59:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2022-11-25 16:59:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2022-11-25 16:59:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-25 16:59:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-25 16:59:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 16:59:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 16:59:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:59:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 16:59:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 16:59:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 16:59:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 16:59:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:59:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 16:59:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2022-11-25 16:59:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2022-11-25 16:59:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2022-11-25 16:59:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2022-11-25 16:59:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2022-11-25 16:59:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2022-11-25 16:59:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 16:59:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 16:59:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-25 16:59:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-25 16:59:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2022-11-25 16:59:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2022-11-25 16:59:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 16:59:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 16:59:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2022-11-25 16:59:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2022-11-25 16:59:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2022-11-25 16:59:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2022-11-25 16:59:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:59:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 16:59:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 16:59:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:59:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:59:03,689 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:59:03,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:59:04,788 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:59:04,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:59:04,804 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:59:04,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:04 BoogieIcfgContainer [2022-11-25 16:59:04,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:59:04,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:59:04,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:59:04,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:59:04,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:59:00" (1/3) ... [2022-11-25 16:59:04,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59871ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:59:04, skipping insertion in model container [2022-11-25 16:59:04,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:02" (2/3) ... [2022-11-25 16:59:04,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59871ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:59:04, skipping insertion in model container [2022-11-25 16:59:04,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:04" (3/3) ... [2022-11-25 16:59:04,818 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-11-25 16:59:04,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:59:04,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 16:59:04,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:59:04,961 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;@518f58ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:59:04,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 16:59:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 284 states have (on average 1.3345070422535212) internal successors, (379), 301 states have internal predecessors, (379), 68 states have call successors, (68), 30 states have call predecessors, (68), 30 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-11-25 16:59:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 16:59:04,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:04,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:59:04,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:04,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash -359266689, now seen corresponding path program 1 times [2022-11-25 16:59:05,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:05,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328813045] [2022-11-25 16:59:05,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:05,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:05,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:05,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328813045] [2022-11-25 16:59:05,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328813045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:05,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:05,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:59:05,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671020042] [2022-11-25 16:59:05,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:05,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:59:05,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:59:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:59:05,585 INFO L87 Difference]: Start difference. First operand has 393 states, 284 states have (on average 1.3345070422535212) internal successors, (379), 301 states have internal predecessors, (379), 68 states have call successors, (68), 30 states have call predecessors, (68), 30 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:59:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:05,890 INFO L93 Difference]: Finished difference Result 879 states and 1166 transitions. [2022-11-25 16:59:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:59:05,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-25 16:59:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:05,925 INFO L225 Difference]: With dead ends: 879 [2022-11-25 16:59:05,925 INFO L226 Difference]: Without dead ends: 457 [2022-11-25 16:59:05,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:59:05,946 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 125 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:05,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 987 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:59:05,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-25 16:59:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 452. [2022-11-25 16:59:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 331 states have (on average 1.338368580060423) internal successors, (443), 347 states have internal predecessors, (443), 75 states have call successors, (75), 36 states have call predecessors, (75), 36 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-11-25 16:59:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 591 transitions. [2022-11-25 16:59:06,083 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 591 transitions. Word has length 15 [2022-11-25 16:59:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:06,084 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 591 transitions. [2022-11-25 16:59:06,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:59:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 591 transitions. [2022-11-25 16:59:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 16:59:06,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:06,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:59:06,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:59:06,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:06,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1016458873, now seen corresponding path program 1 times [2022-11-25 16:59:06,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:06,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948511518] [2022-11-25 16:59:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:06,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 16:59:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:06,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:06,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948511518] [2022-11-25 16:59:06,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948511518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:06,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:06,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:59:06,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429857536] [2022-11-25 16:59:06,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:06,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:59:06,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:59:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:59:06,282 INFO L87 Difference]: Start difference. First operand 452 states and 591 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:59:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:06,413 INFO L93 Difference]: Finished difference Result 1246 states and 1630 transitions. [2022-11-25 16:59:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:59:06,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-25 16:59:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:06,425 INFO L225 Difference]: With dead ends: 1246 [2022-11-25 16:59:06,425 INFO L226 Difference]: Without dead ends: 797 [2022-11-25 16:59:06,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:59:06,431 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 468 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1267 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 [2022-11-25 16:59:06,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1267 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-25 16:59:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 774. [2022-11-25 16:59:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 578 states have (on average 1.333910034602076) internal successors, (771), 595 states have internal predecessors, (771), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1018 transitions. [2022-11-25 16:59:06,510 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1018 transitions. Word has length 20 [2022-11-25 16:59:06,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:06,511 INFO L495 AbstractCegarLoop]: Abstraction has 774 states and 1018 transitions. [2022-11-25 16:59:06,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:59:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1018 transitions. [2022-11-25 16:59:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 16:59:06,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:06,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:59:06,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:59:06,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1158464439, now seen corresponding path program 1 times [2022-11-25 16:59:06,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:06,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297929590] [2022-11-25 16:59:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:59:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:59:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:06,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:06,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297929590] [2022-11-25 16:59:06,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297929590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:06,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:06,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:59:06,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419626286] [2022-11-25 16:59:06,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:06,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:06,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:06,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:06,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:59:06,735 INFO L87 Difference]: Start difference. First operand 774 states and 1018 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:07,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:07,656 INFO L93 Difference]: Finished difference Result 1815 states and 2454 transitions. [2022-11-25 16:59:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:07,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2022-11-25 16:59:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:07,668 INFO L225 Difference]: With dead ends: 1815 [2022-11-25 16:59:07,668 INFO L226 Difference]: Without dead ends: 1044 [2022-11-25 16:59:07,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:59:07,674 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 250 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:07,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 878 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 16:59:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2022-11-25 16:59:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 786. [2022-11-25 16:59:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 590 states have (on average 1.3305084745762712) internal successors, (785), 607 states have internal predecessors, (785), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1032 transitions. [2022-11-25 16:59:07,743 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1032 transitions. Word has length 36 [2022-11-25 16:59:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:07,743 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1032 transitions. [2022-11-25 16:59:07,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1032 transitions. [2022-11-25 16:59:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 16:59:07,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:07,745 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:07,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:59:07,746 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:07,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:07,747 INFO L85 PathProgramCache]: Analyzing trace with hash 256740897, now seen corresponding path program 1 times [2022-11-25 16:59:07,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:07,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726942636] [2022-11-25 16:59:07,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:07,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 16:59:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:07,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726942636] [2022-11-25 16:59:07,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726942636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:07,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:59:07,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765440130] [2022-11-25 16:59:07,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:07,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:07,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:59:07,991 INFO L87 Difference]: Start difference. First operand 786 states and 1032 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:59:08,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:08,983 INFO L93 Difference]: Finished difference Result 1829 states and 2460 transitions. [2022-11-25 16:59:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:59:08,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-25 16:59:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:08,995 INFO L225 Difference]: With dead ends: 1829 [2022-11-25 16:59:08,995 INFO L226 Difference]: Without dead ends: 1040 [2022-11-25 16:59:09,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:09,007 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 250 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:09,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1199 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 16:59:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2022-11-25 16:59:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 786. [2022-11-25 16:59:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 590 states have (on average 1.3271186440677967) internal successors, (783), 607 states have internal predecessors, (783), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1030 transitions. [2022-11-25 16:59:09,103 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1030 transitions. Word has length 38 [2022-11-25 16:59:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:09,104 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1030 transitions. [2022-11-25 16:59:09,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:59:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1030 transitions. [2022-11-25 16:59:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 16:59:09,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:09,113 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:09,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:59:09,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:09,114 INFO L85 PathProgramCache]: Analyzing trace with hash 880320095, now seen corresponding path program 1 times [2022-11-25 16:59:09,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:09,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308776427] [2022-11-25 16:59:09,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:59:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:59:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:09,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:09,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308776427] [2022-11-25 16:59:09,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308776427] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:09,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116649948] [2022-11-25 16:59:09,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:09,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:09,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 16:59:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:09,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:09,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:09,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:09,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116649948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:09,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:09,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 16:59:09,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802130093] [2022-11-25 16:59:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:09,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:09,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:09,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:09,849 INFO L87 Difference]: Start difference. First operand 786 states and 1030 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:09,953 INFO L93 Difference]: Finished difference Result 790 states and 1036 transitions. [2022-11-25 16:59:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:09,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-25 16:59:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:09,958 INFO L225 Difference]: With dead ends: 790 [2022-11-25 16:59:09,959 INFO L226 Difference]: Without dead ends: 789 [2022-11-25 16:59:09,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:09,960 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 8 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:09,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1434 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-25 16:59:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 785. [2022-11-25 16:59:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 590 states have (on average 1.323728813559322) internal successors, (781), 606 states have internal predecessors, (781), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1028 transitions. [2022-11-25 16:59:10,006 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1028 transitions. Word has length 42 [2022-11-25 16:59:10,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:10,006 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 1028 transitions. [2022-11-25 16:59:10,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1028 transitions. [2022-11-25 16:59:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 16:59:10,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:10,008 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:10,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:10,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:10,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:10,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1520119564, now seen corresponding path program 1 times [2022-11-25 16:59:10,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:10,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352147411] [2022-11-25 16:59:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:59:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:59:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:10,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:10,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352147411] [2022-11-25 16:59:10,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352147411] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937800777] [2022-11-25 16:59:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:10,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:10,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:10,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:10,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 16:59:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:10,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:10,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:10,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:59:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:59:10,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937800777] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:59:10,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:59:10,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-11-25 16:59:10,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215679179] [2022-11-25 16:59:10,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:59:10,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:59:10,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:10,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:59:10,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:10,882 INFO L87 Difference]: Start difference. First operand 785 states and 1028 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:11,891 INFO L93 Difference]: Finished difference Result 1073 states and 1469 transitions. [2022-11-25 16:59:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:59:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-11-25 16:59:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:11,897 INFO L225 Difference]: With dead ends: 1073 [2022-11-25 16:59:11,897 INFO L226 Difference]: Without dead ends: 1072 [2022-11-25 16:59:11,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:11,899 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 269 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:11,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1184 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 16:59:11,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2022-11-25 16:59:11,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 774. [2022-11-25 16:59:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 580 states have (on average 1.3224137931034483) internal successors, (767), 595 states have internal predecessors, (767), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1014 transitions. [2022-11-25 16:59:11,957 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1014 transitions. Word has length 43 [2022-11-25 16:59:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:11,958 INFO L495 AbstractCegarLoop]: Abstraction has 774 states and 1014 transitions. [2022-11-25 16:59:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1014 transitions. [2022-11-25 16:59:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 16:59:11,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:11,959 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:11,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:12,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 16:59:12,167 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:12,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:12,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1407118541, now seen corresponding path program 1 times [2022-11-25 16:59:12,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:12,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004637984] [2022-11-25 16:59:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 16:59:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:59:12,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:12,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004637984] [2022-11-25 16:59:12,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004637984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:12,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:12,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:59:12,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257000184] [2022-11-25 16:59:12,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:12,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:12,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:12,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:59:12,379 INFO L87 Difference]: Start difference. First operand 774 states and 1014 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:13,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:13,137 INFO L93 Difference]: Finished difference Result 1814 states and 2444 transitions. [2022-11-25 16:59:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:13,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-11-25 16:59:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:13,145 INFO L225 Difference]: With dead ends: 1814 [2022-11-25 16:59:13,145 INFO L226 Difference]: Without dead ends: 1043 [2022-11-25 16:59:13,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:59:13,149 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 253 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:13,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 895 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 16:59:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2022-11-25 16:59:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 789. [2022-11-25 16:59:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 595 states have (on average 1.3142857142857143) internal successors, (782), 610 states have internal predecessors, (782), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1029 transitions. [2022-11-25 16:59:13,208 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1029 transitions. Word has length 44 [2022-11-25 16:59:13,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:13,209 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1029 transitions. [2022-11-25 16:59:13,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 16:59:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1029 transitions. [2022-11-25 16:59:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 16:59:13,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:13,210 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:13,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:59:13,211 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:13,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2132982267, now seen corresponding path program 1 times [2022-11-25 16:59:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:13,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463632542] [2022-11-25 16:59:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 16:59:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:59:13,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:13,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463632542] [2022-11-25 16:59:13,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463632542] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:13,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770029028] [2022-11-25 16:59:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:13,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:13,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:13,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:13,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 16:59:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:13,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:59:13,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:59:13,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:13,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770029028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:13,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:13,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-25 16:59:13,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862981095] [2022-11-25 16:59:13,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:13,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:13,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:13,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:13,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:13,816 INFO L87 Difference]: Start difference. First operand 789 states and 1029 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 16:59:13,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:13,927 INFO L93 Difference]: Finished difference Result 1585 states and 2069 transitions. [2022-11-25 16:59:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:59:13,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-11-25 16:59:13,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:13,932 INFO L225 Difference]: With dead ends: 1585 [2022-11-25 16:59:13,932 INFO L226 Difference]: Without dead ends: 789 [2022-11-25 16:59:13,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-25 16:59:13,936 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 6 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:13,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1916 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-25 16:59:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2022-11-25 16:59:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 595 states have (on average 1.3109243697478992) internal successors, (780), 608 states have internal predecessors, (780), 124 states have call successors, (124), 62 states have call predecessors, (124), 62 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2022-11-25 16:59:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1027 transitions. [2022-11-25 16:59:14,018 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1027 transitions. Word has length 49 [2022-11-25 16:59:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:14,019 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1027 transitions. [2022-11-25 16:59:14,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 16:59:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1027 transitions. [2022-11-25 16:59:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-25 16:59:14,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:14,021 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:14,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:14,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 16:59:14,221 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:14,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:14,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1931354537, now seen corresponding path program 1 times [2022-11-25 16:59:14,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:14,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119599242] [2022-11-25 16:59:14,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:14,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 16:59:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-25 16:59:14,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:14,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119599242] [2022-11-25 16:59:14,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119599242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:14,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956764797] [2022-11-25 16:59:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:14,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:14,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:14,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 16:59:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:14,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:59:14,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:59:14,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:14,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956764797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:14,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:14,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-11-25 16:59:14,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118129099] [2022-11-25 16:59:14,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:14,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:14,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:14,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:14,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:14,954 INFO L87 Difference]: Start difference. First operand 789 states and 1027 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 16:59:15,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:15,069 INFO L93 Difference]: Finished difference Result 1749 states and 2325 transitions. [2022-11-25 16:59:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:59:15,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2022-11-25 16:59:15,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:15,075 INFO L225 Difference]: With dead ends: 1749 [2022-11-25 16:59:15,076 INFO L226 Difference]: Without dead ends: 963 [2022-11-25 16:59:15,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:15,079 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 89 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:15,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 2204 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:59:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-11-25 16:59:15,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 797. [2022-11-25 16:59:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 601 states have (on average 1.307820299500832) internal successors, (786), 614 states have internal predecessors, (786), 124 states have call successors, (124), 62 states have call predecessors, (124), 64 states have return successors, (127), 125 states have call predecessors, (127), 123 states have call successors, (127) [2022-11-25 16:59:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1037 transitions. [2022-11-25 16:59:15,133 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1037 transitions. Word has length 70 [2022-11-25 16:59:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:15,134 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1037 transitions. [2022-11-25 16:59:15,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 16:59:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1037 transitions. [2022-11-25 16:59:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 16:59:15,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:15,136 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:15,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:15,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:15,344 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:15,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:15,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1298059425, now seen corresponding path program 1 times [2022-11-25 16:59:15,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:15,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401044284] [2022-11-25 16:59:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:15,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:59:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:59:15,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:15,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401044284] [2022-11-25 16:59:15,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401044284] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:15,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443377552] [2022-11-25 16:59:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:15,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:15,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 16:59:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:15,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 16:59:15,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 16:59:16,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:16,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443377552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:16,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:16,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-11-25 16:59:16,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570180892] [2022-11-25 16:59:16,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:16,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 16:59:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:16,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 16:59:16,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:59:16,069 INFO L87 Difference]: Start difference. First operand 797 states and 1037 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 16:59:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:16,269 INFO L93 Difference]: Finished difference Result 1757 states and 2333 transitions. [2022-11-25 16:59:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:59:16,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2022-11-25 16:59:16,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:16,275 INFO L225 Difference]: With dead ends: 1757 [2022-11-25 16:59:16,275 INFO L226 Difference]: Without dead ends: 963 [2022-11-25 16:59:16,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:59:16,279 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 257 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:16,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 3209 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:59:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-11-25 16:59:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 801. [2022-11-25 16:59:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 605 states have (on average 1.3057851239669422) internal successors, (790), 618 states have internal predecessors, (790), 124 states have call successors, (124), 62 states have call predecessors, (124), 64 states have return successors, (127), 125 states have call predecessors, (127), 123 states have call successors, (127) [2022-11-25 16:59:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1041 transitions. [2022-11-25 16:59:16,329 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1041 transitions. Word has length 66 [2022-11-25 16:59:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:16,329 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1041 transitions. [2022-11-25 16:59:16,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 16:59:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1041 transitions. [2022-11-25 16:59:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 16:59:16,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:16,331 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:16,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:16,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 16:59:16,538 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1526621756, now seen corresponding path program 1 times [2022-11-25 16:59:16,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:16,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875071490] [2022-11-25 16:59:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:16,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:16,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:16,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875071490] [2022-11-25 16:59:16,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875071490] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:16,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333623359] [2022-11-25 16:59:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:16,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:16,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:16,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:16,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 16:59:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:17,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:17,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:17,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333623359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:17,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:17,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-25 16:59:17,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254679213] [2022-11-25 16:59:17,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:17,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:17,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:17,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:17,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:17,227 INFO L87 Difference]: Start difference. First operand 801 states and 1041 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:17,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:17,276 INFO L93 Difference]: Finished difference Result 801 states and 1041 transitions. [2022-11-25 16:59:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:17,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2022-11-25 16:59:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:17,280 INFO L225 Difference]: With dead ends: 801 [2022-11-25 16:59:17,281 INFO L226 Difference]: Without dead ends: 800 [2022-11-25 16:59:17,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:17,282 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 7 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:17,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 949 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-25 16:59:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2022-11-25 16:59:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 605 states have (on average 1.3008264462809918) internal successors, (787), 617 states have internal predecessors, (787), 124 states have call successors, (124), 62 states have call predecessors, (124), 64 states have return successors, (127), 125 states have call predecessors, (127), 123 states have call successors, (127) [2022-11-25 16:59:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1038 transitions. [2022-11-25 16:59:17,331 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1038 transitions. Word has length 74 [2022-11-25 16:59:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:17,332 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1038 transitions. [2022-11-25 16:59:17,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1038 transitions. [2022-11-25 16:59:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 16:59:17,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:17,333 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:17,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:17,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:17,546 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:17,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash -80634132, now seen corresponding path program 1 times [2022-11-25 16:59:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:17,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245584917] [2022-11-25 16:59:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:17,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:17,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245584917] [2022-11-25 16:59:17,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245584917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:17,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623629115] [2022-11-25 16:59:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:17,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:17,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:17,770 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 16:59:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:18,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:18,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:59:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:18,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623629115] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:59:18,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:59:18,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-11-25 16:59:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215508090] [2022-11-25 16:59:18,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:59:18,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 16:59:18,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 16:59:18,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:18,320 INFO L87 Difference]: Start difference. First operand 800 states and 1038 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:19,805 INFO L93 Difference]: Finished difference Result 1100 states and 1494 transitions. [2022-11-25 16:59:19,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:19,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2022-11-25 16:59:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:19,819 INFO L225 Difference]: With dead ends: 1100 [2022-11-25 16:59:19,819 INFO L226 Difference]: Without dead ends: 1069 [2022-11-25 16:59:19,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-11-25 16:59:19,822 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 391 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:19,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1839 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 16:59:19,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2022-11-25 16:59:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 771. [2022-11-25 16:59:19,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 582 states have (on average 1.302405498281787) internal successors, (758), 592 states have internal predecessors, (758), 121 states have call successors, (121), 60 states have call predecessors, (121), 62 states have return successors, (125), 123 states have call predecessors, (125), 121 states have call successors, (125) [2022-11-25 16:59:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1004 transitions. [2022-11-25 16:59:19,885 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1004 transitions. Word has length 75 [2022-11-25 16:59:19,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:19,886 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 1004 transitions. [2022-11-25 16:59:19,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1004 transitions. [2022-11-25 16:59:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-25 16:59:19,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:19,888 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:19,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:20,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:20,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:20,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1984686968, now seen corresponding path program 1 times [2022-11-25 16:59:20,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:20,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544583609] [2022-11-25 16:59:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:20,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 16:59:20,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:20,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544583609] [2022-11-25 16:59:20,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544583609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:20,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:20,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:59:20,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871712261] [2022-11-25 16:59:20,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:20,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:20,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:59:20,305 INFO L87 Difference]: Start difference. First operand 771 states and 1004 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:22,007 INFO L93 Difference]: Finished difference Result 2699 states and 3634 transitions. [2022-11-25 16:59:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:59:22,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2022-11-25 16:59:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:22,018 INFO L225 Difference]: With dead ends: 2699 [2022-11-25 16:59:22,018 INFO L226 Difference]: Without dead ends: 1931 [2022-11-25 16:59:22,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:22,022 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 1139 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:22,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 1048 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 16:59:22,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2022-11-25 16:59:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1390. [2022-11-25 16:59:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1049 states have (on average 1.2850333651096282) internal successors, (1348), 1063 states have internal predecessors, (1348), 219 states have call successors, (219), 113 states have call predecessors, (219), 116 states have return successors, (225), 222 states have call predecessors, (225), 219 states have call successors, (225) [2022-11-25 16:59:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1792 transitions. [2022-11-25 16:59:22,114 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1792 transitions. Word has length 83 [2022-11-25 16:59:22,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:22,114 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 1792 transitions. [2022-11-25 16:59:22,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1792 transitions. [2022-11-25 16:59:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 16:59:22,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:22,116 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:22,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 16:59:22,117 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:22,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1453053901, now seen corresponding path program 1 times [2022-11-25 16:59:22,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:22,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588699755] [2022-11-25 16:59:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 16:59:22,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:22,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588699755] [2022-11-25 16:59:22,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588699755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:22,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:22,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:59:22,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083868056] [2022-11-25 16:59:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:22,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:22,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:22,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:59:22,327 INFO L87 Difference]: Start difference. First operand 1390 states and 1792 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:23,412 INFO L93 Difference]: Finished difference Result 3351 states and 4481 transitions. [2022-11-25 16:59:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:59:23,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2022-11-25 16:59:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:23,421 INFO L225 Difference]: With dead ends: 3351 [2022-11-25 16:59:23,422 INFO L226 Difference]: Without dead ends: 1964 [2022-11-25 16:59:23,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:23,427 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 377 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:23,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 946 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 16:59:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2022-11-25 16:59:23,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1418. [2022-11-25 16:59:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1077 states have (on average 1.2813370473537604) internal successors, (1380), 1091 states have internal predecessors, (1380), 219 states have call successors, (219), 113 states have call predecessors, (219), 116 states have return successors, (225), 222 states have call predecessors, (225), 219 states have call successors, (225) [2022-11-25 16:59:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1824 transitions. [2022-11-25 16:59:23,532 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1824 transitions. Word has length 88 [2022-11-25 16:59:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:23,532 INFO L495 AbstractCegarLoop]: Abstraction has 1418 states and 1824 transitions. [2022-11-25 16:59:23,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1824 transitions. [2022-11-25 16:59:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 16:59:23,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:23,534 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:23,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 16:59:23,535 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:23,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:23,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1918384877, now seen corresponding path program 1 times [2022-11-25 16:59:23,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:23,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486078597] [2022-11-25 16:59:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:59:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 16:59:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:23,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486078597] [2022-11-25 16:59:23,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486078597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:23,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:23,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:59:23,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451065926] [2022-11-25 16:59:23,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:23,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:59:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:23,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:59:23,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:23,818 INFO L87 Difference]: Start difference. First operand 1418 states and 1824 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 16:59:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:25,767 INFO L93 Difference]: Finished difference Result 2996 states and 4032 transitions. [2022-11-25 16:59:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:25,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2022-11-25 16:59:25,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:25,783 INFO L225 Difference]: With dead ends: 2996 [2022-11-25 16:59:25,783 INFO L226 Difference]: Without dead ends: 2994 [2022-11-25 16:59:25,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:25,786 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 1174 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:25,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1088 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 16:59:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2022-11-25 16:59:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2174. [2022-11-25 16:59:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1656 states have (on average 1.2735507246376812) internal successors, (2109), 1675 states have internal predecessors, (2109), 334 states have call successors, (334), 173 states have call predecessors, (334), 178 states have return successors, (344), 339 states have call predecessors, (344), 334 states have call successors, (344) [2022-11-25 16:59:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2787 transitions. [2022-11-25 16:59:25,971 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2787 transitions. Word has length 87 [2022-11-25 16:59:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:25,972 INFO L495 AbstractCegarLoop]: Abstraction has 2174 states and 2787 transitions. [2022-11-25 16:59:25,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 16:59:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2787 transitions. [2022-11-25 16:59:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-25 16:59:25,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:25,975 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:25,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 16:59:25,976 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:25,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:25,976 INFO L85 PathProgramCache]: Analyzing trace with hash -835925944, now seen corresponding path program 1 times [2022-11-25 16:59:25,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:25,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39231205] [2022-11-25 16:59:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 16:59:26,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:26,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39231205] [2022-11-25 16:59:26,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39231205] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:26,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400018041] [2022-11-25 16:59:26,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:26,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:26,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:26,251 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:26,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 16:59:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:26,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:59:26,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-25 16:59:26,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:26,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400018041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:26,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:26,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-11-25 16:59:26,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634213622] [2022-11-25 16:59:26,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:26,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:59:26,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:26,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:59:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:26,773 INFO L87 Difference]: Start difference. First operand 2174 states and 2787 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:27,036 INFO L93 Difference]: Finished difference Result 4644 states and 6043 transitions. [2022-11-25 16:59:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:59:27,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 95 [2022-11-25 16:59:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:27,054 INFO L225 Difference]: With dead ends: 4644 [2022-11-25 16:59:27,054 INFO L226 Difference]: Without dead ends: 2570 [2022-11-25 16:59:27,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:27,067 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 88 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:27,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 2200 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:27,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-11-25 16:59:27,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2184. [2022-11-25 16:59:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 1666 states have (on average 1.271908763505402) internal successors, (2119), 1680 states have internal predecessors, (2119), 334 states have call successors, (334), 173 states have call predecessors, (334), 178 states have return successors, (344), 344 states have call predecessors, (344), 334 states have call successors, (344) [2022-11-25 16:59:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 2797 transitions. [2022-11-25 16:59:27,297 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 2797 transitions. Word has length 95 [2022-11-25 16:59:27,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:27,298 INFO L495 AbstractCegarLoop]: Abstraction has 2184 states and 2797 transitions. [2022-11-25 16:59:27,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2797 transitions. [2022-11-25 16:59:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 16:59:27,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:27,305 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:27,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:27,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 16:59:27,513 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:27,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:27,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1529407501, now seen corresponding path program 1 times [2022-11-25 16:59:27,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:27,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808101571] [2022-11-25 16:59:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:27,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:27,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808101571] [2022-11-25 16:59:27,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808101571] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:27,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956074297] [2022-11-25 16:59:27,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:27,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:27,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:27,783 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:27,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 16:59:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:28,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:28,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:28,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:28,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956074297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:28,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:28,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-25 16:59:28,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603730344] [2022-11-25 16:59:28,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:28,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:28,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:28,288 INFO L87 Difference]: Start difference. First operand 2184 states and 2797 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:28,435 INFO L93 Difference]: Finished difference Result 2196 states and 2815 transitions. [2022-11-25 16:59:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 99 [2022-11-25 16:59:28,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:28,446 INFO L225 Difference]: With dead ends: 2196 [2022-11-25 16:59:28,447 INFO L226 Difference]: Without dead ends: 2195 [2022-11-25 16:59:28,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:28,449 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 8 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:28,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1400 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:59:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-11-25 16:59:28,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2183. [2022-11-25 16:59:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 1666 states have (on average 1.2683073229291717) internal successors, (2113), 1679 states have internal predecessors, (2113), 334 states have call successors, (334), 173 states have call predecessors, (334), 178 states have return successors, (344), 344 states have call predecessors, (344), 334 states have call successors, (344) [2022-11-25 16:59:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2791 transitions. [2022-11-25 16:59:28,656 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2791 transitions. Word has length 99 [2022-11-25 16:59:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:28,656 INFO L495 AbstractCegarLoop]: Abstraction has 2183 states and 2791 transitions. [2022-11-25 16:59:28,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2791 transitions. [2022-11-25 16:59:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-25 16:59:28,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:28,660 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:28,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:28,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 16:59:28,868 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 166992346, now seen corresponding path program 1 times [2022-11-25 16:59:28,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:28,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004467214] [2022-11-25 16:59:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:28,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:29,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:29,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004467214] [2022-11-25 16:59:29,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004467214] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:29,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181790430] [2022-11-25 16:59:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:29,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:29,111 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 16:59:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:29,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:29,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:29,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:59:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:29,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181790430] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:59:29,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:59:29,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-11-25 16:59:29,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546929504] [2022-11-25 16:59:29,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:59:29,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 16:59:29,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:29,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 16:59:29,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:29,655 INFO L87 Difference]: Start difference. First operand 2183 states and 2791 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:31,082 INFO L93 Difference]: Finished difference Result 3099 states and 4178 transitions. [2022-11-25 16:59:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:31,082 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 100 [2022-11-25 16:59:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:31,098 INFO L225 Difference]: With dead ends: 3099 [2022-11-25 16:59:31,098 INFO L226 Difference]: Without dead ends: 3098 [2022-11-25 16:59:31,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-11-25 16:59:31,100 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 423 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:31,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1507 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 16:59:31,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2022-11-25 16:59:31,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 2146. [2022-11-25 16:59:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1630 states have (on average 1.2668711656441718) internal successors, (2065), 1642 states have internal predecessors, (2065), 334 states have call successors, (334), 173 states have call predecessors, (334), 178 states have return successors, (344), 344 states have call predecessors, (344), 334 states have call successors, (344) [2022-11-25 16:59:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2743 transitions. [2022-11-25 16:59:31,292 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2743 transitions. Word has length 100 [2022-11-25 16:59:31,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:31,293 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2743 transitions. [2022-11-25 16:59:31,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 1 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 16:59:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2743 transitions. [2022-11-25 16:59:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-25 16:59:31,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:31,297 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:31,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:31,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 16:59:31,505 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:31,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash 997952132, now seen corresponding path program 1 times [2022-11-25 16:59:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:31,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470807837] [2022-11-25 16:59:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:31,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 16:59:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:31,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:31,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470807837] [2022-11-25 16:59:31,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470807837] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:31,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061980438] [2022-11-25 16:59:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:31,817 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:31,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 16:59:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:32,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:32,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:32,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:59:32,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061980438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:32,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:59:32,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-25 16:59:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489730045] [2022-11-25 16:59:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:32,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:59:32,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:32,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:59:32,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:32,444 INFO L87 Difference]: Start difference. First operand 2146 states and 2743 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 16:59:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:33,016 INFO L93 Difference]: Finished difference Result 2795 states and 3573 transitions. [2022-11-25 16:59:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:59:33,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 105 [2022-11-25 16:59:33,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:33,040 INFO L225 Difference]: With dead ends: 2795 [2022-11-25 16:59:33,041 INFO L226 Difference]: Without dead ends: 2793 [2022-11-25 16:59:33,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:33,043 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 854 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:33,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1214 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 16:59:33,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2022-11-25 16:59:33,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2144. [2022-11-25 16:59:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2144 states, 1630 states have (on average 1.2644171779141105) internal successors, (2061), 1640 states have internal predecessors, (2061), 334 states have call successors, (334), 173 states have call predecessors, (334), 178 states have return successors, (344), 344 states have call predecessors, (344), 334 states have call successors, (344) [2022-11-25 16:59:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2739 transitions. [2022-11-25 16:59:33,241 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2739 transitions. Word has length 105 [2022-11-25 16:59:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:33,242 INFO L495 AbstractCegarLoop]: Abstraction has 2144 states and 2739 transitions. [2022-11-25 16:59:33,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 16:59:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2739 transitions. [2022-11-25 16:59:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 16:59:33,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:33,246 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 16:59:33,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:33,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:33,453 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:33,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:33,453 INFO L85 PathProgramCache]: Analyzing trace with hash 871745675, now seen corresponding path program 1 times [2022-11-25 16:59:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:33,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984386408] [2022-11-25 16:59:33,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:33,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 16:59:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:33,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:33,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984386408] [2022-11-25 16:59:33,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984386408] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:59:33,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971573976] [2022-11-25 16:59:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:33,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:59:33,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:59:33,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 16:59:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:34,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:59:34,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:59:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:34,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:59:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 16:59:34,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971573976] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:59:34,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:59:34,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-11-25 16:59:34,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894803389] [2022-11-25 16:59:34,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:59:34,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 16:59:34,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:34,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 16:59:34,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 16:59:34,531 INFO L87 Difference]: Start difference. First operand 2144 states and 2739 transitions. Second operand has 10 states, 9 states have (on average 20.333333333333332) internal successors, (183), 7 states have internal predecessors, (183), 4 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 16:59:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:39,523 INFO L93 Difference]: Finished difference Result 5817 states and 7832 transitions. [2022-11-25 16:59:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 16:59:39,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.333333333333332) internal successors, (183), 7 states have internal predecessors, (183), 4 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 106 [2022-11-25 16:59:39,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:39,544 INFO L225 Difference]: With dead ends: 5817 [2022-11-25 16:59:39,545 INFO L226 Difference]: Without dead ends: 5815 [2022-11-25 16:59:39,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2022-11-25 16:59:39,548 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 3061 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 1182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 1952 SdHoareTripleChecker+Invalid, 3726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1182 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:39,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 1952 Invalid, 3726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1182 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 16:59:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5815 states. [2022-11-25 16:59:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5815 to 3534. [2022-11-25 16:59:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3534 states, 2686 states have (on average 1.265078183172003) internal successors, (3398), 2701 states have internal predecessors, (3398), 553 states have call successors, (553), 286 states have call predecessors, (553), 294 states have return successors, (569), 569 states have call predecessors, (569), 553 states have call successors, (569) [2022-11-25 16:59:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 3534 states and 4520 transitions. [2022-11-25 16:59:39,895 INFO L78 Accepts]: Start accepts. Automaton has 3534 states and 4520 transitions. Word has length 106 [2022-11-25 16:59:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:39,896 INFO L495 AbstractCegarLoop]: Abstraction has 3534 states and 4520 transitions. [2022-11-25 16:59:39,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.333333333333332) internal successors, (183), 7 states have internal predecessors, (183), 4 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-25 16:59:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3534 states and 4520 transitions. [2022-11-25 16:59:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 16:59:39,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:39,902 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:59:39,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 16:59:40,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:59:40,109 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1461808459, now seen corresponding path program 1 times [2022-11-25 16:59:40,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:40,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751642992] [2022-11-25 16:59:40,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:40,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 16:59:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:59:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 16:59:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-25 16:59:40,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:40,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751642992] [2022-11-25 16:59:40,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751642992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:40,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:40,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:59:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069331489] [2022-11-25 16:59:40,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:40,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:59:40,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:40,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:59:40,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:40,376 INFO L87 Difference]: Start difference. First operand 3534 states and 4520 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 16:59:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:42,609 INFO L93 Difference]: Finished difference Result 8124 states and 10729 transitions. [2022-11-25 16:59:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 128 [2022-11-25 16:59:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:42,627 INFO L225 Difference]: With dead ends: 8124 [2022-11-25 16:59:42,627 INFO L226 Difference]: Without dead ends: 4692 [2022-11-25 16:59:42,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:42,637 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 957 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:42,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1538 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 16:59:42,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4692 states. [2022-11-25 16:59:43,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4692 to 3336. [2022-11-25 16:59:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 2520 states have (on average 1.2492063492063492) internal successors, (3148), 2537 states have internal predecessors, (3148), 537 states have call successors, (537), 272 states have call predecessors, (537), 278 states have return successors, (549), 549 states have call predecessors, (549), 537 states have call successors, (549) [2022-11-25 16:59:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4234 transitions. [2022-11-25 16:59:43,023 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4234 transitions. Word has length 128 [2022-11-25 16:59:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:43,026 INFO L495 AbstractCegarLoop]: Abstraction has 3336 states and 4234 transitions. [2022-11-25 16:59:43,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 16:59:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4234 transitions. [2022-11-25 16:59:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-25 16:59:43,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:43,039 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 16:59:43,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 16:59:43,040 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:43,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash 545049167, now seen corresponding path program 1 times [2022-11-25 16:59:43,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:43,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140536648] [2022-11-25 16:59:43,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:43,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 16:59:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 16:59:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 16:59:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 16:59:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 16:59:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 16:59:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-25 16:59:43,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:43,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140536648] [2022-11-25 16:59:43,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140536648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:43,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:43,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:59:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882909530] [2022-11-25 16:59:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:43,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:59:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:59:43,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:59:43,412 INFO L87 Difference]: Start difference. First operand 3336 states and 4234 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-25 16:59:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:45,760 INFO L93 Difference]: Finished difference Result 8024 states and 10524 transitions. [2022-11-25 16:59:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:45,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 214 [2022-11-25 16:59:45,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:45,775 INFO L225 Difference]: With dead ends: 8024 [2022-11-25 16:59:45,775 INFO L226 Difference]: Without dead ends: 3826 [2022-11-25 16:59:45,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:59:45,786 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 899 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:45,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 1343 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 16:59:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2022-11-25 16:59:46,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 2739. [2022-11-25 16:59:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2068 states have (on average 1.239845261121857) internal successors, (2564), 2081 states have internal predecessors, (2564), 440 states have call successors, (440), 224 states have call predecessors, (440), 230 states have return successors, (452), 452 states have call predecessors, (452), 440 states have call successors, (452) [2022-11-25 16:59:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3456 transitions. [2022-11-25 16:59:46,094 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3456 transitions. Word has length 214 [2022-11-25 16:59:46,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:46,094 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3456 transitions. [2022-11-25 16:59:46,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-25 16:59:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3456 transitions. [2022-11-25 16:59:46,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-25 16:59:46,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:46,103 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 16:59:46,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 16:59:46,103 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:46,104 INFO L85 PathProgramCache]: Analyzing trace with hash 389068625, now seen corresponding path program 1 times [2022-11-25 16:59:46,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:46,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288222905] [2022-11-25 16:59:46,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 16:59:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 16:59:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 16:59:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 16:59:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 16:59:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 16:59:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 16:59:46,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:46,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288222905] [2022-11-25 16:59:46,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288222905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:46,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:46,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 16:59:46,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885995020] [2022-11-25 16:59:46,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:46,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 16:59:46,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:46,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 16:59:46,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:46,497 INFO L87 Difference]: Start difference. First operand 2739 states and 3456 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 16:59:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:48,031 INFO L93 Difference]: Finished difference Result 6702 states and 8762 transitions. [2022-11-25 16:59:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:59:48,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 214 [2022-11-25 16:59:48,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:48,048 INFO L225 Difference]: With dead ends: 6702 [2022-11-25 16:59:48,048 INFO L226 Difference]: Without dead ends: 3960 [2022-11-25 16:59:48,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:59:48,057 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 950 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:48,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1224 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 16:59:48,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3960 states. [2022-11-25 16:59:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3960 to 2739. [2022-11-25 16:59:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2068 states have (on average 1.238394584139265) internal successors, (2561), 2081 states have internal predecessors, (2561), 440 states have call successors, (440), 224 states have call predecessors, (440), 230 states have return successors, (452), 452 states have call predecessors, (452), 440 states have call successors, (452) [2022-11-25 16:59:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3453 transitions. [2022-11-25 16:59:48,397 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3453 transitions. Word has length 214 [2022-11-25 16:59:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:48,398 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3453 transitions. [2022-11-25 16:59:48,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 16:59:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3453 transitions. [2022-11-25 16:59:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-25 16:59:48,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:48,406 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 16:59:48,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 16:59:48,407 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:48,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 50265034, now seen corresponding path program 1 times [2022-11-25 16:59:48,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:48,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227610593] [2022-11-25 16:59:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 16:59:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 16:59:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 16:59:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 16:59:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 16:59:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 16:59:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 16:59:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-25 16:59:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-25 16:59:48,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227610593] [2022-11-25 16:59:48,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227610593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:48,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:48,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 16:59:48,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091410349] [2022-11-25 16:59:48,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:48,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 16:59:48,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 16:59:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:59:48,837 INFO L87 Difference]: Start difference. First operand 2739 states and 3453 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:59:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:50,491 INFO L93 Difference]: Finished difference Result 6745 states and 8842 transitions. [2022-11-25 16:59:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:59:50,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 223 [2022-11-25 16:59:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:50,508 INFO L225 Difference]: With dead ends: 6745 [2022-11-25 16:59:50,508 INFO L226 Difference]: Without dead ends: 4090 [2022-11-25 16:59:50,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:59:50,516 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 474 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:50,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1860 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 16:59:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-11-25 16:59:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 2743. [2022-11-25 16:59:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2072 states have (on average 1.2374517374517375) internal successors, (2564), 2085 states have internal predecessors, (2564), 440 states have call successors, (440), 224 states have call predecessors, (440), 230 states have return successors, (452), 452 states have call predecessors, (452), 440 states have call successors, (452) [2022-11-25 16:59:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3456 transitions. [2022-11-25 16:59:50,884 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3456 transitions. Word has length 223 [2022-11-25 16:59:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:50,884 INFO L495 AbstractCegarLoop]: Abstraction has 2743 states and 3456 transitions. [2022-11-25 16:59:50,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:59:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3456 transitions. [2022-11-25 16:59:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 16:59:50,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:50,892 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 16:59:50,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 16:59:50,893 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 16:59:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash -761160175, now seen corresponding path program 1 times [2022-11-25 16:59:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:50,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097530564] [2022-11-25 16:59:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:59:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:59:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 16:59:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 16:59:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:59:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 16:59:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 16:59:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 16:59:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 16:59:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 16:59:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 16:59:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:59:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-25 16:59:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-25 16:59:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-25 16:59:51,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:51,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097530564] [2022-11-25 16:59:51,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097530564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:51,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:51,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 16:59:51,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638961881] [2022-11-25 16:59:51,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:51,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 16:59:51,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:51,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 16:59:51,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 16:59:51,473 INFO L87 Difference]: Start difference. First operand 2743 states and 3456 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 16:59:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:51,767 INFO L93 Difference]: Finished difference Result 2859 states and 3588 transitions. [2022-11-25 16:59:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:59:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 244 [2022-11-25 16:59:51,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:51,772 INFO L225 Difference]: With dead ends: 2859 [2022-11-25 16:59:51,772 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:59:51,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-25 16:59:51,779 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 45 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:51,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 466 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 16:59:51,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:59:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:59:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:59:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:59:51,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2022-11-25 16:59:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:51,781 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:59:51,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 16:59:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:59:51,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:59:51,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 16:59:51,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 16:59:51,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 16:59:51,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 16:59:51,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 16:59:51,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:00:07,967 INFO L895 garLoopResultBuilder]: At program point tgt_ring_idx_incENTRY(lines 7281 7291) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse1 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,968 INFO L899 garLoopResultBuilder]: For program point L7284-2(lines 7281 7291) no Hoare annotation was computed. [2022-11-25 17:00:07,968 INFO L899 garLoopResultBuilder]: For program point L7284(lines 7284 7288) no Hoare annotation was computed. [2022-11-25 17:00:07,968 INFO L899 garLoopResultBuilder]: For program point tgt_ring_idx_incEXIT(lines 7281 7291) no Hoare annotation was computed. [2022-11-25 17:00:07,968 INFO L899 garLoopResultBuilder]: For program point __raw_spin_lock_initEXIT(lines 8215 8217) no Hoare annotation was computed. [2022-11-25 17:00:07,968 INFO L902 garLoopResultBuilder]: At program point __raw_spin_lock_initENTRY(lines 8215 8217) the Hoare annotation is: true [2022-11-25 17:00:07,968 INFO L899 garLoopResultBuilder]: For program point __raw_spin_lock_initFINAL(lines 8215 8217) no Hoare annotation was computed. [2022-11-25 17:00:07,969 INFO L895 garLoopResultBuilder]: At program point L7603(lines 7595 7609) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= 1 |tgt_ring_exit_~i~3#1|) (< |tgt_ring_exit_~i~3#1| 2147483646))) [2022-11-25 17:00:07,969 INFO L895 garLoopResultBuilder]: At program point L7605(lines 7593 7610) the Hoare annotation is: (and (<= |tgt_ring_exit_~i~3#1| 2147483646) (<= 1 |tgt_ring_exit_~i~3#1|)) [2022-11-25 17:00:07,969 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2022-11-25 17:00:07,969 INFO L899 garLoopResultBuilder]: For program point L7600-1(line 7600) no Hoare annotation was computed. [2022-11-25 17:00:07,969 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2022-11-25 17:00:07,969 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitEXIT(lines 7593 7610) no Hoare annotation was computed. [2022-11-25 17:00:07,970 INFO L899 garLoopResultBuilder]: For program point L7600(line 7600) no Hoare annotation was computed. [2022-11-25 17:00:07,970 INFO L895 garLoopResultBuilder]: At program point L7601(lines 7595 7609) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= |tgt_ring_exit_~i~3#1| 2147483646) (<= 1 |tgt_ring_exit_~i~3#1|))) [2022-11-25 17:00:07,970 INFO L902 garLoopResultBuilder]: At program point tgt_ring_exitENTRY(lines 7593 7610) the Hoare annotation is: true [2022-11-25 17:00:07,970 INFO L895 garLoopResultBuilder]: At program point L8265(lines 8264 8266) the Hoare annotation is: (or (= |tgt_ring_exit_~i~3#1| 0) (and (<= 1 |tgt_ring_exit_~i~3#1|) (< |tgt_ring_exit_~i~3#1| 2147483646))) [2022-11-25 17:00:07,970 INFO L895 garLoopResultBuilder]: At program point L7550(lines 7533 7554) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483646) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) .cse0 (not (<= 1 ~ref_cnt~0)) .cse1 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,971 INFO L902 garLoopResultBuilder]: At program point uspace_ring_mapENTRY(lines 7528 7555) the Hoare annotation is: true [2022-11-25 17:00:07,971 INFO L895 garLoopResultBuilder]: At program point L7546(lines 7533 7554) the Hoare annotation is: (let ((.cse0 (and (<= |uspace_ring_map_~i~2#1| 2147483646) (<= 1 |uspace_ring_map_~i~2#1|))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 .cse1 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse2 (not (<= ~ref_cnt~0 0))) (or (not (= ~ldv_state_variable_1~0 2)) .cse0 (not (<= 1 ~ref_cnt~0)) .cse1 .cse2 (not (<= ~ref_cnt~0 1))))) [2022-11-25 17:00:07,971 INFO L895 garLoopResultBuilder]: At program point L8347(lines 8346 8348) the Hoare annotation is: (let ((.cse0 (and (<= 1 |uspace_ring_map_~i~2#1|) (< |uspace_ring_map_~i~2#1| 2147483646))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 .cse2 (not (<= ~ref_cnt~0 1))) (or .cse0 .cse1 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse2 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,971 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2022-11-25 17:00:07,972 INFO L895 garLoopResultBuilder]: At program point L7548(lines 7533 7554) the Hoare annotation is: (let ((.cse0 (and (<= 1 |uspace_ring_map_~i~2#1|) (< |uspace_ring_map_~i~2#1| 2147483646))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 .cse2 (not (<= ~ref_cnt~0 1))) (or .cse0 .cse1 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse2 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,972 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2022-11-25 17:00:07,972 INFO L899 garLoopResultBuilder]: For program point L7545-1(line 7545) no Hoare annotation was computed. [2022-11-25 17:00:07,972 INFO L899 garLoopResultBuilder]: For program point L7545(line 7545) no Hoare annotation was computed. [2022-11-25 17:00:07,972 INFO L899 garLoopResultBuilder]: For program point L7540(lines 7540 7543) no Hoare annotation was computed. [2022-11-25 17:00:07,973 INFO L895 garLoopResultBuilder]: At program point L8213(lines 8212 8214) the Hoare annotation is: (let ((.cse0 (and (<= 1 |uspace_ring_map_~i~2#1|) (< |uspace_ring_map_~i~2#1| 2147483646))) (.cse1 (= |uspace_ring_map_~i~2#1| 0)) (.cse2 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 .cse2 (not (<= ~ref_cnt~0 1))) (or .cse0 .cse1 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse2 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,973 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapEXIT(lines 7528 7555) no Hoare annotation was computed. [2022-11-25 17:00:07,973 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapFINAL(lines 7528 7555) no Hoare annotation was computed. [2022-11-25 17:00:07,973 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_destroyFINAL(lines 6604 6619) no Hoare annotation was computed. [2022-11-25 17:00:07,973 INFO L902 garLoopResultBuilder]: At program point L8225(lines 8224 8226) the Hoare annotation is: true [2022-11-25 17:00:07,973 INFO L899 garLoopResultBuilder]: For program point L6615-1(line 6615) no Hoare annotation was computed. [2022-11-25 17:00:07,973 INFO L902 garLoopResultBuilder]: At program point L6615(line 6615) the Hoare annotation is: true [2022-11-25 17:00:07,974 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-25 17:00:07,974 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse1 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,974 INFO L899 garLoopResultBuilder]: For program point L6575-1(line 6575) no Hoare annotation was computed. [2022-11-25 17:00:07,974 INFO L902 garLoopResultBuilder]: At program point L6575(line 6575) the Hoare annotation is: true [2022-11-25 17:00:07,974 INFO L902 garLoopResultBuilder]: At program point L6577(lines 6561 6579) the Hoare annotation is: true [2022-11-25 17:00:07,975 INFO L899 garLoopResultBuilder]: For program point L6571-1(line 6571) no Hoare annotation was computed. [2022-11-25 17:00:07,975 INFO L902 garLoopResultBuilder]: At program point L6571(line 6571) the Hoare annotation is: true [2022-11-25 17:00:07,975 INFO L899 garLoopResultBuilder]: For program point L6572-1(line 6572) no Hoare annotation was computed. [2022-11-25 17:00:07,975 INFO L902 garLoopResultBuilder]: At program point L6572(line 6572) the Hoare annotation is: true [2022-11-25 17:00:07,975 INFO L899 garLoopResultBuilder]: For program point L6573-1(line 6573) no Hoare annotation was computed. [2022-11-25 17:00:07,975 INFO L902 garLoopResultBuilder]: At program point L6573(line 6573) the Hoare annotation is: true [2022-11-25 17:00:07,975 INFO L902 garLoopResultBuilder]: At program point L8200(lines 8199 8201) the Hoare annotation is: true [2022-11-25 17:00:07,976 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_cmd_destroyENTRY(lines 6604 6619) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse1 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:07,976 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_destroyEXIT(lines 6604 6619) no Hoare annotation was computed. [2022-11-25 17:00:07,976 INFO L899 garLoopResultBuilder]: For program point L6427-1(line 6427) no Hoare annotation was computed. [2022-11-25 17:00:07,976 INFO L902 garLoopResultBuilder]: At program point L6427(line 6427) the Hoare annotation is: true [2022-11-25 17:00:07,976 INFO L899 garLoopResultBuilder]: For program point L6807(line 6807) no Hoare annotation was computed. [2022-11-25 17:00:07,976 INFO L899 garLoopResultBuilder]: For program point L6940(lines 6940 6944) no Hoare annotation was computed. [2022-11-25 17:00:07,977 INFO L899 garLoopResultBuilder]: For program point L6973-1(line 6973) no Hoare annotation was computed. [2022-11-25 17:00:07,977 INFO L902 garLoopResultBuilder]: At program point L6973(line 6973) the Hoare annotation is: true [2022-11-25 17:00:07,977 INFO L899 garLoopResultBuilder]: For program point L6858(lines 6858 6862) no Hoare annotation was computed. [2022-11-25 17:00:07,977 INFO L899 garLoopResultBuilder]: For program point L7469(line 7469) no Hoare annotation was computed. [2022-11-25 17:00:07,977 INFO L902 garLoopResultBuilder]: At program point L6974(line 6974) the Hoare annotation is: true [2022-11-25 17:00:07,977 INFO L899 garLoopResultBuilder]: For program point L7007-1(line 7007) no Hoare annotation was computed. [2022-11-25 17:00:07,977 INFO L902 garLoopResultBuilder]: At program point L7007(line 7007) the Hoare annotation is: true [2022-11-25 17:00:07,978 INFO L899 garLoopResultBuilder]: For program point L6974-1(line 6974) no Hoare annotation was computed. [2022-11-25 17:00:07,978 INFO L902 garLoopResultBuilder]: At program point L6430(line 6430) the Hoare annotation is: true [2022-11-25 17:00:07,978 INFO L902 garLoopResultBuilder]: At program point L6975-1(line 6975) the Hoare annotation is: true [2022-11-25 17:00:07,978 INFO L902 garLoopResultBuilder]: At program point L6975(line 6975) the Hoare annotation is: true [2022-11-25 17:00:07,978 INFO L899 garLoopResultBuilder]: For program point L7008(lines 7008 7012) no Hoare annotation was computed. [2022-11-25 17:00:07,978 INFO L902 garLoopResultBuilder]: At program point L6810(lines 6797 6812) the Hoare annotation is: true [2022-11-25 17:00:07,978 INFO L899 garLoopResultBuilder]: For program point L6876-1(line 6876) no Hoare annotation was computed. [2022-11-25 17:00:07,979 INFO L902 garLoopResultBuilder]: At program point L6876(line 6876) the Hoare annotation is: true [2022-11-25 17:00:07,979 INFO L902 garLoopResultBuilder]: At program point L6909(lines 6890 6918) the Hoare annotation is: true [2022-11-25 17:00:07,979 INFO L899 garLoopResultBuilder]: For program point L6430-1(line 6430) no Hoare annotation was computed. [2022-11-25 17:00:07,979 INFO L895 garLoopResultBuilder]: At program point tgt_writeENTRY(lines 7481 7500) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_state_variable_0~0 3))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse0 (not (<= ~ref_cnt~0 0)) .cse1) (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 (not (<= ~ref_cnt~0 1)) .cse1))) [2022-11-25 17:00:07,979 INFO L899 garLoopResultBuilder]: For program point L6893-1(line 6893) no Hoare annotation was computed. [2022-11-25 17:00:07,980 INFO L902 garLoopResultBuilder]: At program point L6893(line 6893) the Hoare annotation is: true [2022-11-25 17:00:07,980 INFO L902 garLoopResultBuilder]: At program point L8297(lines 8296 8298) the Hoare annotation is: true [2022-11-25 17:00:07,980 INFO L899 garLoopResultBuilder]: For program point L7488-1(line 7488) no Hoare annotation was computed. [2022-11-25 17:00:07,980 INFO L899 garLoopResultBuilder]: For program point L6431(lines 6431 6435) no Hoare annotation was computed. [2022-11-25 17:00:07,980 INFO L902 garLoopResultBuilder]: At program point L7488(line 7488) the Hoare annotation is: true [2022-11-25 17:00:07,980 INFO L902 garLoopResultBuilder]: At program point L6877(lines 6866 6879) the Hoare annotation is: true [2022-11-25 17:00:07,980 INFO L902 garLoopResultBuilder]: At program point L6431-2(lines 6431 6435) the Hoare annotation is: true [2022-11-25 17:00:07,981 INFO L899 garLoopResultBuilder]: For program point L7059(lines 7059 7063) no Hoare annotation was computed. [2022-11-25 17:00:07,981 INFO L899 garLoopResultBuilder]: For program point L6960-2(lines 6932 6986) no Hoare annotation was computed. [2022-11-25 17:00:07,981 INFO L899 garLoopResultBuilder]: For program point L6960(lines 6960 6963) no Hoare annotation was computed. [2022-11-25 17:00:07,981 INFO L902 garLoopResultBuilder]: At program point L6911(lines 6890 6918) the Hoare annotation is: true [2022-11-25 17:00:07,981 INFO L899 garLoopResultBuilder]: For program point L7489(lines 7489 7492) no Hoare annotation was computed. [2022-11-25 17:00:07,981 INFO L899 garLoopResultBuilder]: For program point L6895-1(line 6895) no Hoare annotation was computed. [2022-11-25 17:00:07,982 INFO L902 garLoopResultBuilder]: At program point L6895(line 6895) the Hoare annotation is: true [2022-11-25 17:00:07,982 INFO L899 garLoopResultBuilder]: For program point L7473(line 7473) no Hoare annotation was computed. [2022-11-25 17:00:07,982 INFO L902 garLoopResultBuilder]: At program point L7490(lines 7485 7499) the Hoare annotation is: true [2022-11-25 17:00:07,982 INFO L899 garLoopResultBuilder]: For program point L6830(lines 6830 6834) no Hoare annotation was computed. [2022-11-25 17:00:07,982 INFO L899 garLoopResultBuilder]: For program point L6896-1(line 6896) no Hoare annotation was computed. [2022-11-25 17:00:07,982 INFO L902 garLoopResultBuilder]: At program point L6863(lines 6842 6865) the Hoare annotation is: true [2022-11-25 17:00:07,982 INFO L902 garLoopResultBuilder]: At program point L6896(line 6896) the Hoare annotation is: true [2022-11-25 17:00:07,983 INFO L899 garLoopResultBuilder]: For program point L6946(lines 6946 6951) no Hoare annotation was computed. [2022-11-25 17:00:07,983 INFO L899 garLoopResultBuilder]: For program point L7458(lines 7458 7476) no Hoare annotation was computed. [2022-11-25 17:00:07,983 INFO L902 garLoopResultBuilder]: At program point L6913(lines 6890 6918) the Hoare annotation is: true [2022-11-25 17:00:07,983 INFO L902 garLoopResultBuilder]: At program point L6451(lines 6448 6453) the Hoare annotation is: true [2022-11-25 17:00:07,983 INFO L902 garLoopResultBuilder]: At program point L6831-1(lines 6818 6840) the Hoare annotation is: true [2022-11-25 17:00:07,983 INFO L902 garLoopResultBuilder]: At program point L6831(line 6831) the Hoare annotation is: true [2022-11-25 17:00:07,984 INFO L899 garLoopResultBuilder]: For program point L7459(line 7459) no Hoare annotation was computed. [2022-11-25 17:00:07,984 INFO L899 garLoopResultBuilder]: For program point L7013(lines 7013 7017) no Hoare annotation was computed. [2022-11-25 17:00:07,984 INFO L899 garLoopResultBuilder]: For program point L6964-1(lines 6964 6981) no Hoare annotation was computed. [2022-11-25 17:00:07,984 INFO L899 garLoopResultBuilder]: For program point L7493-1(line 7493) no Hoare annotation was computed. [2022-11-25 17:00:07,984 INFO L899 garLoopResultBuilder]: For program point L6436(line 6436) no Hoare annotation was computed. [2022-11-25 17:00:07,984 INFO L902 garLoopResultBuilder]: At program point L7493(line 7493) the Hoare annotation is: true [2022-11-25 17:00:07,984 INFO L902 garLoopResultBuilder]: At program point L7477(lines 7456 7479) the Hoare annotation is: true [2022-11-25 17:00:07,985 INFO L899 garLoopResultBuilder]: For program point L6916(line 6916) no Hoare annotation was computed. [2022-11-25 17:00:07,985 INFO L902 garLoopResultBuilder]: At program point L7478(lines 7454 7480) the Hoare annotation is: true [2022-11-25 17:00:07,985 INFO L902 garLoopResultBuilder]: At program point L7065(lines 7051 7068) the Hoare annotation is: true [2022-11-25 17:00:07,985 INFO L899 garLoopResultBuilder]: For program point L6421-1(line 6421) no Hoare annotation was computed. [2022-11-25 17:00:07,985 INFO L902 garLoopResultBuilder]: At program point L6421(line 6421) the Hoare annotation is: true [2022-11-25 17:00:07,985 INFO L902 garLoopResultBuilder]: At program point L6983(lines 6932 6986) the Hoare annotation is: true [2022-11-25 17:00:07,986 INFO L902 garLoopResultBuilder]: At program point L6917(lines 6880 6919) the Hoare annotation is: true [2022-11-25 17:00:07,986 INFO L902 garLoopResultBuilder]: At program point L8255(lines 8254 8256) the Hoare annotation is: true [2022-11-25 17:00:07,986 INFO L899 garLoopResultBuilder]: For program point L7066(line 7066) no Hoare annotation was computed. [2022-11-25 17:00:07,986 INFO L902 garLoopResultBuilder]: At program point L6934(line 6934) the Hoare annotation is: true [2022-11-25 17:00:07,986 INFO L899 garLoopResultBuilder]: For program point L6422(lines 6422 6438) no Hoare annotation was computed. [2022-11-25 17:00:07,986 INFO L899 garLoopResultBuilder]: For program point L6967(lines 6967 6979) no Hoare annotation was computed. [2022-11-25 17:00:07,986 INFO L902 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: true [2022-11-25 17:00:07,987 INFO L899 garLoopResultBuilder]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2022-11-25 17:00:07,987 INFO L899 garLoopResultBuilder]: For program point L6901(lines 6901 6906) no Hoare annotation was computed. [2022-11-25 17:00:07,987 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-11-25 17:00:07,987 INFO L902 garLoopResultBuilder]: At program point L6439(lines 6410 6441) the Hoare annotation is: true [2022-11-25 17:00:07,987 INFO L899 garLoopResultBuilder]: For program point L6984(line 6984) no Hoare annotation was computed. [2022-11-25 17:00:07,987 INFO L902 garLoopResultBuilder]: At program point L7496(lines 7485 7499) the Hoare annotation is: true [2022-11-25 17:00:07,988 INFO L899 garLoopResultBuilder]: For program point tgt_writeFINAL(lines 7481 7500) no Hoare annotation was computed. [2022-11-25 17:00:07,988 INFO L899 garLoopResultBuilder]: For program point L6852-2(lines 6852 6856) no Hoare annotation was computed. [2022-11-25 17:00:07,988 INFO L899 garLoopResultBuilder]: For program point L6852(lines 6852 6856) no Hoare annotation was computed. [2022-11-25 17:00:07,988 INFO L902 garLoopResultBuilder]: At program point L7067(lines 7048 7069) the Hoare annotation is: true [2022-11-25 17:00:07,988 INFO L899 garLoopResultBuilder]: For program point L6423-1(line 6423) no Hoare annotation was computed. [2022-11-25 17:00:07,988 INFO L899 garLoopResultBuilder]: For program point L6935(lines 6935 6939) no Hoare annotation was computed. [2022-11-25 17:00:07,988 INFO L902 garLoopResultBuilder]: At program point L6423(line 6423) the Hoare annotation is: true [2022-11-25 17:00:07,989 INFO L899 garLoopResultBuilder]: For program point tgt_writeEXIT(lines 7481 7500) no Hoare annotation was computed. [2022-11-25 17:00:07,989 INFO L902 garLoopResultBuilder]: At program point L6985(lines 6920 6987) the Hoare annotation is: true [2022-11-25 17:00:07,989 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,989 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-25 17:00:07,989 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,989 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,989 INFO L902 garLoopResultBuilder]: At program point L-1-5(line -1) the Hoare annotation is: true [2022-11-25 17:00:07,990 INFO L902 garLoopResultBuilder]: At program point L6870(line 6870) the Hoare annotation is: true [2022-11-25 17:00:07,990 INFO L899 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,990 INFO L902 garLoopResultBuilder]: At program point L6903(line 6903) the Hoare annotation is: true [2022-11-25 17:00:07,990 INFO L902 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: true [2022-11-25 17:00:07,990 INFO L899 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,990 INFO L899 garLoopResultBuilder]: For program point L-1-10(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,990 INFO L902 garLoopResultBuilder]: At program point L-1-11(line -1) the Hoare annotation is: true [2022-11-25 17:00:07,991 INFO L902 garLoopResultBuilder]: At program point L8340(lines 8339 8341) the Hoare annotation is: true [2022-11-25 17:00:07,991 INFO L899 garLoopResultBuilder]: For program point L-1-12(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,991 INFO L899 garLoopResultBuilder]: For program point L6870-1(line 6870) no Hoare annotation was computed. [2022-11-25 17:00:07,991 INFO L899 garLoopResultBuilder]: For program point L-1-13(line -1) no Hoare annotation was computed. [2022-11-25 17:00:07,991 INFO L902 garLoopResultBuilder]: At program point L7019(lines 7005 7022) the Hoare annotation is: true [2022-11-25 17:00:07,991 INFO L899 garLoopResultBuilder]: For program point L6953(lines 6953 6957) no Hoare annotation was computed. [2022-11-25 17:00:07,991 INFO L899 garLoopResultBuilder]: For program point L7465(line 7465) no Hoare annotation was computed. [2022-11-25 17:00:07,992 INFO L899 garLoopResultBuilder]: For program point L6838(line 6838) no Hoare annotation was computed. [2022-11-25 17:00:07,992 INFO L899 garLoopResultBuilder]: For program point L6871(lines 6871 6874) no Hoare annotation was computed. [2022-11-25 17:00:07,992 INFO L899 garLoopResultBuilder]: For program point L6425-1(line 6425) no Hoare annotation was computed. [2022-11-25 17:00:07,992 INFO L902 garLoopResultBuilder]: At program point L6425(line 6425) the Hoare annotation is: true [2022-11-25 17:00:07,992 INFO L899 garLoopResultBuilder]: For program point L6871-2(lines 6871 6874) no Hoare annotation was computed. [2022-11-25 17:00:07,992 INFO L899 garLoopResultBuilder]: For program point L6805(lines 6805 6809) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L899 garLoopResultBuilder]: For program point L7020(line 7020) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L899 garLoopResultBuilder]: For program point L7053-1(line 7053) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L902 garLoopResultBuilder]: At program point L7053(line 7053) the Hoare annotation is: true [2022-11-25 17:00:07,993 INFO L899 garLoopResultBuilder]: For program point L6822(lines 6822 6827) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L899 garLoopResultBuilder]: For program point L6426(lines 6426 6437) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L899 garLoopResultBuilder]: For program point L6971-1(line 6971) no Hoare annotation was computed. [2022-11-25 17:00:07,993 INFO L902 garLoopResultBuilder]: At program point L6971(line 6971) the Hoare annotation is: true [2022-11-25 17:00:07,994 INFO L899 garLoopResultBuilder]: For program point L6806(line 6806) no Hoare annotation was computed. [2022-11-25 17:00:07,994 INFO L902 garLoopResultBuilder]: At program point L6839(lines 6813 6841) the Hoare annotation is: true [2022-11-25 17:00:07,994 INFO L899 garLoopResultBuilder]: For program point L6426-2(lines 6422 6438) no Hoare annotation was computed. [2022-11-25 17:00:07,994 INFO L899 garLoopResultBuilder]: For program point L6806-2(line 6806) no Hoare annotation was computed. [2022-11-25 17:00:07,994 INFO L899 garLoopResultBuilder]: For program point L7054(lines 7054 7058) no Hoare annotation was computed. [2022-11-25 17:00:07,994 INFO L902 garLoopResultBuilder]: At program point L7021(lines 7002 7023) the Hoare annotation is: true [2022-11-25 17:00:07,994 INFO L899 garLoopResultBuilder]: For program point L7616-1(lines 7616 7617) no Hoare annotation was computed. [2022-11-25 17:00:07,995 INFO L895 garLoopResultBuilder]: At program point L7616(lines 7616 7617) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2022-11-25 17:00:07,995 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initFINAL(lines 7611 7637) no Hoare annotation was computed. [2022-11-25 17:00:07,995 INFO L899 garLoopResultBuilder]: For program point L7627-1(line 7627) no Hoare annotation was computed. [2022-11-25 17:00:07,995 INFO L899 garLoopResultBuilder]: For program point L7627(line 7627) no Hoare annotation was computed. [2022-11-25 17:00:07,995 INFO L895 garLoopResultBuilder]: At program point tgt_ring_initENTRY(lines 7611 7637) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-25 17:00:07,996 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2022-11-25 17:00:07,996 INFO L899 garLoopResultBuilder]: For program point L7615-1(line 7615) no Hoare annotation was computed. [2022-11-25 17:00:07,996 INFO L895 garLoopResultBuilder]: At program point L7615(line 7615) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2022-11-25 17:00:07,996 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initEXIT(lines 7611 7637) no Hoare annotation was computed. [2022-11-25 17:00:07,996 INFO L895 garLoopResultBuilder]: At program point L7630(lines 7614 7636) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (and (<= 1 |tgt_ring_init_~i~4#1|) (< |tgt_ring_init_~i~4#1| 2147483646)) (not (= ~ldv_state_variable_0~0 1)) (= |tgt_ring_init_~i~4#1| 0)) [2022-11-25 17:00:07,997 INFO L895 garLoopResultBuilder]: At program point L8272(lines 8271 8273) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (and (<= 1 |tgt_ring_init_~i~4#1|) (< |tgt_ring_init_~i~4#1| 2147483646)) (not (= ~ldv_state_variable_0~0 1)) (= |tgt_ring_init_~i~4#1| 0)) [2022-11-25 17:00:07,997 INFO L895 garLoopResultBuilder]: At program point L7632(lines 7614 7636) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483646) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1))) [2022-11-25 17:00:07,997 INFO L895 garLoopResultBuilder]: At program point L7628(lines 7614 7636) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (and (<= |tgt_ring_init_~i~4#1| 2147483646) (<= 1 |tgt_ring_init_~i~4#1|)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |tgt_ring_init_~i~4#1| 0)) (not (= ~ldv_state_variable_0~0 1))) [2022-11-25 17:00:07,997 INFO L899 garLoopResultBuilder]: For program point L7622(lines 7622 7626) no Hoare annotation was computed. [2022-11-25 17:00:07,997 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2022-11-25 17:00:07,998 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7842 7847) no Hoare annotation was computed. [2022-11-25 17:00:07,998 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7842 7847) the Hoare annotation is: true [2022-11-25 17:00:07,998 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7842 7847) no Hoare annotation was computed. [2022-11-25 17:00:07,998 INFO L899 garLoopResultBuilder]: For program point list_delFINAL(lines 8290 8292) no Hoare annotation was computed. [2022-11-25 17:00:07,998 INFO L899 garLoopResultBuilder]: For program point list_delEXIT(lines 8290 8292) no Hoare annotation was computed. [2022-11-25 17:00:07,998 INFO L902 garLoopResultBuilder]: At program point list_delENTRY(lines 8290 8292) the Hoare annotation is: true [2022-11-25 17:00:07,999 INFO L902 garLoopResultBuilder]: At program point kmem_cache_freeENTRY(lines 8283 8285) the Hoare annotation is: true [2022-11-25 17:00:07,999 INFO L899 garLoopResultBuilder]: For program point kmem_cache_freeEXIT(lines 8283 8285) no Hoare annotation was computed. [2022-11-25 17:00:07,999 INFO L899 garLoopResultBuilder]: For program point kmem_cache_freeFINAL(lines 8283 8285) no Hoare annotation was computed. [2022-11-25 17:00:07,999 INFO L899 garLoopResultBuilder]: For program point tgt_head_eventFINAL(lines 7292 7300) no Hoare annotation was computed. [2022-11-25 17:00:07,999 INFO L899 garLoopResultBuilder]: For program point tgt_head_eventEXIT(lines 7292 7300) no Hoare annotation was computed. [2022-11-25 17:00:07,999 INFO L902 garLoopResultBuilder]: At program point tgt_head_eventENTRY(lines 7292 7300) the Hoare annotation is: true [2022-11-25 17:00:07,999 INFO L899 garLoopResultBuilder]: For program point L7519(line 7519) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7521-2(line 7521) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7521(line 7521) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7261-2(lines 7261 7266) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7261(lines 7261 7263) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7521-4(line 7521) no Hoare annotation was computed. [2022-11-25 17:00:08,000 INFO L899 garLoopResultBuilder]: For program point L7513-1(line 7513) no Hoare annotation was computed. [2022-11-25 17:00:08,001 INFO L902 garLoopResultBuilder]: At program point L7261-4(lines 7257 7269) the Hoare annotation is: true [2022-11-25 17:00:08,001 INFO L902 garLoopResultBuilder]: At program point L7513(line 7513) the Hoare annotation is: true [2022-11-25 17:00:08,001 INFO L902 garLoopResultBuilder]: At program point tgt_pollENTRY(lines 7501 7527) the Hoare annotation is: true [2022-11-25 17:00:08,001 INFO L899 garLoopResultBuilder]: For program point L7524(line 7524) no Hoare annotation was computed. [2022-11-25 17:00:08,001 INFO L902 garLoopResultBuilder]: At program point L7520-2(lines 7520 7523) the Hoare annotation is: true [2022-11-25 17:00:08,001 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,001 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7523) no Hoare annotation was computed. [2022-11-25 17:00:08,002 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7518) no Hoare annotation was computed. [2022-11-25 17:00:08,002 INFO L899 garLoopResultBuilder]: For program point L7512-1(line 7512) no Hoare annotation was computed. [2022-11-25 17:00:08,002 INFO L902 garLoopResultBuilder]: At program point L7512(line 7512) the Hoare annotation is: true [2022-11-25 17:00:08,002 INFO L902 garLoopResultBuilder]: At program point L7514-2(lines 7514 7518) the Hoare annotation is: true [2022-11-25 17:00:08,002 INFO L899 garLoopResultBuilder]: For program point tgt_pollEXIT(lines 7501 7527) no Hoare annotation was computed. [2022-11-25 17:00:08,002 INFO L899 garLoopResultBuilder]: For program point tgt_pollFINAL(lines 7501 7527) no Hoare annotation was computed. [2022-11-25 17:00:08,003 INFO L899 garLoopResultBuilder]: For program point scsi_unmap_user_pagesFINAL(lines 6597 6603) no Hoare annotation was computed. [2022-11-25 17:00:08,003 INFO L902 garLoopResultBuilder]: At program point scsi_unmap_user_pagesENTRY(lines 6597 6603) the Hoare annotation is: true [2022-11-25 17:00:08,003 INFO L899 garLoopResultBuilder]: For program point scsi_unmap_user_pagesEXIT(lines 6597 6603) no Hoare annotation was computed. [2022-11-25 17:00:08,003 INFO L902 garLoopResultBuilder]: At program point L8259(lines 8258 8260) the Hoare annotation is: true [2022-11-25 17:00:08,003 INFO L899 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveFINAL(lines 8235 8237) no Hoare annotation was computed. [2022-11-25 17:00:08,003 INFO L899 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveEXIT(lines 8235 8237) no Hoare annotation was computed. [2022-11-25 17:00:08,003 INFO L902 garLoopResultBuilder]: At program point _raw_spin_lock_irqsaveENTRY(lines 8235 8237) the Hoare annotation is: true [2022-11-25 17:00:08,004 INFO L902 garLoopResultBuilder]: At program point scsi_host_putENTRY(lines 8335 8337) the Hoare annotation is: true [2022-11-25 17:00:08,004 INFO L899 garLoopResultBuilder]: For program point scsi_host_putFINAL(lines 8335 8337) no Hoare annotation was computed. [2022-11-25 17:00:08,004 INFO L899 garLoopResultBuilder]: For program point scsi_host_putEXIT(lines 8335 8337) no Hoare annotation was computed. [2022-11-25 17:00:08,004 INFO L899 garLoopResultBuilder]: For program point hash_64EXIT(lines 6456 6476) no Hoare annotation was computed. [2022-11-25 17:00:08,004 INFO L902 garLoopResultBuilder]: At program point hash_64ENTRY(lines 6456 6476) the Hoare annotation is: true [2022-11-25 17:00:08,004 INFO L899 garLoopResultBuilder]: For program point hash_64FINAL(lines 6456 6476) no Hoare annotation was computed. [2022-11-25 17:00:08,005 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,005 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-25 17:00:08,005 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,005 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7849 7854) no Hoare annotation was computed. [2022-11-25 17:00:08,005 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7849 7854) the Hoare annotation is: true [2022-11-25 17:00:08,005 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7849 7854) no Hoare annotation was computed. [2022-11-25 17:00:08,006 INFO L895 garLoopResultBuilder]: At program point tgt_openENTRY(lines 7580 7587) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or .cse0 (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse1 (not (<= ~ref_cnt~0 1))) (or .cse0 (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:08,006 INFO L899 garLoopResultBuilder]: For program point tgt_openFINAL(lines 7580 7587) no Hoare annotation was computed. [2022-11-25 17:00:08,006 INFO L899 garLoopResultBuilder]: For program point tgt_openEXIT(lines 7580 7587) no Hoare annotation was computed. [2022-11-25 17:00:08,006 INFO L895 garLoopResultBuilder]: At program point scsi_host_lookupENTRY(lines 8332 8334) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 (not (<= ~ref_cnt~0 1))) (or (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse0 .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:08,006 INFO L899 garLoopResultBuilder]: For program point scsi_host_lookupFINAL(lines 8332 8334) no Hoare annotation was computed. [2022-11-25 17:00:08,007 INFO L899 garLoopResultBuilder]: For program point L8333-1(line 8333) no Hoare annotation was computed. [2022-11-25 17:00:08,007 INFO L895 garLoopResultBuilder]: At program point L8333(line 8333) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse1 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 (not (<= ~ref_cnt~0 1))) (or (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse0 .cse1 (not (<= ~ref_cnt~0 0))))) [2022-11-25 17:00:08,007 INFO L899 garLoopResultBuilder]: For program point scsi_host_lookupEXIT(lines 8332 8334) no Hoare annotation was computed. [2022-11-25 17:00:08,007 INFO L902 garLoopResultBuilder]: At program point tgt_mmapENTRY(lines 7556 7579) the Hoare annotation is: true [2022-11-25 17:00:08,007 INFO L899 garLoopResultBuilder]: For program point L7576-1(line 7576) no Hoare annotation was computed. [2022-11-25 17:00:08,008 INFO L902 garLoopResultBuilder]: At program point L7576(line 7576) the Hoare annotation is: true [2022-11-25 17:00:08,008 INFO L899 garLoopResultBuilder]: For program point L7571-1(line 7571) no Hoare annotation was computed. [2022-11-25 17:00:08,008 INFO L899 garLoopResultBuilder]: For program point tgt_mmapEXIT(lines 7556 7579) no Hoare annotation was computed. [2022-11-25 17:00:08,008 INFO L902 garLoopResultBuilder]: At program point L7571(line 7571) the Hoare annotation is: true [2022-11-25 17:00:08,008 INFO L899 garLoopResultBuilder]: For program point L7572(lines 7572 7575) no Hoare annotation was computed. [2022-11-25 17:00:08,008 INFO L899 garLoopResultBuilder]: For program point tgt_mmapFINAL(lines 7556 7579) no Hoare annotation was computed. [2022-11-25 17:00:08,008 INFO L899 garLoopResultBuilder]: For program point L7564(lines 7564 7569) no Hoare annotation was computed. [2022-11-25 17:00:08,009 INFO L899 garLoopResultBuilder]: For program point L7560(lines 7560 7563) no Hoare annotation was computed. [2022-11-25 17:00:08,009 INFO L902 garLoopResultBuilder]: At program point scsi_release_buffersENTRY(lines 8342 8344) the Hoare annotation is: true [2022-11-25 17:00:08,009 INFO L899 garLoopResultBuilder]: For program point scsi_release_buffersFINAL(lines 8342 8344) no Hoare annotation was computed. [2022-11-25 17:00:08,009 INFO L899 garLoopResultBuilder]: For program point scsi_release_buffersEXIT(lines 8342 8344) no Hoare annotation was computed. [2022-11-25 17:00:08,009 INFO L899 garLoopResultBuilder]: For program point kmem_cache_destroyEXIT(lines 8280 8282) no Hoare annotation was computed. [2022-11-25 17:00:08,009 INFO L902 garLoopResultBuilder]: At program point kmem_cache_destroyENTRY(lines 8280 8282) the Hoare annotation is: true [2022-11-25 17:00:08,010 INFO L899 garLoopResultBuilder]: For program point kmem_cache_destroyFINAL(lines 8280 8282) no Hoare annotation was computed. [2022-11-25 17:00:08,010 INFO L902 garLoopResultBuilder]: At program point L8239(lines 8238 8240) the Hoare annotation is: true [2022-11-25 17:00:08,010 INFO L902 garLoopResultBuilder]: At program point spin_unlock_irqrestoreENTRY(lines 6348 6354) the Hoare annotation is: true [2022-11-25 17:00:08,010 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 6348 6354) no Hoare annotation was computed. [2022-11-25 17:00:08,010 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 6348 6354) no Hoare annotation was computed. [2022-11-25 17:00:08,011 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 6377 6386) the Hoare annotation is: (let ((.cse1 (not (= ~ldv_state_variable_0~0 3))) (.cse0 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)))) (and (or (not (= ~ldv_state_variable_1~0 2)) (not (<= 1 ~ref_cnt~0)) .cse0 .cse1 (not (<= ~ref_cnt~0 1))) (or (not (<= 0 ~ref_cnt~0)) (not (= ~ldv_state_variable_1~0 1)) .cse0 .cse1 (not (<= ~ref_cnt~0 0))) (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_retval_1~0 0)) (not (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) .cse0))) [2022-11-25 17:00:08,011 INFO L899 garLoopResultBuilder]: For program point L6369(lines 6369 6371) no Hoare annotation was computed. [2022-11-25 17:00:08,011 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 6377 6386) no Hoare annotation was computed. [2022-11-25 17:00:08,011 INFO L899 garLoopResultBuilder]: For program point L6379(lines 6379 6385) no Hoare annotation was computed. [2022-11-25 17:00:08,011 INFO L902 garLoopResultBuilder]: At program point L6375(lines 6373 6376) the Hoare annotation is: true [2022-11-25 17:00:08,011 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 6377 6386) no Hoare annotation was computed. [2022-11-25 17:00:08,012 INFO L899 garLoopResultBuilder]: For program point L6370(line 6370) no Hoare annotation was computed. [2022-11-25 17:00:08,012 INFO L899 garLoopResultBuilder]: For program point destroy_workqueueFINAL(lines 8261 8263) no Hoare annotation was computed. [2022-11-25 17:00:08,012 INFO L899 garLoopResultBuilder]: For program point destroy_workqueueEXIT(lines 8261 8263) no Hoare annotation was computed. [2022-11-25 17:00:08,012 INFO L902 garLoopResultBuilder]: At program point destroy_workqueueENTRY(lines 8261 8263) the Hoare annotation is: true [2022-11-25 17:00:08,012 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 8231 8233) no Hoare annotation was computed. [2022-11-25 17:00:08,012 INFO L902 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 8231 8233) the Hoare annotation is: true [2022-11-25 17:00:08,013 INFO L899 garLoopResultBuilder]: For program point _copy_from_userFINAL(lines 8231 8233) no Hoare annotation was computed. [2022-11-25 17:00:08,013 INFO L902 garLoopResultBuilder]: At program point L8206(lines 8205 8207) the Hoare annotation is: true [2022-11-25 17:00:08,013 INFO L902 garLoopResultBuilder]: At program point list_addENTRY(lines 6292 6298) the Hoare annotation is: true [2022-11-25 17:00:08,013 INFO L899 garLoopResultBuilder]: For program point list_addFINAL(lines 6292 6298) no Hoare annotation was computed. [2022-11-25 17:00:08,013 INFO L899 garLoopResultBuilder]: For program point list_addEXIT(lines 6292 6298) no Hoare annotation was computed. [2022-11-25 17:00:08,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2022-11-25 17:00:08,014 INFO L899 garLoopResultBuilder]: For program point L7137(lines 7137 7142) no Hoare annotation was computed. [2022-11-25 17:00:08,014 INFO L899 garLoopResultBuilder]: For program point L7699-1(line 7699) no Hoare annotation was computed. [2022-11-25 17:00:08,014 INFO L895 garLoopResultBuilder]: At program point L7699(line 7699) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-11-25 17:00:08,014 INFO L895 garLoopResultBuilder]: At program point L7650(line 7650) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,014 INFO L899 garLoopResultBuilder]: For program point L7716(line 7716) no Hoare annotation was computed. [2022-11-25 17:00:08,014 INFO L899 garLoopResultBuilder]: For program point L7105-1(line 7105) no Hoare annotation was computed. [2022-11-25 17:00:08,015 INFO L902 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: true [2022-11-25 17:00:08,015 INFO L899 garLoopResultBuilder]: For program point L7650-1(line 7650) no Hoare annotation was computed. [2022-11-25 17:00:08,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,015 INFO L895 garLoopResultBuilder]: At program point L8278(line 8278) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,015 INFO L895 garLoopResultBuilder]: At program point L7667(lines 7649 7671) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0))) (.cse3 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 0) .cse3) (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 1) .cse3))) [2022-11-25 17:00:08,016 INFO L895 garLoopResultBuilder]: At program point L8278-2(lines 8277 8279) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L8278-1(line 8278) no Hoare annotation was computed. [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L7750(line 7750) no Hoare annotation was computed. [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L7717-2(lines 7691 7756) no Hoare annotation was computed. [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L7651(lines 7651 7654) no Hoare annotation was computed. [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L7717(lines 7717 7721) no Hoare annotation was computed. [2022-11-25 17:00:08,016 INFO L899 garLoopResultBuilder]: For program point L7750-1(line 7750) no Hoare annotation was computed. [2022-11-25 17:00:08,017 INFO L899 garLoopResultBuilder]: For program point L7090(lines 7090 7093) no Hoare annotation was computed. [2022-11-25 17:00:08,017 INFO L895 garLoopResultBuilder]: At program point L7718(line 7718) the Hoare annotation is: (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-11-25 17:00:08,017 INFO L895 garLoopResultBuilder]: At program point L7107-1(lines 7102 7110) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-11-25 17:00:08,017 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-11-25 17:00:08,017 INFO L899 garLoopResultBuilder]: For program point L7718-1(line 7718) no Hoare annotation was computed. [2022-11-25 17:00:08,017 INFO L902 garLoopResultBuilder]: At program point L7173(lines 7115 7175) the Hoare annotation is: true [2022-11-25 17:00:08,018 INFO L899 garLoopResultBuilder]: For program point L7735(line 7735) no Hoare annotation was computed. [2022-11-25 17:00:08,018 INFO L895 garLoopResultBuilder]: At program point L7091(lines 7075 7100) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0))) (.cse3 (not (= |ULTIMATE.start_scsi_tgt_if_init_#res#1| 0))) (.cse4 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse5 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_1~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~ldv_state_variable_1~0 1) .cse5))) [2022-11-25 17:00:08,018 INFO L899 garLoopResultBuilder]: For program point L7669(line 7669) no Hoare annotation was computed. [2022-11-25 17:00:08,018 INFO L899 garLoopResultBuilder]: For program point L8181(lines 8181 8184) no Hoare annotation was computed. [2022-11-25 17:00:08,018 INFO L895 garLoopResultBuilder]: At program point L7670(lines 7647 7672) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_scsi_tgt_if_init_#res#1| 0)) (.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0))) (.cse5 (= ~ldv_state_variable_1~0 1)) (.cse4 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2 (not .cse3) (= ~ldv_state_variable_1~0 0) .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse4))) [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L7736(lines 7736 7744) no Hoare annotation was computed. [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L7125(lines 7125 7168) no Hoare annotation was computed. [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L7126(line 7126) no Hoare annotation was computed. [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L8183-1(lines 8180 8194) no Hoare annotation was computed. [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L7159(line 7159) no Hoare annotation was computed. [2022-11-25 17:00:08,019 INFO L902 garLoopResultBuilder]: At program point L8183(line 8183) the Hoare annotation is: true [2022-11-25 17:00:08,019 INFO L899 garLoopResultBuilder]: For program point L7704(line 7704) no Hoare annotation was computed. [2022-11-25 17:00:08,020 INFO L899 garLoopResultBuilder]: For program point L7737-1(line 7737) no Hoare annotation was computed. [2022-11-25 17:00:08,020 INFO L895 garLoopResultBuilder]: At program point L7737(line 7737) the Hoare annotation is: (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-11-25 17:00:08,020 INFO L899 garLoopResultBuilder]: For program point L7754(line 7754) no Hoare annotation was computed. [2022-11-25 17:00:08,020 INFO L899 garLoopResultBuilder]: For program point L7655-1(line 7655) no Hoare annotation was computed. [2022-11-25 17:00:08,020 INFO L895 garLoopResultBuilder]: At program point L7655(line 7655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,020 INFO L899 garLoopResultBuilder]: For program point L7077(lines 7077 7080) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7738(lines 7738 7742) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7127(lines 7127 7130) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7705-2(lines 7691 7756) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7705(lines 7705 7709) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7144(line 7144) no Hoare annotation was computed. [2022-11-25 17:00:08,021 INFO L899 garLoopResultBuilder]: For program point L7656(lines 7656 7659) no Hoare annotation was computed. [2022-11-25 17:00:08,022 INFO L895 garLoopResultBuilder]: At program point L7838(lines 7831 7840) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2022-11-25 17:00:08,022 INFO L895 garLoopResultBuilder]: At program point L7706(line 7706) the Hoare annotation is: (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-11-25 17:00:08,022 INFO L899 garLoopResultBuilder]: For program point L7706-1(line 7706) no Hoare annotation was computed. [2022-11-25 17:00:08,022 INFO L899 garLoopResultBuilder]: For program point L7723-1(line 7723) no Hoare annotation was computed. [2022-11-25 17:00:08,022 INFO L895 garLoopResultBuilder]: At program point L7723(line 7723) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-11-25 17:00:08,023 INFO L902 garLoopResultBuilder]: At program point L8301(lines 8300 8302) the Hoare annotation is: true [2022-11-25 17:00:08,023 INFO L899 garLoopResultBuilder]: For program point L7145(lines 7145 7157) no Hoare annotation was computed. [2022-11-25 17:00:08,023 INFO L899 garLoopResultBuilder]: For program point L7740-1(line 7740) no Hoare annotation was computed. [2022-11-25 17:00:08,023 INFO L899 garLoopResultBuilder]: For program point L7740(line 7740) no Hoare annotation was computed. [2022-11-25 17:00:08,023 INFO L902 garLoopResultBuilder]: At program point L7641-1(line 7641) the Hoare annotation is: true [2022-11-25 17:00:08,023 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7075 7100) the Hoare annotation is: (let ((.cse1 (= ~ldv_retval_1~0 0)) (.cse2 (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0))) (.cse3 (not (= |ULTIMATE.start_scsi_tgt_if_init_#res#1| 0))) (.cse4 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse5 (= ~ref_cnt~0 0)) (.cse0 (= ~ldv_state_variable_0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_1~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~ldv_state_variable_1~0 1) .cse5) (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_~err~11#1| 12) 0)))) [2022-11-25 17:00:08,024 INFO L902 garLoopResultBuilder]: At program point L7641(line 7641) the Hoare annotation is: true [2022-11-25 17:00:08,024 INFO L899 garLoopResultBuilder]: For program point L7691(lines 7691 7756) no Hoare annotation was computed. [2022-11-25 17:00:08,024 INFO L895 garLoopResultBuilder]: At program point L7757(lines 7687 7760) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3))) (or (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) .cse0) (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) .cse0 (<= ~ref_cnt~0 1)))) [2022-11-25 17:00:08,024 INFO L895 garLoopResultBuilder]: At program point L8319(lines 8318 8320) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-11-25 17:00:08,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point L7642(line 7642) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point L8187-1(lines 8180 8194) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L902 garLoopResultBuilder]: At program point L8187(line 8187) the Hoare annotation is: true [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point L7147(lines 7147 7150) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point L7692(line 7692) no Hoare annotation was computed. [2022-11-25 17:00:08,025 INFO L899 garLoopResultBuilder]: For program point L7147-2(lines 7145 7156) no Hoare annotation was computed. [2022-11-25 17:00:08,026 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2022-11-25 17:00:08,026 INFO L899 garLoopResultBuilder]: For program point L7098(line 7098) no Hoare annotation was computed. [2022-11-25 17:00:08,026 INFO L899 garLoopResultBuilder]: For program point L7693-2(lines 7691 7756) no Hoare annotation was computed. [2022-11-25 17:00:08,026 INFO L899 garLoopResultBuilder]: For program point L7693(lines 7693 7697) no Hoare annotation was computed. [2022-11-25 17:00:08,026 INFO L895 garLoopResultBuilder]: At program point L8288(lines 8287 8289) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-11-25 17:00:08,027 INFO L895 garLoopResultBuilder]: At program point L7099(lines 7070 7101) the Hoare annotation is: (let ((.cse3 (= ~ldv_state_variable_1~0 0)) (.cse5 (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0))) (.cse6 (not (= |ULTIMATE.start_scsi_tgt_if_init_#res#1| 0))) (.cse7 (not (= |ULTIMATE.start_scsi_tgt_init_~err~11#1| 0))) (.cse8 (= ~ldv_state_variable_1~0 1)) (.cse4 (= ~ref_cnt~0 0)) (.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= |ULTIMATE.start_scsi_tgt_init_#res#1| 0)) (.cse2 (= ~ldv_retval_1~0 0))) (or (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_#res#1| 12) 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse3 .cse7 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse4) (and .cse0 .cse1 .cse2 (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (<= ~ref_cnt~0 1)))) [2022-11-25 17:00:08,027 INFO L899 garLoopResultBuilder]: For program point L7132(line 7132) no Hoare annotation was computed. [2022-11-25 17:00:08,027 INFO L895 garLoopResultBuilder]: At program point L7644(lines 7638 7646) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-11-25 17:00:08,027 INFO L895 garLoopResultBuilder]: At program point L7694(line 7694) the Hoare annotation is: (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) (= ~ldv_state_variable_0~0 3)) [2022-11-25 17:00:08,027 INFO L895 garLoopResultBuilder]: At program point L8305(lines 8304 8306) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,027 INFO L899 garLoopResultBuilder]: For program point L7694-1(line 7694) no Hoare annotation was computed. [2022-11-25 17:00:08,028 INFO L899 garLoopResultBuilder]: For program point L7661(lines 7661 7664) no Hoare annotation was computed. [2022-11-25 17:00:08,028 INFO L899 garLoopResultBuilder]: For program point L7711-1(line 7711) no Hoare annotation was computed. [2022-11-25 17:00:08,028 INFO L899 garLoopResultBuilder]: For program point L7166(line 7166) no Hoare annotation was computed. [2022-11-25 17:00:08,028 INFO L895 garLoopResultBuilder]: At program point L7711(line 7711) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (= ~ldv_state_variable_0~0 3) (<= ~ref_cnt~0 1)) [2022-11-25 17:00:08,028 INFO L899 garLoopResultBuilder]: For program point L7133(lines 7133 7164) no Hoare annotation was computed. [2022-11-25 17:00:08,028 INFO L895 garLoopResultBuilder]: At program point L7662(lines 7649 7671) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) (not (= |ULTIMATE.start_scsi_tgt_if_init_~err~20#1| 0)) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,029 INFO L899 garLoopResultBuilder]: For program point L7728(line 7728) no Hoare annotation was computed. [2022-11-25 17:00:08,029 INFO L899 garLoopResultBuilder]: For program point L7084(lines 7084 7088) no Hoare annotation was computed. [2022-11-25 17:00:08,029 INFO L902 garLoopResultBuilder]: At program point L8191-1(lines 8178 8195) the Hoare annotation is: true [2022-11-25 17:00:08,029 INFO L902 garLoopResultBuilder]: At program point L8191(line 8191) the Hoare annotation is: true [2022-11-25 17:00:08,029 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:00:08,029 INFO L895 garLoopResultBuilder]: At program point L7828(lines 7821 7830) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-11-25 17:00:08,030 INFO L895 garLoopResultBuilder]: At program point L8175(lines 8169 8177) the Hoare annotation is: (and (= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-11-25 17:00:08,030 INFO L899 garLoopResultBuilder]: For program point L7729(lines 7729 7733) no Hoare annotation was computed. [2022-11-25 17:00:08,030 INFO L899 garLoopResultBuilder]: For program point L7746(line 7746) no Hoare annotation was computed. [2022-11-25 17:00:08,030 INFO L899 garLoopResultBuilder]: For program point L7135(lines 7135 7161) no Hoare annotation was computed. [2022-11-25 17:00:08,030 INFO L899 garLoopResultBuilder]: For program point L7747(lines 7747 7752) no Hoare annotation was computed. [2022-11-25 17:00:08,030 INFO L899 garLoopResultBuilder]: For program point L7136(line 7136) no Hoare annotation was computed. [2022-11-25 17:00:08,031 INFO L895 garLoopResultBuilder]: At program point L7169(lines 7118 7174) the Hoare annotation is: (let ((.cse2 (= ~ldv_state_variable_0~0 3)) (.cse0 (= ~ldv_state_variable_1~0 0)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= ~ref_cnt~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 1) .cse2) (and (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) .cse2 (<= ~ref_cnt~0 1)) (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_1~0 0) .cse0 .cse1))) [2022-11-25 17:00:08,031 INFO L902 garLoopResultBuilder]: At program point L7153(lines 7118 7174) the Hoare annotation is: true [2022-11-25 17:00:08,031 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_cmd_to_hostENTRY(lines 6765 6771) the Hoare annotation is: true [2022-11-25 17:00:08,031 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_to_hostFINAL(lines 6765 6771) no Hoare annotation was computed. [2022-11-25 17:00:08,031 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_to_hostEXIT(lines 6765 6771) no Hoare annotation was computed. [2022-11-25 17:00:08,031 INFO L902 garLoopResultBuilder]: At program point spinlock_checkENTRY(lines 6342 6347) the Hoare annotation is: true [2022-11-25 17:00:08,031 INFO L899 garLoopResultBuilder]: For program point spinlock_checkEXIT(lines 6342 6347) no Hoare annotation was computed. [2022-11-25 17:00:08,032 INFO L899 garLoopResultBuilder]: For program point spinlock_checkFINAL(lines 6342 6347) no Hoare annotation was computed. [2022-11-25 17:00:08,035 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:08,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:00:08,074 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,082 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,082 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,083 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,083 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,084 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,085 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,085 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:00:08 BoogieIcfgContainer [2022-11-25 17:00:08,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:00:08,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:00:08,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:00:08,121 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:00:08,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:04" (3/4) ... [2022-11-25 17:00:08,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:00:08,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_idx_inc [2022-11-25 17:00:08,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2022-11-25 17:00:08,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_exit [2022-11-25 17:00:08,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uspace_ring_map [2022-11-25 17:00:08,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_destroy [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_write [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_init [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_free [2022-11-25 17:00:08,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_head_event [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_poll [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_unmap_user_pages [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_put [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_64 [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2022-11-25 17:00:08,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_open [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_lookup [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_mmap [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_release_buffers [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_destroy [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-25 17:00:08,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-25 17:00:08,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2022-11-25 17:00:08,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-11-25 17:00:08,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2022-11-25 17:00:08,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_to_host [2022-11-25 17:00:08,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2022-11-25 17:00:08,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2022-11-25 17:00:08,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-11-25 17:00:08,172 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 17:00:08,174 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 17:00:08,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:00:08,178 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:00:08,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || (ldv_state_variable_0 == 1 && err + 12 <= 0) [2022-11-25 17:00:08,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_state_variable_0 == 1 && \result + 12 <= 0) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 0) && ref_cnt == 0)) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0)) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || (((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ref_cnt <= 1) [2022-11-25 17:00:08,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && ref_cnt == 0) || ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && \result == 0)) || ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0) [2022-11-25 17:00:08,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0) [2022-11-25 17:00:08,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(ldv_state_variable_1 == 0) || (i <= 2147483646 && 1 <= i)) || !(ldv_retval_1 == 0)) || !(ref_cnt == 0)) || (((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && i == 0)) || !(ldv_state_variable_0 == 1) [2022-11-25 17:00:08,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:00:08,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:00:08,375 INFO L158 Benchmark]: Toolchain (without parser) took 68280.93ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 155.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 683.4MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,376 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:08,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2483.90ms. Allocated memory is still 192.9MB. Free memory was 155.8MB in the beginning and 122.1MB in the end (delta: 33.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.53ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 113.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,377 INFO L158 Benchmark]: Boogie Preprocessor took 95.17ms. Allocated memory is still 192.9MB. Free memory was 113.7MB in the beginning and 105.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,379 INFO L158 Benchmark]: RCFGBuilder took 1955.10ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 105.3MB in the beginning and 211.0MB in the end (delta: -105.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,380 INFO L158 Benchmark]: TraceAbstraction took 63285.70ms. Allocated memory was 281.0MB in the beginning and 1.1GB in the end (delta: 805.3MB). Free memory was 210.3MB in the beginning and 368.0MB in the end (delta: -157.7MB). Peak memory consumption was 663.7MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,380 INFO L158 Benchmark]: Witness Printer took 279.30ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 218.1MB). Free memory was 368.0MB in the beginning and 1.2GB in the end (delta: -841.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2483.90ms. Allocated memory is still 192.9MB. Free memory was 155.8MB in the beginning and 122.1MB in the end (delta: 33.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.53ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 113.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.17ms. Allocated memory is still 192.9MB. Free memory was 113.7MB in the beginning and 105.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1955.10ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 105.3MB in the beginning and 211.0MB in the end (delta: -105.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * TraceAbstraction took 63285.70ms. Allocated memory was 281.0MB in the beginning and 1.1GB in the end (delta: 805.3MB). Free memory was 210.3MB in the beginning and 368.0MB in the end (delta: -157.7MB). Peak memory consumption was 663.7MB. Max. memory is 16.1GB. * Witness Printer took 279.30ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 218.1MB). Free memory was 368.0MB in the beginning and 1.2GB in the end (delta: -841.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 393 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 63.1s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13776 SdHoareTripleChecker+Valid, 20.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12822 mSDsluCounter, 35747 SdHoareTripleChecker+Invalid, 17.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24362 mSDsCounter, 4568 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13346 IncrementalHoareTripleChecker+Invalid, 17914 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4568 mSolverCounterUnsat, 11385 mSDtfsCounter, 13346 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1762 GetRequests, 1591 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3534occurred in iteration=20, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 25 MinimizatonAttempts, 12920 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 156 LocationsWithAnnotation, 13207 PreInvPairs, 13556 NumberOfFragments, 1693 HoareAnnotationTreeSize, 13207 FomulaSimplifications, 549058 FormulaSimplificationTreeSizeReduction, 9.2s HoareSimplificationTime, 156 FomulaSimplificationsInter, 86416 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 3282 NumberOfCodeBlocks, 3282 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 3565 ConstructedInterpolants, 0 QuantifiedInterpolants, 6015 SizeOfPredicates, 4 NumberOfNonLiveVariables, 10908 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 41 InterpolantComputations, 21 PerfectInterpolantSequences, 1737/1864 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 7595]: Loop Invariant Derived loop invariant: i == 0 || (1 <= i && i < 2147483646) - InvariantResult [Line: 7533]: Loop Invariant Derived loop invariant: ((((((i <= 2147483646 && 1 <= i) || i == 0) || !(0 <= ref_cnt)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 0)) && (((((!(ldv_state_variable_1 == 2) || (i <= 2147483646 && 1 <= i)) || !(1 <= ref_cnt)) || i == 0) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) - InvariantResult [Line: 8169]: Loop Invariant Derived loop invariant: (ldv_retval_1 == 0 && ldv_state_variable_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 8346]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(1 <= ref_cnt)) || (1 <= i && i < 2147483646)) || i == 0) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) && ((((((1 <= i && i < 2147483646) || i == 0) || !(0 <= ref_cnt)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 0)) - InvariantResult [Line: 8212]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(1 <= ref_cnt)) || (1 <= i && i < 2147483646)) || i == 0) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) && ((((((1 <= i && i < 2147483646) || i == 0) || !(0 <= ref_cnt)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 0)) - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8264]: Loop Invariant Derived loop invariant: i == 0 || (1 <= i && i < 2147483646) - InvariantResult [Line: 6932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7533]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 2) || (i <= 2147483646 && 1 <= i)) || !(1 <= ref_cnt)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) && (((((i <= 2147483646 && 1 <= i) || !(0 <= ref_cnt)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 0)) - InvariantResult [Line: 8287]: Loop Invariant Derived loop invariant: ((ldv_state_variable_1 == 2 && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1 - InvariantResult [Line: 7051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && ldv_state_variable_1 == 0) && ref_cnt == 0) || ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0) - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_1 == 0 && ref_cnt == 0) && ldv_state_variable_0 == 3) || (((ref_cnt <= 0 && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3)) || (((ldv_state_variable_1 == 2 && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1)) || (((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 8277]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ldv_state_variable_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 8224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7102]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && ref_cnt == 0) || ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0) && \result == 0)) || ((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0) - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0 - InvariantResult [Line: 6410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7614]: Loop Invariant Derived loop invariant: (((!(ldv_state_variable_1 == 0) || (i <= 2147483646 && 1 <= i)) || !(ldv_retval_1 == 0)) || !(ref_cnt == 0)) || !(ldv_state_variable_0 == 1) - InvariantResult [Line: 7115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7821]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 7614]: Loop Invariant [2022-11-25 17:00:08,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,426 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,426 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,426 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:00:08,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:00:08,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((!(ldv_state_variable_1 == 0) || (i <= 2147483646 && 1 <= i)) || !(ldv_retval_1 == 0)) || !(ref_cnt == 0)) || (((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && i == 0)) || !(ldv_state_variable_0 == 1) - InvariantResult [Line: 7485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || (ldv_state_variable_0 == 1 && err + 12 <= 0) - InvariantResult [Line: 8205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8318]: Loop Invariant Derived loop invariant: ((ldv_state_variable_1 == 2 && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1 - InvariantResult [Line: 7005]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7614]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 0) || !(ldv_retval_1 == 0)) || !(ref_cnt == 0)) || (1 <= i && i < 2147483646)) || !(ldv_state_variable_0 == 1)) || i == 0 - InvariantResult [Line: 8304]: Loop Invariant Derived loop invariant: (ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 7831]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0 - InvariantResult [Line: 7593]: Loop Invariant Derived loop invariant: i <= 2147483646 && 1 <= i - InvariantResult [Line: 7485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7533]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 2) || !(1 <= ref_cnt)) || (1 <= i && i < 2147483646)) || i == 0) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 1)) && ((((((1 <= i && i < 2147483646) || i == 0) || !(0 <= ref_cnt)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 3)) || !(ref_cnt <= 0)) - InvariantResult [Line: 7638]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 8271]: Loop Invariant Derived loop invariant: ((((!(ldv_state_variable_1 == 0) || !(ldv_retval_1 == 0)) || !(ref_cnt == 0)) || (1 <= i && i < 2147483646)) || !(ldv_state_variable_0 == 1)) || i == 0 - InvariantResult [Line: 8296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7070]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && \result + 12 <= 0) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 0) && ref_cnt == 0)) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0)) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 1) && ref_cnt == 0)) || (((((ldv_state_variable_0 == 1 && \result == 0) && ldv_retval_1 == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ref_cnt <= 1) - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7687]: Loop Invariant Derived loop invariant: (((ref_cnt <= 0 && 0 <= ref_cnt) && ldv_state_variable_1 == 1) && ldv_state_variable_0 == 3) || (((ldv_state_variable_1 == 2 && 1 <= ref_cnt) && ldv_state_variable_0 == 3) && ref_cnt <= 1) - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && ldv_state_variable_1 == 0) && !(err == 0)) && ref_cnt == 0) || ((((((ldv_state_variable_0 == 1 && ldv_retval_1 == 0) && !(err == 0)) && !(\result == 0)) && !(err == 0)) && ldv_state_variable_1 == 1) && ref_cnt == 0) - InvariantResult [Line: 7595]: Loop Invariant Derived loop invariant: i == 0 || (i <= 2147483646 && 1 <= i) - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8339]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:00:08,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97f82ad-364d-44e2-9022-284c39aede04/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE