./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/config/TaipanReach.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_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh --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 Taipan --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-2329fc7 [2022-12-14 06:23:45,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:23:45,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:23:45,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:23:45,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:23:45,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:23:45,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:23:45,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:23:45,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:23:45,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:23:45,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:23:45,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:23:45,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:23:45,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:23:45,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:23:45,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:23:45,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:23:45,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:23:45,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:23:45,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:23:45,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:23:45,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:23:45,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:23:45,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:23:45,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:23:45,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:23:45,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:23:45,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:23:45,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:23:45,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:23:45,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:23:45,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:23:45,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:23:45,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:23:45,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:23:45,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:23:45,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:23:45,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:23:45,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:23:45,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:23:45,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:23:45,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:23:45,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:23:45,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:23:45,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:23:45,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:23:45,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:23:45,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:23:45,119 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:23:45,120 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:23:45,120 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:23:45,126 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:23:45,126 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:23:45,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:23:45,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:23:45,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:23:45,127 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:23:45,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:23:45,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:23:45,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:23:45,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:23:45,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:23:45,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:23:45,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:23:45,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:23:45,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:23:45,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:23:45,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:23:45,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:23:45,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:23:45,130 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:23:45,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:23:45,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:23:45,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:23:45,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:23:45,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:23:45,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:23:45,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2022-12-14 06:23:45,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:23:45,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:23:45,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:23:45,312 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:23:45,313 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:23:45,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-12-14 06:23:47,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:23:48,165 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:23:48,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-12-14 06:23:48,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/data/f5ef34da5/f790dcfa50e74432908a205e54c9f1d1/FLAG96fa8e940 [2022-12-14 06:23:48,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/data/f5ef34da5/f790dcfa50e74432908a205e54c9f1d1 [2022-12-14 06:23:48,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:23:48,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:23:48,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:23:48,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:23:48,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:23:48,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:48" (1/1) ... [2022-12-14 06:23:48,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2221cc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:48, skipping insertion in model container [2022-12-14 06:23:48,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:48" (1/1) ... [2022-12-14 06:23:48,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:23:48,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:23:48,943 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:23:48,955 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 06:23:49,056 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:23:49,115 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 06:23:49,116 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 06:23:49,116 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 06:23:49,117 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 06:23:49,211 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-14 06:23:49,212 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc [2022-12-14 06:23:49,213 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-12-14 06:23:49,214 WARN L623 FunctionHandler]: Unknown extern function __scsi_get_command [2022-12-14 06:23:49,215 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-12-14 06:23:49,216 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 06:23:49,216 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 06:23:49,217 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 06:23:49,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,218 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-12-14 06:23:49,219 WARN L623 FunctionHandler]: Unknown extern function __scsi_put_command [2022-12-14 06:23:49,223 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,223 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,226 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 06:23:49,234 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:23:49,235 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:23:49,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,237 WARN L623 FunctionHandler]: Unknown extern function __scsi_alloc_queue [2022-12-14 06:23:49,238 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-12-14 06:23:49,241 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:23:49,241 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 06:23:49,243 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,245 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,253 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-12-14 06:23:49,254 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 06:23:49,262 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 06:23:49,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,263 WARN L623 FunctionHandler]: Unknown extern function scsi_init_io [2022-12-14 06:23:49,263 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-12-14 06:23:49,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,276 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,278 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,282 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,283 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,284 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,286 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,288 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,290 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,293 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 06:23:49,294 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 06:23:49,295 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:23:49,295 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 06:23:49,298 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:23:49,298 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 06:23:49,310 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,310 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,311 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,311 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,311 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,312 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 06:23:49,312 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,379 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,381 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 06:23:49,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,388 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 06:23:49,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,401 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,404 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:23:49,405 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-12-14 06:23:49,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,416 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-12-14 06:23:49,419 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:23:49,420 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-12-14 06:23:49,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,425 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 06:23:49,426 WARN L623 FunctionHandler]: Unknown extern function ldv_tgt_fops_release_1 [2022-12-14 06:23:49,427 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,427 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,427 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,427 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 06:23:49,428 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,428 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,428 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,428 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 06:23:49,429 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 06:23:49,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2022-12-14 06:23:49,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:23:49,512 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:23:49,625 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:23:49,625 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 06:23:49,626 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:23:49,628 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 06:23:49,628 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 06:23:49,629 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 06:23:49,629 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 06:23:49,631 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-14 06:23:49,632 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc [2022-12-14 06:23:49,632 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-12-14 06:23:49,632 WARN L623 FunctionHandler]: Unknown extern function __scsi_get_command [2022-12-14 06:23:49,633 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-12-14 06:23:49,633 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 06:23:49,633 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 06:23:49,634 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 06:23:49,634 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,635 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-12-14 06:23:49,635 WARN L623 FunctionHandler]: Unknown extern function __scsi_put_command [2022-12-14 06:23:49,637 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,637 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,638 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 06:23:49,640 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:23:49,640 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:23:49,641 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,642 WARN L623 FunctionHandler]: Unknown extern function __scsi_alloc_queue [2022-12-14 06:23:49,642 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-12-14 06:23:49,643 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:23:49,643 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 06:23:49,644 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,645 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,647 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-12-14 06:23:49,647 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 06:23:49,650 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 06:23:49,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,651 WARN L623 FunctionHandler]: Unknown extern function scsi_init_io [2022-12-14 06:23:49,651 WARN L623 FunctionHandler]: Unknown extern function scsi_release_buffers [2022-12-14 06:23:49,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,654 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,654 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 06:23:49,655 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,657 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,658 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,659 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,662 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,664 WARN L623 FunctionHandler]: Unknown extern function scsi_host_lookup [2022-12-14 06:23:49,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,667 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 06:23:49,667 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 06:23:49,668 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 06:23:49,668 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:23:49,668 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 06:23:49,669 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:23:49,669 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 06:23:49,670 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,670 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,670 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,670 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,671 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 06:23:49,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,674 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,675 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 06:23:49,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,681 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 06:23:49,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,683 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 06:23:49,684 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:23:49,684 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-12-14 06:23:49,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,687 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-12-14 06:23:49,687 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:23:49,688 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-12-14 06:23:49,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:23:49,690 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 06:23:49,690 WARN L623 FunctionHandler]: Unknown extern function ldv_tgt_fops_release_1 [2022-12-14 06:23:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 06:23:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,692 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 06:23:49,692 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:23:49,692 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 06:23:49,692 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 06:23:49,693 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2022-12-14 06:23:49,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:23:49,724 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:23:49,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49 WrapperNode [2022-12-14 06:23:49,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:23:49,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:23:49,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:23:49,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:23:49,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,823 INFO L138 Inliner]: procedures = 188, calls = 583, calls flagged for inlining = 72, calls inlined = 47, statements flattened = 1212 [2022-12-14 06:23:49,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:23:49,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:23:49,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:23:49,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:23:49,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:23:49,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:23:49,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:23:49,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:23:49,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (1/1) ... [2022-12-14 06:23:49,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:23:49,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:23:49,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:23:49,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:23:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 06:23:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 06:23:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2022-12-14 06:23:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2022-12-14 06:23:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2022-12-14 06:23:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2022-12-14 06:23:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:23:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2022-12-14 06:23:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2022-12-14 06:23:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2022-12-14 06:23:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2022-12-14 06:23:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:23:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:23:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 06:23:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 06:23:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2022-12-14 06:23:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 06:23:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:23:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2022-12-14 06:23:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-12-14 06:23:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:23:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2022-12-14 06:23:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 06:23:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2022-12-14 06:23:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:23:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2022-12-14 06:23:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-12-14 06:23:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:23:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 06:23:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 06:23:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 06:23:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2022-12-14 06:23:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2022-12-14 06:23:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2022-12-14 06:23:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 06:23:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-12-14 06:23:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-12-14 06:23:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 06:23:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:23:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:23:50,241 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:23:50,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:23:50,950 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:23:51,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:23:51,159 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:23:51,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:51 BoogieIcfgContainer [2022-12-14 06:23:51,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:23:51,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:23:51,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:23:51,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:23:51,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:23:48" (1/3) ... [2022-12-14 06:23:51,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76db0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:23:51, skipping insertion in model container [2022-12-14 06:23:51,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:49" (2/3) ... [2022-12-14 06:23:51,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76db0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:23:51, skipping insertion in model container [2022-12-14 06:23:51,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:51" (3/3) ... [2022-12-14 06:23:51,167 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2022-12-14 06:23:51,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:23:51,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-14 06:23:51,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:23:51,247 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=FINITE_AUTOMATA, 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;@67bf7ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:23:51,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 06:23:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 196 states have internal predecessors, (251), 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) [2022-12-14 06:23:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 06:23:51,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:51,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:23:51,259 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)] === [2022-12-14 06:23:51,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 342569558, now seen corresponding path program 1 times [2022-12-14 06:23:51,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:51,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392061683] [2022-12-14 06:23:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:51,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:51,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392061683] [2022-12-14 06:23:51,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392061683] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:23:51,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:23:51,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:23:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554969764] [2022-12-14 06:23:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:23:51,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:23:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:23:51,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:23:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:23:51,541 INFO L87 Difference]: Start difference. First operand has 288 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 196 states have internal predecessors, (251), 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 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-12-14 06:23:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:23:51,786 INFO L93 Difference]: Finished difference Result 647 states and 872 transitions. [2022-12-14 06:23:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:23:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2022-12-14 06:23:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:23:51,800 INFO L225 Difference]: With dead ends: 647 [2022-12-14 06:23:51,800 INFO L226 Difference]: Without dead ends: 336 [2022-12-14 06:23:51,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:23:51,809 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 93 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:23:51,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 627 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:23:51,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-12-14 06:23:51,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2022-12-14 06:23:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 211 states have (on average 1.4123222748815165) internal successors, (298), 227 states have internal predecessors, (298), 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) [2022-12-14 06:23:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 446 transitions. [2022-12-14 06:23:51,862 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 446 transitions. Word has length 12 [2022-12-14 06:23:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:23:51,862 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 446 transitions. [2022-12-14 06:23:51,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-12-14 06:23:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 446 transitions. [2022-12-14 06:23:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:23:51,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:51,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:23:51,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:23:51,864 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)] === [2022-12-14 06:23:51,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:51,865 INFO L85 PathProgramCache]: Analyzing trace with hash 247548151, now seen corresponding path program 1 times [2022-12-14 06:23:51,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:51,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991299213] [2022-12-14 06:23:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:51,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:51,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:51,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991299213] [2022-12-14 06:23:51,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991299213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:23:51,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:23:51,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:23:51,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850137215] [2022-12-14 06:23:51,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:23:51,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:23:51,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:23:51,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:23:51,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:23:51,971 INFO L87 Difference]: Start difference. First operand 332 states and 446 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 06:23:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:23:52,124 INFO L93 Difference]: Finished difference Result 692 states and 925 transitions. [2022-12-14 06:23:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:23:52,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2022-12-14 06:23:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:23:52,127 INFO L225 Difference]: With dead ends: 692 [2022-12-14 06:23:52,128 INFO L226 Difference]: Without dead ends: 361 [2022-12-14 06:23:52,129 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 [2022-12-14 06:23:52,130 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 68 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:23:52,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 566 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:23:52,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-12-14 06:23:52,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 348. [2022-12-14 06:23:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 226 states have (on average 1.415929203539823) internal successors, (320), 241 states have internal predecessors, (320), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:23:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 463 transitions. [2022-12-14 06:23:52,159 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 463 transitions. Word has length 15 [2022-12-14 06:23:52,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:23:52,159 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 463 transitions. [2022-12-14 06:23:52,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 06:23:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 463 transitions. [2022-12-14 06:23:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 06:23:52,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:52,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:23:52,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:23:52,161 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)] === [2022-12-14 06:23:52,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:52,161 INFO L85 PathProgramCache]: Analyzing trace with hash -5259133, now seen corresponding path program 1 times [2022-12-14 06:23:52,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:52,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548976820] [2022-12-14 06:23:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:52,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:52,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548976820] [2022-12-14 06:23:52,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548976820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:23:52,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:23:52,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:23:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849395429] [2022-12-14 06:23:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:23:52,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:23:52,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:23:52,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:23:52,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:23:52,289 INFO L87 Difference]: Start difference. First operand 348 states and 463 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 06:23:52,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:23:52,444 INFO L93 Difference]: Finished difference Result 698 states and 938 transitions. [2022-12-14 06:23:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:23:52,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 27 [2022-12-14 06:23:52,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:23:52,448 INFO L225 Difference]: With dead ends: 698 [2022-12-14 06:23:52,448 INFO L226 Difference]: Without dead ends: 360 [2022-12-14 06:23:52,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:23:52,450 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 3 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:23:52,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 606 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:23:52,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-12-14 06:23:52,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 356. [2022-12-14 06:23:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 234 states have (on average 1.4102564102564104) internal successors, (330), 249 states have internal predecessors, (330), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:23:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 473 transitions. [2022-12-14 06:23:52,472 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 473 transitions. Word has length 27 [2022-12-14 06:23:52,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:23:52,472 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 473 transitions. [2022-12-14 06:23:52,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 06:23:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 473 transitions. [2022-12-14 06:23:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 06:23:52,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:52,473 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] [2022-12-14 06:23:52,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:23:52,474 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)] === [2022-12-14 06:23:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:52,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1799173181, now seen corresponding path program 1 times [2022-12-14 06:23:52,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:52,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292633185] [2022-12-14 06:23:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:52,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:52,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:52,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292633185] [2022-12-14 06:23:52,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292633185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:23:52,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:23:52,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:23:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728053846] [2022-12-14 06:23:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:23:52,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:23:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:23:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:23:52,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:23:52,572 INFO L87 Difference]: Start difference. First operand 356 states and 473 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:23:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:23:52,737 INFO L93 Difference]: Finished difference Result 706 states and 936 transitions. [2022-12-14 06:23:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:23:52,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-12-14 06:23:52,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:23:52,739 INFO L225 Difference]: With dead ends: 706 [2022-12-14 06:23:52,739 INFO L226 Difference]: Without dead ends: 356 [2022-12-14 06:23:52,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:23:52,741 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:23:52,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 916 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:23:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-12-14 06:23:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-12-14 06:23:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 234 states have (on average 1.4017094017094016) internal successors, (328), 249 states have internal predecessors, (328), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:23:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 471 transitions. [2022-12-14 06:23:52,752 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 471 transitions. Word has length 29 [2022-12-14 06:23:52,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:23:52,753 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 471 transitions. [2022-12-14 06:23:52,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:23:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 471 transitions. [2022-12-14 06:23:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 06:23:52,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:52,753 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:23:52,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:23:52,754 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)] === [2022-12-14 06:23:52,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:52,754 INFO L85 PathProgramCache]: Analyzing trace with hash 700972949, now seen corresponding path program 1 times [2022-12-14 06:23:52,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:52,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744640765] [2022-12-14 06:23:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:52,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:52,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:52,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744640765] [2022-12-14 06:23:52,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744640765] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:23:52,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195171686] [2022-12-14 06:23:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:52,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:23:52,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:23:52,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:23:52,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:23:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:53,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:23:53,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:23:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:53,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:23:53,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195171686] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:23:53,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:23:53,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 06:23:53,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967942871] [2022-12-14 06:23:53,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:23:53,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:23:53,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:23:53,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:23:53,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:23:53,114 INFO L87 Difference]: Start difference. First operand 356 states and 471 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-12-14 06:23:53,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:23:53,268 INFO L93 Difference]: Finished difference Result 360 states and 477 transitions. [2022-12-14 06:23:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:23:53,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2022-12-14 06:23:53,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:23:53,271 INFO L225 Difference]: With dead ends: 360 [2022-12-14 06:23:53,271 INFO L226 Difference]: Without dead ends: 359 [2022-12-14 06:23:53,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:23:53,272 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 7 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:23:53,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 908 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:23:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-12-14 06:23:53,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2022-12-14 06:23:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 234 states have (on average 1.393162393162393) internal successors, (326), 248 states have internal predecessors, (326), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:23:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 469 transitions. [2022-12-14 06:23:53,295 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 469 transitions. Word has length 31 [2022-12-14 06:23:53,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:23:53,295 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 469 transitions. [2022-12-14 06:23:53,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-12-14 06:23:53,296 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 469 transitions. [2022-12-14 06:23:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 06:23:53,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:23:53,297 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:23:53,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:23:53,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:23:53,498 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)] === [2022-12-14 06:23:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:23:53,498 INFO L85 PathProgramCache]: Analyzing trace with hash 255325334, now seen corresponding path program 1 times [2022-12-14 06:23:53,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:23:53,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227269052] [2022-12-14 06:23:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:23:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:53,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:23:53,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227269052] [2022-12-14 06:23:53,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227269052] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:23:53,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624492655] [2022-12-14 06:23:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:23:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:23:53,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:23:53,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:23:53,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:23:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:23:53,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:23:53,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:23:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:53,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:23:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:23:53,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624492655] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:23:53,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1973794843] [2022-12-14 06:23:53,865 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 06:23:53,866 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:23:53,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:23:53,872 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:23:53,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:23:54,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2022-12-14 06:23:54,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:23:54,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:23:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:23:57,722 INFO L321 Elim1Store]: treesize reduction 900, result has 33.4 percent of original size [2022-12-14 06:23:57,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1328 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 100 case distinctions, treesize of input 272 treesize of output 625 [2022-12-14 06:23:57,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:23:57,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1327 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 414 [2022-12-14 06:23:58,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 06:23:58,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:23:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:23:59,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:23:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:23:59,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:24:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:24:00,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:24:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:24:00,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:24:19,163 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_ring_init with input of size 549 for LOIs [2022-12-14 06:24:19,855 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:19,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2085 treesize of output 2085 [2022-12-14 06:24:19,955 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:19,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2080 treesize of output 2082 [2022-12-14 06:24:21,082 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:21,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2085 treesize of output 2085 [2022-12-14 06:24:21,187 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:21,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2080 treesize of output 2082 [2022-12-14 06:24:24,257 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:24,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2205 treesize of output 2204 [2022-12-14 06:24:24,375 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:24,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2195 treesize of output 2198 [2022-12-14 06:24:27,126 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:27,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2205 treesize of output 2204 [2022-12-14 06:24:27,231 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:27,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2195 treesize of output 2198 [2022-12-14 06:24:32,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:32,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:32,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:24:33,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:33,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:24:33,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:33,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:33,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:24:33,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:24:33,794 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:33,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2205 treesize of output 2204 [2022-12-14 06:24:33,886 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:33,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2195 treesize of output 2198 [2022-12-14 06:24:35,924 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 06:24:35,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2080 treesize of output 2082 [2022-12-14 06:24:36,039 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:24:36,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2085 treesize of output 2085 [2022-12-14 06:24:36,604 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 551 for LOIs [2022-12-14 06:24:37,432 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 562 for LOIs [2022-12-14 06:24:37,721 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 778 for LOIs [2022-12-14 06:24:38,283 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:24:59,620 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 805 DAG size of output: 703 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:25:08,062 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 831 DAG size of output: 826 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:25:20,754 WARN L233 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 746 DAG size of output: 646 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:25:32,880 WARN L233 SmtUtils]: Spent 11.88s on a formula simplification. DAG size of input: 742 DAG size of output: 620 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:25:40,640 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 752 DAG size of output: 638 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:25:48,003 WARN L233 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 756 DAG size of output: 642 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:26:09,228 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 584 DAG size of output: 517 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:26:20,307 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 574 DAG size of output: 515 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:26:22,208 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7562#(and (= 51 |~#tgt_miscdev~0.base|) (= ~ldvarg9~0.offset 0) (= ~ldvarg5~0.base 0) (<= |tgt_ring_init_~ring#1.base| 47) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldvarg8~0.offset 0) (= ~tgt_fops_group2~0.base 0) (= ~ldvarg9~0.base 0) (= ~ldvarg7~0.offset 0) (<= 47 |tgt_ring_init_~ring#1.base|) (= ~ldv_retval_1~0 0) (= ~ldvarg3~0.base 0) (<= |tgt_ring_init_#in~ring#1.offset| 0) (= ~ldv_mutex_lock~0 1) (= |~#rx_ring~0.base| 48) (<= (mod |tgt_ring_init_~i~4#1| 4294967296) 15) (= ~scsi_tgt_cmd_cache~0.offset 0) (= ~ldvarg1~0 0) (= ~ldvarg5~0.offset 0) (<= |tgt_ring_init_#in~ring#1.base| 47) (= ~tgt_fops_group1~0.offset 0) (= ~ldvarg2~0.offset 0) (= ~ldv_state_variable_1~0 0) (= 49 |~#tgt_poll_wait~0.base|) (= |~#tgt_miscdev~0.offset| 0) (= |tgt_ring_init_~#__key~3#1.offset| 0) (= |~#tx_ring~0.offset| 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |~#rx_ring~0.offset| 0) (= ~ldvarg8~0.base 0) (<= 0 |tgt_ring_init_#in~ring#1.offset|) (<= |tgt_ring_init_~ring#1.offset| 0) (< 2147483646 |tgt_ring_init_~i~4#1|) (= ~tgt_fops_group1~0.base 0) (= ~ref_cnt~0 0) (= ~ldvarg4~0.offset 0) (= |~#tgt_poll_wait~0.offset| 0) (not (= (mod (select (select |#memory_int| |tgt_ring_init_~ring#1.base|) (+ (* 8 |tgt_ring_init_~i~4#1|) |tgt_ring_init_~ring#1.offset| 4)) 18446744073709551616) 0)) (= |~#tgt_fops~0.offset| 0) (<= 0 |tgt_ring_init_~ring#1.offset|) (= ~ldvarg0~0 0) (= |#NULL.offset| 0) (= ~ldvarg4~0.base 0) (= ~ldv_retval_0~0 0) (<= 47 |tgt_ring_init_#in~ring#1.base|) (= |~#tgt_fops~0.base| 50) (= ~ldvarg6~0 0) (= ~tgt_fops_group2~0.offset 0) (= ~ldvarg2~0.base 0) (= |tgt_ring_init_get_zeroed_page_#in~arg0#1| 208) (<= 0 |#StackHeapBarrier|) (= |tgt_ring_init_get_zeroed_page_#in~arg0#1| |tgt_ring_init_get_zeroed_page_~arg0#1|) (= ~ldvarg3~0.offset 0) (= |tgt_ring_init_get_zeroed_page_#res#1| (select (select |#memory_int| |tgt_ring_init_~ring#1.base|) (+ (* 8 |tgt_ring_init_~i~4#1|) |tgt_ring_init_~ring#1.offset| 4))) (<= 0 |tgt_ring_init_~#__key~3#1.base|) (= ~ldvarg7~0.base 0) (= |#NULL.base| 0) (= |~#tx_ring~0.base| 47))' at error location [2022-12-14 06:26:22,208 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 06:26:22,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:26:22,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 06:26:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810723236] [2022-12-14 06:26:22,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 06:26:22,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:26:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:22,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:26:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2022-12-14 06:26:22,210 INFO L87 Difference]: Start difference. First operand 355 states and 469 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-12-14 06:26:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:22,386 INFO L93 Difference]: Finished difference Result 381 states and 511 transitions. [2022-12-14 06:26:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:26:22,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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 32 [2022-12-14 06:26:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:22,389 INFO L225 Difference]: With dead ends: 381 [2022-12-14 06:26:22,389 INFO L226 Difference]: Without dead ends: 380 [2022-12-14 06:26:22,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 103.9s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2022-12-14 06:26:22,390 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 14 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:22,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1203 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:26:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-12-14 06:26:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 348. [2022-12-14 06:26:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 228 states have (on average 1.3859649122807018) internal successors, (316), 241 states have internal predecessors, (316), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:26:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 459 transitions. [2022-12-14 06:26:22,400 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 459 transitions. Word has length 32 [2022-12-14 06:26:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:22,400 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 459 transitions. [2022-12-14 06:26:22,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2022-12-14 06:26:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 459 transitions. [2022-12-14 06:26:22,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:26:22,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:22,402 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] [2022-12-14 06:26:22,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:26:22,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:22,604 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)] === [2022-12-14 06:26:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash -2044508529, now seen corresponding path program 1 times [2022-12-14 06:26:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:22,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088356941] [2022-12-14 06:26:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:22,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 06:26:22,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:22,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088356941] [2022-12-14 06:26:22,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088356941] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:22,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:22,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:26:22,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207425130] [2022-12-14 06:26:22,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:22,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:22,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:22,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:22,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:22,732 INFO L87 Difference]: Start difference. First operand 348 states and 459 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 06:26:22,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:22,842 INFO L93 Difference]: Finished difference Result 695 states and 926 transitions. [2022-12-14 06:26:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:22,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 34 [2022-12-14 06:26:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:22,844 INFO L225 Difference]: With dead ends: 695 [2022-12-14 06:26:22,845 INFO L226 Difference]: Without dead ends: 357 [2022-12-14 06:26:22,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:22,846 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:22,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 601 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:26:22,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-12-14 06:26:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-12-14 06:26:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 237 states have (on average 1.371308016877637) internal successors, (325), 250 states have internal predecessors, (325), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:26:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 468 transitions. [2022-12-14 06:26:22,861 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 468 transitions. Word has length 34 [2022-12-14 06:26:22,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:22,861 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 468 transitions. [2022-12-14 06:26:22,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 06:26:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 468 transitions. [2022-12-14 06:26:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 06:26:22,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:22,863 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] [2022-12-14 06:26:22,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:26:22,863 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)] === [2022-12-14 06:26:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:22,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1022285131, now seen corresponding path program 1 times [2022-12-14 06:26:22,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:22,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398272904] [2022-12-14 06:26:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 06:26:22,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:22,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398272904] [2022-12-14 06:26:22,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398272904] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:26:22,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200456630] [2022-12-14 06:26:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:22,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:22,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:22,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:26:22,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:26:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:23,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:26:23,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:26:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:23,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:26:23,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200456630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:23,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:26:23,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2022-12-14 06:26:23,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820935594] [2022-12-14 06:26:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:23,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:23,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:26:23,165 INFO L87 Difference]: Start difference. First operand 357 states and 468 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-12-14 06:26:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:23,336 INFO L93 Difference]: Finished difference Result 712 states and 932 transitions. [2022-12-14 06:26:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:26:23,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 37 [2022-12-14 06:26:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:23,339 INFO L225 Difference]: With dead ends: 712 [2022-12-14 06:26:23,339 INFO L226 Difference]: Without dead ends: 357 [2022-12-14 06:26:23,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 06:26:23,341 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 3 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:23,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1207 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:26:23,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-12-14 06:26:23,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-12-14 06:26:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 237 states have (on average 1.3628691983122363) internal successors, (323), 248 states have internal predecessors, (323), 72 states have call successors, (72), 40 states have call predecessors, (72), 40 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 06:26:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 466 transitions. [2022-12-14 06:26:23,356 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 466 transitions. Word has length 37 [2022-12-14 06:26:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:23,357 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 466 transitions. [2022-12-14 06:26:23,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-12-14 06:26:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 466 transitions. [2022-12-14 06:26:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 06:26:23,358 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:23,358 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:26:23,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 06:26:23,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:23,558 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)] === [2022-12-14 06:26:23,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:23,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1863974350, now seen corresponding path program 1 times [2022-12-14 06:26:23,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:23,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345611658] [2022-12-14 06:26:23,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:23,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 06:26:23,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:23,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345611658] [2022-12-14 06:26:23,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345611658] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:26:23,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229353743] [2022-12-14 06:26:23,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:23,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:23,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:23,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:26:23,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:26:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:23,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:26:23,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:26:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:23,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:26:23,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229353743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:23,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:26:23,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2022-12-14 06:26:23,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698154738] [2022-12-14 06:26:23,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:23,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:23,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:23,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:26:23,962 INFO L87 Difference]: Start difference. First operand 357 states and 466 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-12-14 06:26:24,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:24,165 INFO L93 Difference]: Finished difference Result 794 states and 1059 transitions. [2022-12-14 06:26:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:26:24,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 53 [2022-12-14 06:26:24,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:24,167 INFO L225 Difference]: With dead ends: 794 [2022-12-14 06:26:24,167 INFO L226 Difference]: Without dead ends: 447 [2022-12-14 06:26:24,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:26:24,169 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 73 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:24,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1428 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:26:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-12-14 06:26:24,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 365. [2022-12-14 06:26:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 243 states have (on average 1.353909465020576) internal successors, (329), 254 states have internal predecessors, (329), 72 states have call successors, (72), 40 states have call predecessors, (72), 42 states have return successors, (75), 73 states have call predecessors, (75), 71 states have call successors, (75) [2022-12-14 06:26:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 476 transitions. [2022-12-14 06:26:24,187 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 476 transitions. Word has length 53 [2022-12-14 06:26:24,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:24,187 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 476 transitions. [2022-12-14 06:26:24,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-12-14 06:26:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 476 transitions. [2022-12-14 06:26:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 06:26:24,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:24,188 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:24,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:26:24,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:24,389 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)] === [2022-12-14 06:26:24,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:24,389 INFO L85 PathProgramCache]: Analyzing trace with hash -110187590, now seen corresponding path program 1 times [2022-12-14 06:26:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:24,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938666584] [2022-12-14 06:26:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 06:26:24,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:24,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938666584] [2022-12-14 06:26:24,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938666584] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:26:24,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998347922] [2022-12-14 06:26:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:24,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:24,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:26:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:26:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:24,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 06:26:24,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:26:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:24,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:26:24,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998347922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:24,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:26:24,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3] total 9 [2022-12-14 06:26:24,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394632282] [2022-12-14 06:26:24,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:24,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:26:24,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:26:24,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 06:26:24,720 INFO L87 Difference]: Start difference. First operand 365 states and 476 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-12-14 06:26:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:25,031 INFO L93 Difference]: Finished difference Result 802 states and 1067 transitions. [2022-12-14 06:26:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:26:25,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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 51 [2022-12-14 06:26:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:25,033 INFO L225 Difference]: With dead ends: 802 [2022-12-14 06:26:25,033 INFO L226 Difference]: Without dead ends: 447 [2022-12-14 06:26:25,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:26:25,035 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 210 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:25,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 2067 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:26:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-12-14 06:26:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 369. [2022-12-14 06:26:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 247 states have (on average 1.3481781376518218) internal successors, (333), 258 states have internal predecessors, (333), 72 states have call successors, (72), 40 states have call predecessors, (72), 42 states have return successors, (75), 73 states have call predecessors, (75), 71 states have call successors, (75) [2022-12-14 06:26:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 480 transitions. [2022-12-14 06:26:25,054 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 480 transitions. Word has length 51 [2022-12-14 06:26:25,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:25,054 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 480 transitions. [2022-12-14 06:26:25,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-12-14 06:26:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 480 transitions. [2022-12-14 06:26:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 06:26:25,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:25,055 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:26:25,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 06:26:25,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:25,256 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)] === [2022-12-14 06:26:25,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:25,257 INFO L85 PathProgramCache]: Analyzing trace with hash 813834225, now seen corresponding path program 1 times [2022-12-14 06:26:25,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:25,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396872265] [2022-12-14 06:26:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:25,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:25,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396872265] [2022-12-14 06:26:25,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396872265] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:26:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515945040] [2022-12-14 06:26:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:25,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:25,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:25,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:26:25,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 06:26:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:25,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:26:25,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:26:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:25,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:26:25,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515945040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:25,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:26:25,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 06:26:25,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090992531] [2022-12-14 06:26:25,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:25,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:26:25,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:25,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:26:25,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:25,584 INFO L87 Difference]: Start difference. First operand 369 states and 480 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-12-14 06:26:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:25,730 INFO L93 Difference]: Finished difference Result 369 states and 480 transitions. [2022-12-14 06:26:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:26:25,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 56 [2022-12-14 06:26:25,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:25,732 INFO L225 Difference]: With dead ends: 369 [2022-12-14 06:26:25,733 INFO L226 Difference]: Without dead ends: 368 [2022-12-14 06:26:25,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:25,733 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 3 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:25,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 895 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:26:25,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-12-14 06:26:25,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2022-12-14 06:26:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 247 states have (on average 1.3360323886639676) internal successors, (330), 257 states have internal predecessors, (330), 72 states have call successors, (72), 40 states have call predecessors, (72), 42 states have return successors, (75), 73 states have call predecessors, (75), 71 states have call successors, (75) [2022-12-14 06:26:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 477 transitions. [2022-12-14 06:26:25,748 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 477 transitions. Word has length 56 [2022-12-14 06:26:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:25,749 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 477 transitions. [2022-12-14 06:26:25,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-12-14 06:26:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 477 transitions. [2022-12-14 06:26:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 06:26:25,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:25,750 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:26:25,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 06:26:25,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 06:26:25,951 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)] === [2022-12-14 06:26:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash -540942753, now seen corresponding path program 1 times [2022-12-14 06:26:25,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:25,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822221150] [2022-12-14 06:26:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:26,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:26,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822221150] [2022-12-14 06:26:26,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822221150] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:26:26,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030612618] [2022-12-14 06:26:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:26,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:26:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:26:26,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:26:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 06:26:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:26,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:26:26,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:26:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:26,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:26:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:26,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030612618] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:26:26,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1898193576] [2022-12-14 06:26:26,452 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 06:26:26,452 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:26:26,452 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:26:26,452 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:26:26,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:26:26,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:26:26,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2022-12-14 06:26:26,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:26:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:29,103 INFO L321 Elim1Store]: treesize reduction 500, result has 47.4 percent of original size [2022-12-14 06:26:29,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1277 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 50 case distinctions, treesize of input 262 treesize of output 614 [2022-12-14 06:26:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:30,694 INFO L321 Elim1Store]: treesize reduction 900, result has 33.4 percent of original size [2022-12-14 06:26:30,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1328 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 100 case distinctions, treesize of input 272 treesize of output 625 [2022-12-14 06:26:31,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:26:31,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 06:26:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:32,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:26:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:32,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:26:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:33,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:26:33,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:33,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:26:51,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:26:51,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:26:51,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:51,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:26:51,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:51,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:51,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:51,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 06:26:51,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:51,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:52,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 155 [2022-12-14 06:26:52,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:52,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:52,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:26:52,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:26:52,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:52,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:26:52,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:26:52,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 119 [2022-12-14 06:26:52,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:26:52,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:26:52,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:26:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:26:53,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:26:53,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:26:53,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:26:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:26:53,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:26:53,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:26:53,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:26:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:26:53,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:26:53,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:26:53,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:27:06,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:27:06,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:27:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:27:06,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:27:06,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:27:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:27:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:27:06,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:27:06,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:27:06,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:27:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:06,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:27:06,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:27:06,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:27:06,816 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:27:20,185 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_ring_init with input of size 100 for LOIs [2022-12-14 06:27:20,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:27:20,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:27:20,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:27:20,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 06:27:20,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:20,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 432 treesize of output 407 [2022-12-14 06:27:21,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:21,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:27:21,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:21,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 366 [2022-12-14 06:27:21,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:21,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:27:22,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:27:22,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 371 treesize of output 368 [2022-12-14 06:27:22,619 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 114 for LOIs [2022-12-14 06:27:22,639 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 120 for LOIs [2022-12-14 06:27:22,647 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_ring_exit with input of size 125 for LOIs [2022-12-14 06:27:23,067 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 778 for LOIs [2022-12-14 06:27:23,628 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:27:43,311 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 805 DAG size of output: 703 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:28:03,323 WARN L233 SmtUtils]: Spent 12.37s on a formula simplification. DAG size of input: 747 DAG size of output: 672 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:28:14,520 WARN L233 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 743 DAG size of output: 624 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:28:21,637 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 753 DAG size of output: 649 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:28:29,461 WARN L233 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 757 DAG size of output: 653 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:28:44,948 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17014#(and (= 51 |~#tgt_miscdev~0.base|) (= ~ldvarg9~0.offset 0) (= ~ldvarg5~0.base 0) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldvarg8~0.offset 0) (= |tgt_ring_exit_free_pages_#in~arg1#1| |tgt_ring_exit_free_pages_~arg1#1|) (= ~tgt_fops_group2~0.base 0) (= ~ldvarg9~0.base 0) (= ~ldvarg7~0.offset 0) (<= (mod |tgt_ring_exit_~i~3#1| 4294967296) 15) (= |tgt_ring_exit_free_pages_#in~arg0#1| |tgt_ring_exit_free_pages_~arg0#1|) (= ~ldv_retval_1~0 0) (<= |tgt_ring_exit_~ring#1.base| 47) (= ~ldvarg3~0.base 0) (<= 0 |tgt_ring_exit_#in~ring#1.offset|) (= ~ldv_mutex_lock~0 1) (= |~#rx_ring~0.base| 48) (= |tgt_ring_exit_free_pages_#in~arg0#1| (select (select |#memory_int| |tgt_ring_exit_~ring#1.base|) (+ |tgt_ring_exit_~ring#1.offset| 4 (* |tgt_ring_exit_~i~3#1| 8)))) (= ~scsi_tgt_cmd_cache~0.offset 0) (= ~ldvarg1~0 0) (<= |tgt_ring_exit_#in~ring#1.base| 47) (= ~ldvarg5~0.offset 0) (= ~tgt_fops_group1~0.offset 0) (= ~ldvarg2~0.offset 0) (= |tgt_ring_exit_free_pages_#in~arg1#1| 0) (<= |tgt_ring_exit_~ring#1.offset| 0) (= ~ldv_state_variable_1~0 0) (= 49 |~#tgt_poll_wait~0.base|) (= |~#tgt_miscdev~0.offset| 0) (= |~#tx_ring~0.offset| 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |~#rx_ring~0.offset| 0) (= ~ldvarg8~0.base 0) (= ~tgt_fops_group1~0.base 0) (= ~ref_cnt~0 0) (= ~ldvarg4~0.offset 0) (= |~#tgt_poll_wait~0.offset| 0) (< 2147483646 |tgt_ring_exit_~i~3#1|) (= |~#tgt_fops~0.offset| 0) (= ~ldvarg0~0 0) (= |#NULL.offset| 0) (= ~ldvarg4~0.base 0) (= ~ldv_retval_0~0 0) (<= |tgt_ring_exit_#in~ring#1.offset| 0) (<= 0 |tgt_ring_exit_~ring#1.offset|) (= |~#tgt_fops~0.base| 50) (= ~ldvarg6~0 0) (<= 47 |tgt_ring_exit_#in~ring#1.base|) (= ~tgt_fops_group2~0.offset 0) (= ~ldvarg2~0.base 0) (<= 0 |#StackHeapBarrier|) (= ~ldvarg3~0.offset 0) (<= 47 |tgt_ring_exit_~ring#1.base|) (= ~ldvarg7~0.base 0) (= |#NULL.base| 0) (= |~#tx_ring~0.base| 47))' at error location [2022-12-14 06:28:44,948 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 06:28:44,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:28:44,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 06:28:44,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230944753] [2022-12-14 06:28:44,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 06:28:44,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:28:44,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:44,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:28:44,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1511, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 06:28:44,950 INFO L87 Difference]: Start difference. First operand 368 states and 477 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-12-14 06:28:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:45,110 INFO L93 Difference]: Finished difference Result 386 states and 506 transitions. [2022-12-14 06:28:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:28:45,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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 57 [2022-12-14 06:28:45,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:45,112 INFO L225 Difference]: With dead ends: 386 [2022-12-14 06:28:45,112 INFO L226 Difference]: Without dead ends: 365 [2022-12-14 06:28:45,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 129 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 81.3s TimeCoverageRelationStatistics Valid=129, Invalid=1511, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 06:28:45,113 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 3 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:45,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 895 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:28:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-12-14 06:28:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 349. [2022-12-14 06:28:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 234 states have (on average 1.329059829059829) internal successors, (311), 242 states have internal predecessors, (311), 69 states have call successors, (69), 38 states have call predecessors, (69), 40 states have return successors, (73), 71 states have call predecessors, (73), 69 states have call successors, (73) [2022-12-14 06:28:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 453 transitions. [2022-12-14 06:28:45,122 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 453 transitions. Word has length 57 [2022-12-14 06:28:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:45,122 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 453 transitions. [2022-12-14 06:28:45,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-12-14 06:28:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 453 transitions. [2022-12-14 06:28:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 06:28:45,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:45,123 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:28:45,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 06:28:45,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 06:28:45,324 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)] === [2022-12-14 06:28:45,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash -479335251, now seen corresponding path program 1 times [2022-12-14 06:28:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:45,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741239605] [2022-12-14 06:28:45,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:28:45,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:45,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741239605] [2022-12-14 06:28:45,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741239605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:45,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:28:45,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:28:45,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679004365] [2022-12-14 06:28:45,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:45,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:28:45,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:45,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:28:45,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:28:45,408 INFO L87 Difference]: Start difference. First operand 349 states and 453 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 06:28:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:45,626 INFO L93 Difference]: Finished difference Result 940 states and 1220 transitions. [2022-12-14 06:28:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:28:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 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 65 [2022-12-14 06:28:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:45,629 INFO L225 Difference]: With dead ends: 940 [2022-12-14 06:28:45,629 INFO L226 Difference]: Without dead ends: 601 [2022-12-14 06:28:45,631 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 [2022-12-14 06:28:45,631 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 310 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:45,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 636 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:28:45,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2022-12-14 06:28:45,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2022-12-14 06:28:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 399 states have (on average 1.3082706766917294) internal successors, (522), 409 states have internal predecessors, (522), 122 states have call successors, (122), 69 states have call predecessors, (122), 72 states have return successors, (128), 125 states have call predecessors, (128), 122 states have call successors, (128) [2022-12-14 06:28:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 772 transitions. [2022-12-14 06:28:45,659 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 772 transitions. Word has length 65 [2022-12-14 06:28:45,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:45,659 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 772 transitions. [2022-12-14 06:28:45,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 06:28:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 772 transitions. [2022-12-14 06:28:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 06:28:45,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:45,660 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:28:45,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:28:45,661 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)] === [2022-12-14 06:28:45,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:45,661 INFO L85 PathProgramCache]: Analyzing trace with hash 641151176, now seen corresponding path program 1 times [2022-12-14 06:28:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:45,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925128836] [2022-12-14 06:28:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:45,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 06:28:45,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:45,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925128836] [2022-12-14 06:28:45,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925128836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:45,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:28:45,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:28:45,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069787037] [2022-12-14 06:28:45,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:45,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:28:45,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:28:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:28:45,787 INFO L87 Difference]: Start difference. First operand 599 states and 772 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-12-14 06:28:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:45,925 INFO L93 Difference]: Finished difference Result 1200 states and 1562 transitions. [2022-12-14 06:28:45,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:28:45,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 68 [2022-12-14 06:28:45,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:45,928 INFO L225 Difference]: With dead ends: 1200 [2022-12-14 06:28:45,928 INFO L226 Difference]: Without dead ends: 611 [2022-12-14 06:28:45,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:28:45,930 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 3 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:45,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 581 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:28:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-12-14 06:28:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 607. [2022-12-14 06:28:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 407 states have (on average 1.307125307125307) internal successors, (532), 417 states have internal predecessors, (532), 122 states have call successors, (122), 69 states have call predecessors, (122), 72 states have return successors, (128), 125 states have call predecessors, (128), 122 states have call successors, (128) [2022-12-14 06:28:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 782 transitions. [2022-12-14 06:28:45,948 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 782 transitions. Word has length 68 [2022-12-14 06:28:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:45,948 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 782 transitions. [2022-12-14 06:28:45,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-12-14 06:28:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 782 transitions. [2022-12-14 06:28:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 06:28:45,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:45,949 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:28:45,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:28:45,949 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)] === [2022-12-14 06:28:45,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1390613975, now seen corresponding path program 1 times [2022-12-14 06:28:45,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:45,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027751543] [2022-12-14 06:28:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:45,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 06:28:46,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:46,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027751543] [2022-12-14 06:28:46,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027751543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:46,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:28:46,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:28:46,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381218750] [2022-12-14 06:28:46,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:46,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:28:46,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:46,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:28:46,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:28:46,042 INFO L87 Difference]: Start difference. First operand 607 states and 782 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:28:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:46,270 INFO L93 Difference]: Finished difference Result 940 states and 1204 transitions. [2022-12-14 06:28:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:28:46,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 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 69 [2022-12-14 06:28:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:46,274 INFO L225 Difference]: With dead ends: 940 [2022-12-14 06:28:46,274 INFO L226 Difference]: Without dead ends: 938 [2022-12-14 06:28:46,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:28:46,275 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 295 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:46,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 636 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:28:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-12-14 06:28:46,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 936. [2022-12-14 06:28:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 630 states have (on average 1.2952380952380953) internal successors, (816), 643 states have internal predecessors, (816), 188 states have call successors, (188), 107 states have call predecessors, (188), 112 states have return successors, (198), 193 states have call predecessors, (198), 188 states have call successors, (198) [2022-12-14 06:28:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1202 transitions. [2022-12-14 06:28:46,304 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1202 transitions. Word has length 69 [2022-12-14 06:28:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:46,304 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1202 transitions. [2022-12-14 06:28:46,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:28:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1202 transitions. [2022-12-14 06:28:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 06:28:46,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:46,305 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:28:46,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:28:46,305 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)] === [2022-12-14 06:28:46,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:46,305 INFO L85 PathProgramCache]: Analyzing trace with hash -498038484, now seen corresponding path program 1 times [2022-12-14 06:28:46,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:46,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343076499] [2022-12-14 06:28:46,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 06:28:46,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343076499] [2022-12-14 06:28:46,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343076499] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:28:46,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641143746] [2022-12-14 06:28:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:46,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:28:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:28:46,429 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:28:46,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 06:28:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:46,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:28:46,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:28:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 06:28:46,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:28:46,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641143746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:46,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:28:46,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2022-12-14 06:28:46,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361049340] [2022-12-14 06:28:46,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:46,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:28:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:28:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:28:46,693 INFO L87 Difference]: Start difference. First operand 936 states and 1202 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-12-14 06:28:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:46,917 INFO L93 Difference]: Finished difference Result 1999 states and 2613 transitions. [2022-12-14 06:28:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:28:46,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 72 [2022-12-14 06:28:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:46,920 INFO L225 Difference]: With dead ends: 1999 [2022-12-14 06:28:46,920 INFO L226 Difference]: Without dead ends: 1135 [2022-12-14 06:28:46,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:28:46,923 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 72 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:46,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1418 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:28:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-12-14 06:28:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 946. [2022-12-14 06:28:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 640 states have (on average 1.290625) internal successors, (826), 648 states have internal predecessors, (826), 188 states have call successors, (188), 107 states have call predecessors, (188), 112 states have return successors, (198), 198 states have call predecessors, (198), 188 states have call successors, (198) [2022-12-14 06:28:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1212 transitions. [2022-12-14 06:28:46,952 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1212 transitions. Word has length 72 [2022-12-14 06:28:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:46,953 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1212 transitions. [2022-12-14 06:28:46,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-12-14 06:28:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1212 transitions. [2022-12-14 06:28:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 06:28:46,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:46,953 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, 1] [2022-12-14 06:28:46,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 06:28:47,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:28:47,154 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)] === [2022-12-14 06:28:47,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:47,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1640233737, now seen corresponding path program 1 times [2022-12-14 06:28:47,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:47,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122972703] [2022-12-14 06:28:47,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:47,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:28:47,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:47,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122972703] [2022-12-14 06:28:47,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122972703] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:28:47,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516685267] [2022-12-14 06:28:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:28:47,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:28:47,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:28:47,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 06:28:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:47,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:28:47,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:28:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:28:47,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:28:47,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516685267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:47,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:28:47,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 06:28:47,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933399229] [2022-12-14 06:28:47,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:47,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:28:47,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:47,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:28:47,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:28:47,496 INFO L87 Difference]: Start difference. First operand 946 states and 1212 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-12-14 06:28:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:47,643 INFO L93 Difference]: Finished difference Result 952 states and 1221 transitions. [2022-12-14 06:28:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:28:47,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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 75 [2022-12-14 06:28:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:47,646 INFO L225 Difference]: With dead ends: 952 [2022-12-14 06:28:47,646 INFO L226 Difference]: Without dead ends: 951 [2022-12-14 06:28:47,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:28:47,647 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 7 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:47,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 874 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:28:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-12-14 06:28:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 945. [2022-12-14 06:28:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 640 states have (on average 1.2859375) internal successors, (823), 647 states have internal predecessors, (823), 188 states have call successors, (188), 107 states have call predecessors, (188), 112 states have return successors, (198), 198 states have call predecessors, (198), 188 states have call successors, (198) [2022-12-14 06:28:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1209 transitions. [2022-12-14 06:28:47,673 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1209 transitions. Word has length 75 [2022-12-14 06:28:47,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:47,674 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1209 transitions. [2022-12-14 06:28:47,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-12-14 06:28:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1209 transitions. [2022-12-14 06:28:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 06:28:47,675 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:47,675 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, 1] [2022-12-14 06:28:47,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 06:28:47,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 06:28:47,876 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)] === [2022-12-14 06:28:47,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:47,876 INFO L85 PathProgramCache]: Analyzing trace with hash 692361776, now seen corresponding path program 1 times [2022-12-14 06:28:47,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:47,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531211962] [2022-12-14 06:28:47,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:47,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:28:48,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:48,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531211962] [2022-12-14 06:28:48,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531211962] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:28:48,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823798611] [2022-12-14 06:28:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:48,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:28:48,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:28:48,032 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:28:48,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 06:28:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:48,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:28:48,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:28:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:28:48,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:28:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:28:48,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823798611] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:28:48,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [936522177] [2022-12-14 06:28:48,320 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2022-12-14 06:28:48,320 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:28:48,320 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:28:48,320 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:28:48,320 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:28:48,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:28:48,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2022-12-14 06:28:48,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:28:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:50,910 INFO L321 Elim1Store]: treesize reduction 500, result has 47.4 percent of original size [2022-12-14 06:28:50,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1277 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 50 case distinctions, treesize of input 262 treesize of output 614 [2022-12-14 06:28:51,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:52,734 INFO L321 Elim1Store]: treesize reduction 900, result has 33.4 percent of original size [2022-12-14 06:28:52,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1328 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 100 case distinctions, treesize of input 272 treesize of output 625 [2022-12-14 06:28:53,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 06:28:53,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:28:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:54,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:28:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:54,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:28:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:55,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:28:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:28:55,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:29:12,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:29:12,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:29:12,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:29:12,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 06:29:12,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,393 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 06:29:12,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 145 [2022-12-14 06:29:12,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:29:12,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:29:12,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:29:13,203 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:29:13,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:13,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:29:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:13,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:13,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:13,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:13,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:29:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:29:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:29:13,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:29:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:13,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:13,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:29:13,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:26,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:29:26,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:26,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:26,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:29:26,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:26,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:26,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:29:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:29:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:29:26,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:29:26,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:26,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:29:30,830 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:29:30,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 974 treesize of output 995 [2022-12-14 06:29:50,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:29:50,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:50,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:50,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:50,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:29:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:29:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:29:50,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:29:50,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:29:50,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:29:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:50,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:29:50,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:50,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:29:50,706 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:30:03,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:30:03,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:30:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:30:03,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:30:03,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:30:03,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:30:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:30:03,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:30:03,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:03,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:30:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:30:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:03,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:30:03,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:03,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:30:08,291 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:30:08,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 974 treesize of output 995 [2022-12-14 06:30:16,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:30:16,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:30:16,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:16,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:16,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:16,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:30:28,349 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_ring_init with input of size 100 for LOIs [2022-12-14 06:30:28,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:30:28,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:30:28,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:28,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:30:28,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:28,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:28,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 06:30:28,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:28,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:29,027 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 06:30:29,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 422 treesize of output 397 [2022-12-14 06:30:29,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:29,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:30:29,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:29,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:29,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 366 [2022-12-14 06:30:30,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:30:30,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:30,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:30:30,397 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 114 for LOIs [2022-12-14 06:30:30,418 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_mmap with input of size 190 for LOIs [2022-12-14 06:30:30,594 INFO L197 IcfgInterpreter]: Interpreting procedure uspace_ring_map with input of size 210 for LOIs [2022-12-14 06:30:31,510 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 120 for LOIs [2022-12-14 06:30:31,518 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 116 for LOIs [2022-12-14 06:30:31,573 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:30:42,413 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 757 DAG size of output: 653 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:31:14,425 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '33526#(and (= 51 |~#tgt_miscdev~0.base|) (= ~ldvarg9~0.offset 0) (<= ~ldv_state_variable_0~0 3) (= ~ldvarg5~0.base 0) (= |uspace_ring_map_~err~18#1| 0) (<= 0 (+ |uspace_ring_map_vm_insert_page_#res#1| 2147483648)) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldvarg8~0.offset 0) (<= 0 |uspace_ring_map_~vma#1.base|) (<= 1 ~ldv_state_variable_0~0) (= ~tgt_fops_group2~0.base 0) (= ~ldvarg9~0.base 0) (= ~ldvarg7~0.offset 0) (<= 0 |uspace_ring_map_vm_insert_page_~arg0#1.base|) (<= |uspace_ring_map_vm_insert_page_~arg0#1.offset| 0) (<= 0 |uspace_ring_map_~ring#1.offset|) (<= 0 |uspace_ring_map_#in~ring#1.offset|) (= ~ldv_retval_1~0 0) (<= 47 |uspace_ring_map_~ring#1.base|) (= ~ldvarg3~0.base 0) (<= |uspace_ring_map_#in~vma#1.offset| 0) (<= |uspace_ring_map_vm_insert_page_#in~arg0#1.base| 0) (<= 0 |uspace_ring_map_vm_insert_page_#in~arg0#1.base|) (<= |uspace_ring_map_#in~vma#1.base| 0) (= ~ldv_mutex_lock~0 1) (= |~#rx_ring~0.base| 48) (<= |uspace_ring_map_vm_insert_page_#in~arg2#1.base| 0) (= ~ldvarg1~0 0) (= ~ldvarg5~0.offset 0) (<= |uspace_ring_map_~vma#1.base| 0) (= ~tgt_fops_group1~0.offset 0) (= ~ldvarg2~0.offset 0) (= 49 |~#tgt_poll_wait~0.base|) (= |~#tgt_miscdev~0.offset| 0) (<= ~scsi_tgt_cmd_cache~0.offset 0) (= |~#tx_ring~0.offset| 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |~#rx_ring~0.offset| 0) (= ~ldvarg8~0.base 0) (<= |uspace_ring_map_#in~ring#1.offset| 0) (<= 47 |uspace_ring_map_#in~ring#1.base|) (= ~ldv_state_variable_1~0 1) (<= 0 ~scsi_tgt_cmd_cache~0.offset) (= ~tgt_fops_group1~0.base 0) (= ~ref_cnt~0 0) (<= |uspace_ring_map_~ring#1.base| 47) (= ~ldvarg4~0.offset 0) (= |~#tgt_poll_wait~0.offset| 0) (<= |uspace_ring_map_#in~ring#1.base| 47) (<= |uspace_ring_map_vm_insert_page_#res#1| 2147483647) (< 2147483646 |uspace_ring_map_~i~2#1|) (= |~#tgt_fops~0.offset| 0) (= ~ldvarg0~0 0) (= |#NULL.offset| 0) (<= 0 |uspace_ring_map_vm_insert_page_~arg0#1.offset|) (= ~ldvarg4~0.base 0) (= ~ldv_retval_0~0 0) (<= 0 |uspace_ring_map_vm_insert_page_~arg2#1.base|) (= |uspace_ring_map_~page~0#1.base| 0) (<= 0 |uspace_ring_map_#in~vma#1.base|) (= |~#tgt_fops~0.base| 50) (<= 0 |uspace_ring_map_~vma#1.offset|) (= ~ldvarg6~0 0) (= ~tgt_fops_group2~0.offset 0) (<= |uspace_ring_map_~ring#1.offset| 0) (= ~ldvarg2~0.base 0) (<= |uspace_ring_map_vm_insert_page_~arg2#1.base| 0) (<= |uspace_ring_map_vm_insert_page_~arg0#1.base| 0) (<= 0 |#StackHeapBarrier|) (= ~ldvarg3~0.offset 0) (<= |uspace_ring_map_~vma#1.offset| 0) (<= 0 |uspace_ring_map_vm_insert_page_#in~arg0#1.offset|) (<= |uspace_ring_map_vm_insert_page_#in~arg0#1.offset| 0) (= ~ldvarg7~0.base 0) (= |#NULL.base| 0) (= |~#tx_ring~0.base| 47) (<= 0 |uspace_ring_map_vm_insert_page_#in~arg2#1.base|) (<= 0 |uspace_ring_map_#in~vma#1.offset|))' at error location [2022-12-14 06:31:14,425 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 06:31:14,425 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:31:14,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 06:31:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546824634] [2022-12-14 06:31:14,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 06:31:14,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:31:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:31:14,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:31:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2397, Unknown=0, NotChecked=0, Total=2652 [2022-12-14 06:31:14,427 INFO L87 Difference]: Start difference. First operand 945 states and 1209 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 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) [2022-12-14 06:31:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:31:14,612 INFO L93 Difference]: Finished difference Result 984 states and 1272 transitions. [2022-12-14 06:31:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:31:14,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 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 76 [2022-12-14 06:31:14,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:31:14,616 INFO L225 Difference]: With dead ends: 984 [2022-12-14 06:31:14,616 INFO L226 Difference]: Without dead ends: 983 [2022-12-14 06:31:14,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 173 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=255, Invalid=2397, Unknown=0, NotChecked=0, Total=2652 [2022-12-14 06:31:14,618 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 15 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:31:14,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1158 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:31:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-12-14 06:31:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 935. [2022-12-14 06:31:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 631 states have (on average 1.2805071315372425) internal successors, (808), 637 states have internal predecessors, (808), 188 states have call successors, (188), 107 states have call predecessors, (188), 112 states have return successors, (198), 198 states have call predecessors, (198), 188 states have call successors, (198) [2022-12-14 06:31:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1194 transitions. [2022-12-14 06:31:14,646 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1194 transitions. Word has length 76 [2022-12-14 06:31:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:31:14,647 INFO L495 AbstractCegarLoop]: Abstraction has 935 states and 1194 transitions. [2022-12-14 06:31:14,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 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) [2022-12-14 06:31:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1194 transitions. [2022-12-14 06:31:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 06:31:14,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:31:14,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:31:14,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 06:31:14,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 06:31:14,849 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)] === [2022-12-14 06:31:14,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:31:14,850 INFO L85 PathProgramCache]: Analyzing trace with hash -236707641, now seen corresponding path program 1 times [2022-12-14 06:31:14,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:31:14,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711297852] [2022-12-14 06:31:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:14,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:31:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:31:14,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:31:14,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711297852] [2022-12-14 06:31:14,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711297852] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:31:14,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908363461] [2022-12-14 06:31:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:14,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:31:14,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:31:14,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:31:14,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 06:31:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:15,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:31:15,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:31:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:31:15,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:31:15,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908363461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:31:15,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:31:15,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-14 06:31:15,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296689343] [2022-12-14 06:31:15,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:31:15,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:31:15,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:31:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:31:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:31:15,291 INFO L87 Difference]: Start difference. First operand 935 states and 1194 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-12-14 06:31:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:31:15,661 INFO L93 Difference]: Finished difference Result 1201 states and 1536 transitions. [2022-12-14 06:31:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:31:15,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 85 [2022-12-14 06:31:15,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:31:15,668 INFO L225 Difference]: With dead ends: 1201 [2022-12-14 06:31:15,668 INFO L226 Difference]: Without dead ends: 1199 [2022-12-14 06:31:15,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:31:15,669 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 623 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:31:15,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 699 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:31:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-12-14 06:31:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 933. [2022-12-14 06:31:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 631 states have (on average 1.277337559429477) internal successors, (806), 635 states have internal predecessors, (806), 188 states have call successors, (188), 107 states have call predecessors, (188), 112 states have return successors, (198), 198 states have call predecessors, (198), 188 states have call successors, (198) [2022-12-14 06:31:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1192 transitions. [2022-12-14 06:31:15,704 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1192 transitions. Word has length 85 [2022-12-14 06:31:15,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:31:15,704 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1192 transitions. [2022-12-14 06:31:15,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-12-14 06:31:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1192 transitions. [2022-12-14 06:31:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 06:31:15,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:31:15,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:31:15,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 06:31:15,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:31:15,906 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)] === [2022-12-14 06:31:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:31:15,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1251998376, now seen corresponding path program 1 times [2022-12-14 06:31:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:31:15,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487067517] [2022-12-14 06:31:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:15,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:31:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:31:16,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:31:16,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487067517] [2022-12-14 06:31:16,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487067517] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:31:16,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105756351] [2022-12-14 06:31:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:16,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:31:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:31:16,010 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:31:16,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 06:31:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:16,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:31:16,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:31:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:31:16,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:31:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 06:31:16,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105756351] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:31:16,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [736456050] [2022-12-14 06:31:16,386 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 06:31:16,386 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:31:16,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:31:16,387 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:31:16,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:31:16,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:31:16,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2022-12-14 06:31:16,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2022-12-14 06:31:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:19,186 INFO L321 Elim1Store]: treesize reduction 500, result has 47.4 percent of original size [2022-12-14 06:31:19,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1277 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 50 case distinctions, treesize of input 262 treesize of output 614 [2022-12-14 06:31:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:21,145 INFO L321 Elim1Store]: treesize reduction 900, result has 33.4 percent of original size [2022-12-14 06:31:21,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 53 select indices, 53 select index equivalence classes, 1328 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 100 case distinctions, treesize of input 272 treesize of output 625 [2022-12-14 06:31:22,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:31:22,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 06:31:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:22,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:31:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:22,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:31:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:23,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 52 select indices, 52 select index equivalence classes, 1327 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 157 [2022-12-14 06:31:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:23,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 53 select indices, 53 select index equivalence classes, 1378 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 160 [2022-12-14 06:31:41,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:31:41,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:31:41,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:31:41,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:41,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 06:31:41,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:41,262 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 06:31:41,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 145 [2022-12-14 06:31:41,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:31:41,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:31:41,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:31:42,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:31:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:31:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:31:42,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:31:42,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:31:42,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:31:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:31:42,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:42,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:31:42,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:31:42,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:42,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:42,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:31:42,600 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:31:55,115 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:31:55,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:31:55,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:31:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:31:55,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:55,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:31:55,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:31:55,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:55,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:31:55,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:31:55,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:31:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:31:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:55,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:31:55,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:31:59,835 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:31:59,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 962 treesize of output 983 [2022-12-14 06:32:19,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:32:19,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:19,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:32:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:32:19,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:19,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:19,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:32:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:32:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:32:19,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:32:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:19,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:32:19,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:19,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:19,553 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:32:32,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:32:32,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:32,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 300 [2022-12-14 06:32:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:32:32,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2022-12-14 06:32:32,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:32,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:32,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 06:32:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-14 06:32:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 06:32:32,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 294 [2022-12-14 06:32:32,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:32:32,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 351 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2022-12-14 06:32:32,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-12-14 06:32:36,827 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:32:36,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 962 treesize of output 983 [2022-12-14 06:32:42,841 INFO L321 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2022-12-14 06:32:42,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2022-12-14 06:32:42,856 INFO L321 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2022-12-14 06:32:42,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2022-12-14 06:32:42,864 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 06:32:42,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 06:32:43,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:32:43,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:32:43,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:43,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:43,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:43,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:44,979 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:32:44,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 412 treesize of output 433 [2022-12-14 06:32:52,530 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:32:52,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 412 treesize of output 433 [2022-12-14 06:32:55,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:32:55,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:32:55,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:55,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:55,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:55,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:32:57,767 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:32:57,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 406 treesize of output 427 [2022-12-14 06:33:02,442 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:33:02,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 406 treesize of output 427 [2022-12-14 06:33:05,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:33:05,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:33:05,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:05,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:05,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:05,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:07,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:07,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:09,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:09,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:16,344 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 06:33:16,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 514 treesize of output 531 [2022-12-14 06:33:24,019 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:33:24,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 335 treesize of output 356 [2022-12-14 06:33:25,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:33:25,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 06:33:25,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:25,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:25,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:25,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 06:33:26,362 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_ring_init with input of size 212 for LOIs [2022-12-14 06:33:26,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 346 [2022-12-14 06:33:26,878 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 06:33:26,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 340 treesize of output 351 [2022-12-14 06:33:27,567 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 06:33:27,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 346 treesize of output 357 [2022-12-14 06:33:27,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 334 [2022-12-14 06:33:28,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:33:28,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:28,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 06:33:28,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:33:28,605 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 06:33:28,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 358 treesize of output 333 [2022-12-14 06:33:28,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:28,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:33:29,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:33:29,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 06:33:29,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:29,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 06:33:30,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 346 [2022-12-14 06:33:30,093 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 06:33:30,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 340 treesize of output 351 [2022-12-14 06:33:30,519 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 217 for LOIs [2022-12-14 06:33:30,783 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 113 for LOIs [2022-12-14 06:33:30,791 INFO L197 IcfgInterpreter]: Interpreting procedure tgt_open with input of size 114 for LOIs [2022-12-14 06:33:30,829 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 117 for LOIs [2022-12-14 06:33:30,886 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:33:59,248 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '40211#(and (= 51 |~#tgt_miscdev~0.base|) (= ~ldvarg9~0.offset 0) (<= ~ldv_state_variable_0~0 3) (= ~ldvarg5~0.base 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldvarg8~0.offset 0) (<= 1 ~ldv_state_variable_0~0) (= ~tgt_fops_group2~0.base 0) (= ~ldvarg9~0.base 0) (= ~ldvarg7~0.offset 0) (< 2147483648 ~ref_cnt~0) (= ~ldv_retval_1~0 0) (<= |ULTIMATE.start_main_~tmp~14#1| 2147483647) (= ~ldvarg3~0.base 0) (= ~ldv_mutex_lock~0 1) (= |~#rx_ring~0.base| 48) (= ~ldvarg1~0 0) (= ~ldvarg5~0.offset 0) (= ~tgt_fops_group1~0.offset 0) (= ~ldvarg2~0.offset 0) (= 49 |~#tgt_poll_wait~0.base|) (= |~#tgt_miscdev~0.offset| 0) (<= ~scsi_tgt_cmd_cache~0.offset 0) (= |~#tx_ring~0.offset| 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |~#rx_ring~0.offset| 0) (= ~ldvarg8~0.base 0) (= 5 |ULTIMATE.start_ldv_main_exported_1_~tmp~21#1|) (= ~ldv_state_variable_1~0 1) (<= 0 ~scsi_tgt_cmd_cache~0.offset) (= ~tgt_fops_group1~0.base 0) (= ~ldvarg4~0.offset 0) (= |~#tgt_poll_wait~0.offset| 0) (<= |ULTIMATE.start_ldv_tgt_fops_release_1_#res#1| 2147483647) (= |~#tgt_fops~0.offset| 0) (= ~ldvarg0~0 0) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_main_~tmp~14#1| 2147483648)) (= ~ldvarg4~0.base 0) (= ~ldv_retval_0~0 0) |ULTIMATE.start_ldv_main_exported_1_#t~switch394#1| (= |~#tgt_fops~0.base| 50) (= ~ldvarg6~0 0) (= ~tgt_fops_group2~0.offset 0) (= ~ldvarg2~0.base 0) (<= 0 |#StackHeapBarrier|) (= ~ldvarg3~0.offset 0) (<= 0 (+ |ULTIMATE.start_ldv_tgt_fops_release_1_#res#1| 2147483648)) (= ~ldvarg7~0.base 0) (= |#NULL.base| 0) (= |~#tx_ring~0.base| 47))' at error location [2022-12-14 06:33:59,248 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 06:33:59,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:33:59,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 3] total 6 [2022-12-14 06:33:59,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504196760] [2022-12-14 06:33:59,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 06:33:59,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:33:59,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:33:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=3036, Unknown=0, NotChecked=0, Total=3306 [2022-12-14 06:33:59,250 INFO L87 Difference]: Start difference. First operand 933 states and 1192 transitions. Second operand has 7 states, 6 states have (on average 24.666666666666668) internal successors, (148), 7 states have internal predecessors, (148), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-14 06:33:59,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:33:59,984 INFO L93 Difference]: Finished difference Result 1791 states and 2293 transitions. [2022-12-14 06:33:59,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:33:59,985 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.666666666666668) internal successors, (148), 7 states have internal predecessors, (148), 4 states have call successors, (16), 2 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 86 [2022-12-14 06:33:59,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:33:59,993 INFO L225 Difference]: With dead ends: 1791 [2022-12-14 06:33:59,993 INFO L226 Difference]: Without dead ends: 1789 [2022-12-14 06:33:59,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=270, Invalid=3036, Unknown=0, NotChecked=0, Total=3306 [2022-12-14 06:33:59,994 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 1559 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:33:59,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 934 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 06:33:59,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-12-14 06:34:00,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1523. [2022-12-14 06:34:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1028 states have (on average 1.277237354085603) internal successors, (1313), 1033 states have internal predecessors, (1313), 310 states have call successors, (310), 176 states have call predecessors, (310), 184 states have return successors, (326), 326 states have call predecessors, (326), 310 states have call successors, (326) [2022-12-14 06:34:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1949 transitions. [2022-12-14 06:34:00,048 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1949 transitions. Word has length 86 [2022-12-14 06:34:00,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:00,048 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 1949 transitions. [2022-12-14 06:34:00,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.666666666666668) internal successors, (148), 7 states have internal predecessors, (148), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-14 06:34:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1949 transitions. [2022-12-14 06:34:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 06:34:00,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:00,051 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:34:00,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 06:34:00,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:34:00,252 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)] === [2022-12-14 06:34:00,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1286645411, now seen corresponding path program 1 times [2022-12-14 06:34:00,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:00,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154827604] [2022-12-14 06:34:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 06:34:00,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:00,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154827604] [2022-12-14 06:34:00,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154827604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:00,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:34:00,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:34:00,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428277349] [2022-12-14 06:34:00,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:00,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:34:00,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:00,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:34:00,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:34:00,378 INFO L87 Difference]: Start difference. First operand 1523 states and 1949 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 06:34:00,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:00,603 INFO L93 Difference]: Finished difference Result 2844 states and 3650 transitions. [2022-12-14 06:34:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:34:00,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (7), 1 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 107 [2022-12-14 06:34:00,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:00,606 INFO L225 Difference]: With dead ends: 2844 [2022-12-14 06:34:00,606 INFO L226 Difference]: Without dead ends: 1395 [2022-12-14 06:34:00,609 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 [2022-12-14 06:34:00,609 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 301 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:00,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 777 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:34:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2022-12-14 06:34:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2022-12-14 06:34:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 932 states have (on average 1.2607296137339057) internal successors, (1175), 939 states have internal predecessors, (1175), 294 states have call successors, (294), 162 states have call predecessors, (294), 168 states have return successors, (306), 306 states have call predecessors, (306), 294 states have call successors, (306) [2022-12-14 06:34:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1775 transitions. [2022-12-14 06:34:00,658 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1775 transitions. Word has length 107 [2022-12-14 06:34:00,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:00,658 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1775 transitions. [2022-12-14 06:34:00,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 06:34:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1775 transitions. [2022-12-14 06:34:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 06:34:00,661 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:00,661 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:34:00,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 06:34:00,661 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)] === [2022-12-14 06:34:00,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:00,662 INFO L85 PathProgramCache]: Analyzing trace with hash 305784124, now seen corresponding path program 1 times [2022-12-14 06:34:00,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:00,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549276444] [2022-12-14 06:34:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:00,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 06:34:00,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:00,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549276444] [2022-12-14 06:34:00,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549276444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:00,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:34:00,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:34:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014786695] [2022-12-14 06:34:00,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:00,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:34:00,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:00,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:34:00,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:34:00,884 INFO L87 Difference]: Start difference. First operand 1395 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-14 06:34:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:01,150 INFO L93 Difference]: Finished difference Result 3841 states and 4919 transitions. [2022-12-14 06:34:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:34:01,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (10), 1 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 176 [2022-12-14 06:34:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:01,156 INFO L225 Difference]: With dead ends: 3841 [2022-12-14 06:34:01,156 INFO L226 Difference]: Without dead ends: 2026 [2022-12-14 06:34:01,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:34:01,160 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 323 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:01,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 956 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:34:01,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2022-12-14 06:34:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2019. [2022-12-14 06:34:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2019 states, 1338 states have (on average 1.2623318385650224) internal successors, (1689), 1351 states have internal predecessors, (1689), 440 states have call successors, (440), 234 states have call predecessors, (440), 240 states have return successors, (452), 452 states have call predecessors, (452), 440 states have call successors, (452) [2022-12-14 06:34:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2581 transitions. [2022-12-14 06:34:01,245 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2581 transitions. Word has length 176 [2022-12-14 06:34:01,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:01,245 INFO L495 AbstractCegarLoop]: Abstraction has 2019 states and 2581 transitions. [2022-12-14 06:34:01,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-14 06:34:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2581 transitions. [2022-12-14 06:34:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 06:34:01,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:01,248 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:34:01,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 06:34:01,248 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)] === [2022-12-14 06:34:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2051269203, now seen corresponding path program 1 times [2022-12-14 06:34:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:01,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109829101] [2022-12-14 06:34:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:01,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-12-14 06:34:01,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:01,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109829101] [2022-12-14 06:34:01,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109829101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:01,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:34:01,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:34:01,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736962321] [2022-12-14 06:34:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:01,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:34:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:01,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:34:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:34:01,393 INFO L87 Difference]: Start difference. First operand 2019 states and 2581 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:34:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:01,645 INFO L93 Difference]: Finished difference Result 4080 states and 5231 transitions. [2022-12-14 06:34:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:34:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 1 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 183 [2022-12-14 06:34:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:01,650 INFO L225 Difference]: With dead ends: 4080 [2022-12-14 06:34:01,650 INFO L226 Difference]: Without dead ends: 2131 [2022-12-14 06:34:01,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:34:01,653 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 177 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:01,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1001 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:34:01,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2022-12-14 06:34:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2023. [2022-12-14 06:34:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 1342 states have (on average 1.2608047690014903) internal successors, (1692), 1355 states have internal predecessors, (1692), 440 states have call successors, (440), 234 states have call predecessors, (440), 240 states have return successors, (452), 452 states have call predecessors, (452), 440 states have call successors, (452) [2022-12-14 06:34:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2584 transitions. [2022-12-14 06:34:01,725 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2584 transitions. Word has length 183 [2022-12-14 06:34:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:01,726 INFO L495 AbstractCegarLoop]: Abstraction has 2023 states and 2584 transitions. [2022-12-14 06:34:01,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:34:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2584 transitions. [2022-12-14 06:34:01,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 06:34:01,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:01,729 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:34:01,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 06:34:01,729 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)] === [2022-12-14 06:34:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:01,729 INFO L85 PathProgramCache]: Analyzing trace with hash -57902726, now seen corresponding path program 1 times [2022-12-14 06:34:01,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:01,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226718273] [2022-12-14 06:34:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:01,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-12-14 06:34:01,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:01,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226718273] [2022-12-14 06:34:01,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226718273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:01,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:34:01,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:34:01,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667109301] [2022-12-14 06:34:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:01,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:34:01,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:01,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:34:01,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:34:01,914 INFO L87 Difference]: Start difference. First operand 2023 states and 2584 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 06:34:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:02,047 INFO L93 Difference]: Finished difference Result 2521 states and 3223 transitions. [2022-12-14 06:34:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:34:02,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 198 [2022-12-14 06:34:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:02,047 INFO L225 Difference]: With dead ends: 2521 [2022-12-14 06:34:02,048 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:34:02,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:34:02,051 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 270 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:02,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 389 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:34:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:34:02,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:34:02,052 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) [2022-12-14 06:34:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:34:02,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2022-12-14 06:34:02,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:02,052 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:34:02,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 06:34:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:34:02,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:34:02,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-14 06:34:02,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-14 06:34:02,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-14 06:34:02,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 06:34:02,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 06:34:03,758 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7281 7291) the Hoare annotation is: true [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point tgt_ring_idx_incEXIT(lines 7281 7291) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8215 8217) the Hoare annotation is: true [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point __raw_spin_lock_initEXIT(lines 8215 8217) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point L7600-1(line 7600) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7600) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point tgt_ring_exitEXIT(lines 7593 7610) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L899 garLoopResultBuilder]: For program point L7600(line 7600) no Hoare annotation was computed. [2022-12-14 06:34:03,758 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7593 7610) the Hoare annotation is: true [2022-12-14 06:34:03,758 INFO L895 garLoopResultBuilder]: At program point $Ultimate##2(lines 7602 7606) 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|))) [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7545) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point L7545-1(line 7545) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point L7545(line 7545) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point L7540(lines 7540 7543) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapEXIT(lines 7528 7555) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7528 7555) the Hoare annotation is: true [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point uspace_ring_mapFINAL(lines 7528 7555) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L895 garLoopResultBuilder]: At program point $Ultimate##4(lines 7547 7551) 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))))) [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point L6615-1(line 6615) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L902 garLoopResultBuilder]: At program point L6615(line 6615) the Hoare annotation is: true [2022-12-14 06:34:03,759 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-12-14 06:34:03,759 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6575-1(line 6575) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6575(line 6575) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L6571-1(line 6571) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6571(line 6571) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L6572-1(line 6572) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6572(line 6572) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6573-1(line 6573) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6573(line 6573) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6604 6619) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_destroyEXIT(lines 6604 6619) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L6427-1(line 6427) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6427(line 6427) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L6940(lines 6940 6944) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L6973-1(line 6973) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6973(line 6973) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L7469(line 7469) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L6974(line 6974) the Hoare annotation is: true [2022-12-14 06:34:03,760 INFO L899 garLoopResultBuilder]: For program point L7007-1(line 7007) no Hoare annotation was computed. [2022-12-14 06:34:03,760 INFO L902 garLoopResultBuilder]: At program point L7007(line 7007) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_it_nexus_rsp_returnLabel#1(lines 7048 7069) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L6974-1(line 6974) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_exec_returnLabel#1(lines 6920 6987) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6430(line 6430) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6975-1(line 6975) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L7487(lines 7485 7499) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6975(line 6975) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L7008(lines 7008 7012) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6876-1(line 6876) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6876(line 6876) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L6430-1(line 6430) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L6893-1(line 6893) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6893(line 6893) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L7488-1(line 7488) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L7488(line 7488) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6431-2(lines 6431 6435) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6960-2(lines 6932 6986) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6960(lines 6960 6963) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L7489(lines 7489 7492) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L899 garLoopResultBuilder]: For program point L6895-1(line 6895) no Hoare annotation was computed. [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6895(line 6895) the Hoare annotation is: true [2022-12-14 06:34:03,761 INFO L902 garLoopResultBuilder]: At program point L6830(lines 6830 6834) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6896-1(line 6896) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6896(line 6896) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6946(lines 6946 6951) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6831-1(lines 6818 6840) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6831(line 6831) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L7459(line 7459) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6964-1(lines 6964 6981) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L7493-1(line 7493) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6436(line 6436) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L7493(line 7493) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L7477(lines 7456 7479) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6916(line 6916) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L7065(lines 7051 7068) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6421-1(line 6421) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6421(line 6421) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7481 7500) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6983(lines 6932 6986) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point $Ultimate##12(lines 6910 6914) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L7066(line 7066) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6934(line 6934) the Hoare annotation is: true [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6422(lines 6422 6438) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L899 garLoopResultBuilder]: For program point L6967(lines 6967 6979) no Hoare annotation was computed. [2022-12-14 06:34:03,762 INFO L902 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6901(lines 6901 6906) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6984(line 6984) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point scsi_tgt_kspace_tsk_mgmt_returnLabel#1(lines 7002 7023) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6423-1(line 6423) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6935(lines 6935 6939) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L6423(line 6423) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point tgt_writeEXIT(lines 7481 7500) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L-1-5(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L6903-1(lines 6890 6918) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L6870(line 6870) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L6903(line 6903) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,763 INFO L902 garLoopResultBuilder]: At program point L-1-10(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,763 INFO L899 garLoopResultBuilder]: For program point L6870-1(line 6870) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L7019(lines 7005 7022) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L6953(lines 6953 6957) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7465(line 7465) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L6838(line 6838) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L6425-1(line 6425) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L6425(line 6425) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7020(line 7020) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7053-1(line 7053) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L7053(line 7053) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L6822(lines 6822 6827) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point scsi_map_user_pages_returnLabel#1(lines 6813 6841) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L6426(lines 6426 6437) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L6971-1(line 6971) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L6971(line 6971) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L6426-2(lines 6422 6438) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7054(lines 7054 7058) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7616-1(lines 7616 7617) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point L7616(lines 7616 7617) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initFINAL(lines 7611 7637) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7627-1(line 7627) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point L7627(line 7627) no Hoare annotation was computed. [2022-12-14 06:34:03,764 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7611 7637) the Hoare annotation is: true [2022-12-14 06:34:03,764 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L895 garLoopResultBuilder]: At program point $Ultimate##4(lines 7629 7633) 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 (= ~ref_cnt~0 0)) (not (= ~ldv_state_variable_0~0 1)) (= |tgt_ring_init_~i~4#1| 0)) [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7615-1(line 7615) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point L7615(line 7615) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initEXIT(lines 7611 7637) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7622(lines 7622 7626) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point tgt_ring_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7627) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 7842 7847) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7842 7847) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point list_delEXIT(lines 8290 8292) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8290 8292) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point kmem_cache_freeEXIT(lines 8283 8285) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8283 8285) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point tgt_head_eventEXIT(lines 7292 7300) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7292 7300) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7519(line 7519) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7513-1(line 7513) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point L7513(line 7513) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7501 7527) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7524(line 7524) no Hoare annotation was computed. [2022-12-14 06:34:03,765 INFO L902 garLoopResultBuilder]: At program point L7520-2(lines 7520 7523) the Hoare annotation is: true [2022-12-14 06:34:03,765 INFO L899 garLoopResultBuilder]: For program point L7512-1(line 7512) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point L7512(line 7512) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point L7514-2(lines 7514 7518) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point tgt_pollEXIT(lines 7501 7527) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6597 6603) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point scsi_unmap_user_pagesEXIT(lines 6597 6603) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveEXIT(lines 8235 8237) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8235 8237) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8335 8337) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point scsi_host_putEXIT(lines 8335 8337) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6456 6476) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point hash_64EXIT(lines 6456 6476) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7849 7854) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7849 7854) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7580 7587) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point tgt_openEXIT(lines 7580 7587) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point L8333-1(line 8333) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point L8333(line 8333) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8332 8334) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point scsi_host_lookupEXIT(lines 8332 8334) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point L7576-1(line 7576) no Hoare annotation was computed. [2022-12-14 06:34:03,766 INFO L902 garLoopResultBuilder]: At program point L7576(line 7576) the Hoare annotation is: true [2022-12-14 06:34:03,766 INFO L899 garLoopResultBuilder]: For program point L7571-1(line 7571) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point tgt_mmapEXIT(lines 7556 7579) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point L7571(line 7571) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point L7572(lines 7572 7575) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point tgt_mmapFINAL(lines 7556 7579) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point L7564(lines 7564 7569) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7556 7579) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point L7560(lines 7560 7563) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8342 8344) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point scsi_release_buffersEXIT(lines 8342 8344) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point kmem_cache_destroyEXIT(lines 8280 8282) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8280 8282) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 6348 6354) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6348 6354) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 6377 6386) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6377 6386) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point destroy_workqueueEXIT(lines 8261 8263) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8261 8263) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 8231 8233) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8231 8233) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6298) the Hoare annotation is: true [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point list_addEXIT(lines 6292 6298) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2022-12-14 06:34:03,767 INFO L899 garLoopResultBuilder]: For program point L7137(lines 7137 7142) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7699-1(line 7699) no Hoare annotation was computed. [2022-12-14 06:34:03,768 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)) [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_init_returnLabel#1(lines 7070 7101) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_#res#1| 12) 0)) (and .cse0 (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (= |ULTIMATE.start_scsi_tgt_init_#res#1| 0) (= ~ldv_state_variable_1~0 2) (<= 1 ~ref_cnt~0) (<= ~ref_cnt~0 1)) (and .cse0 (= ~ldv_state_variable_1~0 0) .cse1))) [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point L7650(line 7650) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7716(line 7716) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7105-1(line 7105) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L902 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: true [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7650-1(line 7650) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point L8278(line 8278) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point L7667(lines 7649 7671) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (= ~ldv_state_variable_1~0 0) .cse1))) [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point L8278-1(line 8278) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7750(line 7750) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7717-2(lines 7691 7756) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7651(lines 7651 7654) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7717(lines 7717 7721) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7750-1(line 7750) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L899 garLoopResultBuilder]: For program point L7090(lines 7090 7093) no Hoare annotation was computed. [2022-12-14 06:34:03,768 INFO L895 garLoopResultBuilder]: At program point L7123(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) .cse0 .cse1))) [2022-12-14 06:34:03,768 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)) [2022-12-14 06:34:03,769 INFO L895 garLoopResultBuilder]: At program point ldv_main_exported_1_returnLabel#1(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)))) [2022-12-14 06:34:03,769 INFO L895 garLoopResultBuilder]: At program point L7107-1(lines 7102 7110) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-12-14 06:34:03,769 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: (= ~ldv_state_variable_1~0 0) [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7718-1(line 7718) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7735(line 7735) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7669(line 7669) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L8181(lines 8181 8184) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7736(lines 7736 7744) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7126(line 7126) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L8183-1(lines 8180 8194) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L902 garLoopResultBuilder]: At program point L8183(line 8183) the Hoare annotation is: true [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7704(line 7704) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7737-1(line 7737) no Hoare annotation was computed. [2022-12-14 06:34:03,769 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)) [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7655-1(line 7655) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L895 garLoopResultBuilder]: At program point L7655(line 7655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7077(lines 7077 7080) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7738(lines 7738 7742) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7127(lines 7127 7130) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7705-2(lines 7691 7756) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7705(lines 7705 7709) no Hoare annotation was computed. [2022-12-14 06:34:03,769 INFO L899 garLoopResultBuilder]: For program point L7144(line 7144) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L895 garLoopResultBuilder]: At program point L7656(lines 7656 7659) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 0) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7750) no Hoare annotation was computed. [2022-12-14 06:34:03,770 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)) [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7706-1(line 7706) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7723-1(line 7723) no Hoare annotation was computed. [2022-12-14 06:34:03,770 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)) [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7145(lines 7145 7157) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7740-1(line 7740) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7740(line 7740) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L902 garLoopResultBuilder]: At program point L7641-1(line 7641) the Hoare annotation is: true [2022-12-14 06:34:03,770 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7075 7100) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (<= (+ |ULTIMATE.start_scsi_tgt_init_~err~11#1| 12) 0)) (and .cse0 (= ~ldv_state_variable_1~0 0) .cse1))) [2022-12-14 06:34:03,770 INFO L902 garLoopResultBuilder]: At program point L7641(line 7641) the Hoare annotation is: true [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L902 garLoopResultBuilder]: At program point L7642(line 7642) the Hoare annotation is: true [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L8187-1(lines 8180 8194) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L902 garLoopResultBuilder]: At program point L8187(line 8187) the Hoare annotation is: true [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7692(line 7692) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7147-2(lines 7145 7156) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7740) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7098(line 7098) no Hoare annotation was computed. [2022-12-14 06:34:03,770 INFO L899 garLoopResultBuilder]: For program point L7693-2(lines 7691 7756) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7693(lines 7693 7697) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7132(line 7132) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L902 garLoopResultBuilder]: At program point main_ldv_final#1(lines 7118 7174) the Hoare annotation is: true [2022-12-14 06:34:03,771 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)) [2022-12-14 06:34:03,771 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_if_init_free_rx_ring#1(lines 7649 7671) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0)) [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7694-1(line 7694) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7661(lines 7661 7664) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_init_destroy_wq#1(lines 7075 7100) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (= ~ldv_state_variable_1~0 0) .cse1))) [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7711-1(line 7711) no Hoare annotation was computed. [2022-12-14 06:34:03,771 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)) [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7133(lines 7133 7164) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L895 garLoopResultBuilder]: At program point L7728(line 7728) 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)))) [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7084(lines 7084 7088) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L902 garLoopResultBuilder]: At program point L8191-1(lines 8178 8195) the Hoare annotation is: true [2022-12-14 06:34:03,771 INFO L902 garLoopResultBuilder]: At program point L8191(line 8191) the Hoare annotation is: true [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7746(line 7746) no Hoare annotation was computed. [2022-12-14 06:34:03,771 INFO L895 garLoopResultBuilder]: At program point L7747(lines 7747 7752) 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)))) [2022-12-14 06:34:03,771 INFO L899 garLoopResultBuilder]: For program point L7136(line 7136) no Hoare annotation was computed. [2022-12-14 06:34:03,772 INFO L895 garLoopResultBuilder]: At program point scsi_tgt_if_init_returnLabel#1(lines 7647 7672) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= ~ref_cnt~0 0))) (or (and .cse0 (= ~ldv_state_variable_1~0 1) .cse1) (and .cse0 (= ~ldv_state_variable_1~0 0) .cse1))) [2022-12-14 06:34:03,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6765 6771) the Hoare annotation is: true [2022-12-14 06:34:03,772 INFO L899 garLoopResultBuilder]: For program point scsi_tgt_cmd_to_hostEXIT(lines 6765 6771) no Hoare annotation was computed. [2022-12-14 06:34:03,772 INFO L899 garLoopResultBuilder]: For program point spinlock_checkEXIT(lines 6342 6347) no Hoare annotation was computed. [2022-12-14 06:34:03,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6342 6347) the Hoare annotation is: true [2022-12-14 06:34:03,774 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] [2022-12-14 06:34:03,775 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:34:03,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:34:03 BoogieIcfgContainer [2022-12-14 06:34:03,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:34:03,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:34:03,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:34:03,788 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:34:03,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:23:51" (3/4) ... [2022-12-14 06:34:03,790 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:34:03,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_idx_inc [2022-12-14 06:34:03,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2022-12-14 06:34:03,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_exit [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uspace_ring_map [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_destroy [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_write [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_ring_init [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_free [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_head_event [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_poll [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_unmap_user_pages [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_put [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_64 [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_open [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_host_lookup [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure tgt_mmap [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_release_buffers [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmem_cache_destroy [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-12-14 06:34:03,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2022-12-14 06:34:03,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scsi_tgt_cmd_to_host [2022-12-14 06:34:03,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2022-12-14 06:34:03,808 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 247 nodes and edges [2022-12-14 06:34:03,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2022-12-14 06:34:03,810 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 06:34:03,811 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 06:34:03,811 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 06:34:03,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:34:03,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((ldv_state_variable_0 == 1 && \result + 12 <= 0) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 1) && ref_cnt == 0)) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ref_cnt <= 1)) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) [2022-12-14 06:34:03,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:34:03,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:34:03,906 INFO L158 Benchmark]: Toolchain (without parser) took 615490.98ms. Allocated memory was 132.1MB in the beginning and 346.0MB in the end (delta: 213.9MB). Free memory was 84.4MB in the beginning and 221.4MB in the end (delta: -136.9MB). Peak memory consumption was 209.1MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,906 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:34:03,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.98ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 84.0MB in the beginning and 63.2MB in the end (delta: 20.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.63ms. Allocated memory is still 165.7MB. Free memory was 63.2MB in the beginning and 102.0MB in the end (delta: -38.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,907 INFO L158 Benchmark]: Boogie Preprocessor took 79.62ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 93.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,907 INFO L158 Benchmark]: RCFGBuilder took 1257.76ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 93.6MB in the beginning and 71.6MB in the end (delta: 22.1MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,907 INFO L158 Benchmark]: TraceAbstraction took 612624.50ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 70.5MB in the beginning and 99.7MB in the end (delta: -29.1MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,907 INFO L158 Benchmark]: Witness Printer took 117.94ms. Allocated memory is still 346.0MB. Free memory was 99.7MB in the beginning and 221.4MB in the end (delta: -121.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 06:34:03,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.98ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 84.0MB in the beginning and 63.2MB in the end (delta: 20.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.63ms. Allocated memory is still 165.7MB. Free memory was 63.2MB in the beginning and 102.0MB in the end (delta: -38.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.62ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 93.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1257.76ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 93.6MB in the beginning and 71.6MB in the end (delta: 22.1MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * TraceAbstraction took 612624.50ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 70.5MB in the beginning and 99.7MB in the end (delta: -29.1MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. * Witness Printer took 117.94ms. Allocated memory is still 346.0MB. Free memory was 99.7MB in the beginning and 221.4MB in the end (delta: -121.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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, 288 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 612.5s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4464 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4434 mSDsluCounter, 21978 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13641 mSDsCounter, 410 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5229 IncrementalHoareTripleChecker+Invalid, 5639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 410 mSolverCounterUnsat, 8337 mSDtfsCounter, 5229 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1279 GetRequests, 1034 SyntacticMatches, 13 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3061 ImplicationChecksByTransitivity, 256.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2023occurred in iteration=23, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 1131 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 132 LocationsWithAnnotation, 6753 PreInvPairs, 7049 NumberOfFragments, 618 HoareAnnotationTreeSize, 6753 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 132 FomulaSimplificationsInter, 12573 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2405 NumberOfCodeBlocks, 2405 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2616 ConstructedInterpolants, 0 QuantifiedInterpolants, 3839 SizeOfPredicates, 4 NumberOfNonLiveVariables, 10620 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 40 InterpolantComputations, 20 PerfectInterpolantSequences, 1229/1319 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: 6916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7456]: 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 && ldv_state_variable_1 == 1) && ref_cnt == 0)) || ((((ldv_state_variable_0 == 1 && \result == 0) && ldv_state_variable_1 == 2) && 1 <= ref_cnt) && ref_cnt <= 1)) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 7002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7747]: 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_state_variable_1 == 1) && ref_cnt == 0) || (ldv_state_variable_0 == 1 && err + 12 <= 0)) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 7489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 1) && ref_cnt == 0) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 6932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: (ldv_state_variable_0 == 1 && ldv_state_variable_1 == 1) && ref_cnt == 0 - InvariantResult [Line: 7005]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7656]: Loop Invariant Derived loop invariant: (ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 7649]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 1) && ref_cnt == 0) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 8278]: Loop Invariant Derived loop invariant: (ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0 - InvariantResult [Line: 7642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7629]: Loop Invariant Derived loop invariant: (((!(ldv_state_variable_1 == 0) || (i <= 2147483646 && 1 <= i)) || !(ref_cnt == 0)) || !(ldv_state_variable_0 == 1)) || i == 0 - InvariantResult [Line: 7102]: Loop Invariant Derived loop invariant: ldv_state_variable_1 == 0 - InvariantResult [Line: 6597]: Loop Invariant Derived loop invariant: 1 - 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_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 6910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7602]: Loop Invariant Derived loop invariant: i == 0 || (i <= 2147483646 && 1 <= i) - InvariantResult [Line: 7547]: 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: 7048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7728]: 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: 6422]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7075]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 1) && ref_cnt == 0) || ((ldv_state_variable_0 == 1 && ldv_state_variable_1 == 0) && ref_cnt == 0) - InvariantResult [Line: 6573]: 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) RESULT: Ultimate proved your program to be correct! [2022-12-14 06:34:03,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e52b069-c86d-43c0-80f0-af248c3fdb38/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE