./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:14:55,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:14:55,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:14:55,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:14:55,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:14:55,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:14:55,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:14:55,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:14:55,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:14:55,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:14:55,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:14:55,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:14:55,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:14:55,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:14:55,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:14:55,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:14:55,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:14:55,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:14:55,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:14:55,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:14:55,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:14:55,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:14:55,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:14:55,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:14:55,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:14:55,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:14:55,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:14:55,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:14:55,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:14:55,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:14:55,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:14:55,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:14:55,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:14:55,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:14:55,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:14:55,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:14:55,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:14:55,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:14:55,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:14:55,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:14:55,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:14:55,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:14:55,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:14:55,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:14:55,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:14:55,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:14:55,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:14:55,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:14:55,355 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:14:55,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:14:55,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:14:55,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:14:55,357 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:14:55,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:14:55,358 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:14:55,358 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:14:55,359 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:14:55,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:14:55,359 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:14:55,360 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:14:55,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:14:55,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:14:55,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:14:55,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:14:55,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:14:55,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:14:55,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:14:55,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:14:55,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:14:55,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:14:55,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:14:55,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:55,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:14:55,364 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:14:55,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:14:55,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:14:55,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:14:55,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:14:55,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:14:55,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:14:55,366 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_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-25 23:14:55,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:14:55,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:14:55,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:14:55,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:14:55,667 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:14:55,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-25 23:14:58,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:14:59,344 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:14:59,344 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-25 23:14:59,381 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/data/144722093/f790c5ebce37456d9ab975dba01d0fba/FLAG801491277 [2022-11-25 23:14:59,397 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/data/144722093/f790c5ebce37456d9ab975dba01d0fba [2022-11-25 23:14:59,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:14:59,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:14:59,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:59,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:14:59,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:14:59,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fd0c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59, skipping insertion in model container [2022-11-25 23:14:59,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:14:59,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:15:00,231 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:15:00,236 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:15:00,249 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:15:00,307 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:15:00,349 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:15:00,368 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:00,403 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:15:00,407 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:15:00,409 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:15:00,410 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:15:00,415 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:15:00,416 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:15:00,417 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:15:00,418 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 23:15:00,482 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:15:00,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-25 23:15:00,616 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-11-25 23:15:00,626 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-11-25 23:15:00,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,696 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-11-25 23:15:00,758 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-11-25 23:15:00,762 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,762 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,764 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,766 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,771 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,772 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,777 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-11-25 23:15:00,778 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,784 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,785 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,790 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,791 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,801 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-11-25 23:15:00,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,816 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-11-25 23:15:00,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,817 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-11-25 23:15:00,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,823 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:15:00,843 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,853 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-11-25 23:15:00,855 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,866 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-11-25 23:15:00,871 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:00,875 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:15:00,884 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:15:00,885 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:00,921 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:00,923 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:15:00,923 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-25 23:15:00,923 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-25 23:15:00,924 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:15:00,924 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:00,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:00,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,929 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:15:00,930 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:15:00,931 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:15:00,933 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 23:15:00,941 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,945 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:00,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:00,948 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,952 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:00,957 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:15:00,958 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:15:00,960 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:15:00,961 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-11-25 23:15:00,966 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:00,971 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:15:00,971 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:00,975 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-11-25 23:15:00,977 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:00,999 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,000 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,001 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:01,003 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:01,008 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:15:01,012 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,013 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:15:01,014 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,018 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-11-25 23:15:01,023 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-11-25 23:15:01,027 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-11-25 23:15:01,041 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-11-25 23:15:01,041 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-11-25 23:15:01,042 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-11-25 23:15:01,044 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,044 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,045 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,045 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,045 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,045 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,046 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,046 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,047 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,047 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-25 23:15:01,047 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,048 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,086 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,096 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:01,098 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 23:15:01,100 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:01,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:01,123 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:15:01,219 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:15:01,220 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:15:01,220 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:15:01,223 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:15:01,225 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:15:01,225 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:01,227 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:15:01,227 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:15:01,228 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:15:01,228 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:15:01,229 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:15:01,229 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:15:01,230 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:15:01,230 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 23:15:01,232 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:15:01,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-25 23:15:01,313 WARN L623 FunctionHandler]: Unknown extern function mdiobus_read [2022-11-25 23:15:01,314 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-11-25 23:15:01,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,322 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-11-25 23:15:01,328 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-11-25 23:15:01,329 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,330 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,331 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,333 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,335 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,335 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,337 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-11-25 23:15:01,337 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,337 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,338 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,339 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,342 WARN L623 FunctionHandler]: Unknown extern function ptp_find_pin [2022-11-25 23:15:01,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,346 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-11-25 23:15:01,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,346 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-11-25 23:15:01,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,348 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:15:01,351 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,358 WARN L623 FunctionHandler]: Unknown extern function ns_to_timespec [2022-11-25 23:15:01,359 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,363 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_event [2022-11-25 23:15:01,364 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:01,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:15:01,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:15:01,369 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,375 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:15:01,376 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:15:01,376 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-25 23:15:01,377 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-25 23:15:01,377 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:15:01,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:01,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:01,378 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,379 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:15:01,379 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:15:01,380 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:15:01,384 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-11-25 23:15:01,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,387 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:01,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,390 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:15:01,390 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:15:01,393 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:15:01,400 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_register [2022-11-25 23:15:01,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:01,402 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:15:01,403 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,407 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_unregister [2022-11-25 23:15:01,408 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:15:01,423 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:15:01,424 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:15:01,426 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:01,427 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:15:01,428 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:15:01,429 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,430 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:15:01,430 WARN L623 FunctionHandler]: Unknown extern function skb_complete_tx_timestamp [2022-11-25 23:15:01,432 WARN L623 FunctionHandler]: Unknown extern function ptp_clock_index [2022-11-25 23:15:01,433 WARN L623 FunctionHandler]: Unknown extern function phy_driver_register [2022-11-25 23:15:01,436 WARN L623 FunctionHandler]: Unknown extern function phy_driver_unregister [2022-11-25 23:15:01,445 WARN L623 FunctionHandler]: Unknown extern function genphy_read_status [2022-11-25 23:15:01,446 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-11-25 23:15:01,446 WARN L623 FunctionHandler]: Unknown extern function genphy_config_aneg [2022-11-25 23:15:01,450 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,450 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,451 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,451 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,452 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,452 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,453 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,453 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,453 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,454 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-25 23:15:01,455 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,457 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 23:15:01,490 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 23:15:01,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:01,493 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 23:15:01,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:15:01,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:01,553 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:15:01,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01 WrapperNode [2022-11-25 23:15:01,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:01,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:01,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:15:01,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:15:01,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,750 INFO L138 Inliner]: procedures = 184, calls = 849, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2101 [2022-11-25 23:15:01,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:01,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:15:01,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:15:01,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:15:01,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:02,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:02,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:15:02,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:15:02,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:15:02,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:15:02,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:02,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:02,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:15:02,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:15:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-11-25 23:15:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-11-25 23:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:15:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-11-25 23:15:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-11-25 23:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:15:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-11-25 23:15:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-11-25 23:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:15:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 23:15:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 23:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-11-25 23:15:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-11-25 23:15:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-25 23:15:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-25 23:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-11-25 23:15:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-11-25 23:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:15:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-25 23:15:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-25 23:15:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-11-25 23:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-11-25 23:15:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-11-25 23:15:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-11-25 23:15:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-11-25 23:15:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-11-25 23:15:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-25 23:15:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-25 23:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:15:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-11-25 23:15:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-11-25 23:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-11-25 23:15:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-11-25 23:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 23:15:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 23:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:15:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:15:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:15:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-11-25 23:15:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-11-25 23:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:15:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-25 23:15:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-25 23:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:15:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:15:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:15:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:15:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-11-25 23:15:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-11-25 23:15:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:15:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:15:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 23:15:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 23:15:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:15:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-11-25 23:15:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-11-25 23:15:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:15:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:15:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:15:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:15:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:15:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-25 23:15:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-25 23:15:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-25 23:15:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-25 23:15:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:15:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:15:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-25 23:15:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-25 23:15:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 23:15:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 23:15:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:15:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:15:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:15:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:15:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-11-25 23:15:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-11-25 23:15:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-11-25 23:15:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-11-25 23:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:15:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-25 23:15:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-25 23:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 23:15:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 23:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 23:15:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 23:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:15:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-11-25 23:15:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-11-25 23:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-11-25 23:15:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-11-25 23:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-11-25 23:15:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-11-25 23:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 23:15:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 23:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:15:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:15:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 23:15:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 23:15:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:15:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:15:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-11-25 23:15:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-11-25 23:15:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-11-25 23:15:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-11-25 23:15:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:15:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-11-25 23:15:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-11-25 23:15:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:15:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:15:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:15:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:15:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:15:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:15:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-25 23:15:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-25 23:15:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-11-25 23:15:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-11-25 23:15:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:15:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:15:02,732 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:15:02,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:15:03,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:15:05,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:15:05,962 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:15:05,962 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-25 23:15:05,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:05 BoogieIcfgContainer [2022-11-25 23:15:05,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:15:05,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:15:05,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:15:05,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:15:05,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:14:59" (1/3) ... [2022-11-25 23:15:05,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482f276d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:05, skipping insertion in model container [2022-11-25 23:15:05,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01" (2/3) ... [2022-11-25 23:15:05,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482f276d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:05, skipping insertion in model container [2022-11-25 23:15:05,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:05" (3/3) ... [2022-11-25 23:15:05,975 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-25 23:15:05,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:15:05,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:15:06,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:06,065 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;@71bea42b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:06,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:15:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 638 states, 383 states have (on average 1.3446475195822454) internal successors, (515), 400 states have internal predecessors, (515), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-25 23:15:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:15:06,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:06,086 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] [2022-11-25 23:15:06,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:06,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash 114985937, now seen corresponding path program 1 times [2022-11-25 23:15:06,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489369137] [2022-11-25 23:15:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:15:06,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:06,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489369137] [2022-11-25 23:15:06,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489369137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:06,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:06,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:15:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244835581] [2022-11-25 23:15:06,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:06,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:06,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:06,816 INFO L87 Difference]: Start difference. First operand has 638 states, 383 states have (on average 1.3446475195822454) internal successors, (515), 400 states have internal predecessors, (515), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:15:08,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:08,380 INFO L93 Difference]: Finished difference Result 1899 states and 2700 transitions. [2022-11-25 23:15:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:08,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 23:15:08,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:08,414 INFO L225 Difference]: With dead ends: 1899 [2022-11-25 23:15:08,414 INFO L226 Difference]: Without dead ends: 1233 [2022-11-25 23:15:08,425 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 [2022-11-25 23:15:08,431 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 879 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:08,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 2687 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:15:08,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-11-25 23:15:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1229. [2022-11-25 23:15:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 741 states have (on average 1.3265856950067476) internal successors, (983), 765 states have internal predecessors, (983), 370 states have call successors, (370), 118 states have call predecessors, (370), 117 states have return successors, (377), 367 states have call predecessors, (377), 369 states have call successors, (377) [2022-11-25 23:15:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1730 transitions. [2022-11-25 23:15:08,686 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1730 transitions. Word has length 26 [2022-11-25 23:15:08,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:08,689 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1730 transitions. [2022-11-25 23:15:08,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:15:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1730 transitions. [2022-11-25 23:15:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:15:08,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:08,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:08,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:15:08,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:08,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2097554049, now seen corresponding path program 1 times [2022-11-25 23:15:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:08,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959871727] [2022-11-25 23:15:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:15:08,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:08,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959871727] [2022-11-25 23:15:08,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959871727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:08,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:08,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692352235] [2022-11-25 23:15:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:08,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:08,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:08,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:08,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:08,928 INFO L87 Difference]: Start difference. First operand 1229 states and 1730 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:15:09,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:09,816 INFO L93 Difference]: Finished difference Result 2529 states and 3550 transitions. [2022-11-25 23:15:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:09,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-11-25 23:15:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:09,826 INFO L225 Difference]: With dead ends: 2529 [2022-11-25 23:15:09,826 INFO L226 Difference]: Without dead ends: 1305 [2022-11-25 23:15:09,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:09,832 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 75 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:09,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1492 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:15:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2022-11-25 23:15:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1299. [2022-11-25 23:15:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 791 states have (on average 1.3286978508217446) internal successors, (1051), 816 states have internal predecessors, (1051), 381 states have call successors, (381), 127 states have call predecessors, (381), 126 states have return successors, (388), 377 states have call predecessors, (388), 380 states have call successors, (388) [2022-11-25 23:15:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1820 transitions. [2022-11-25 23:15:09,915 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1820 transitions. Word has length 66 [2022-11-25 23:15:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:09,915 INFO L495 AbstractCegarLoop]: Abstraction has 1299 states and 1820 transitions. [2022-11-25 23:15:09,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:15:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1820 transitions. [2022-11-25 23:15:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 23:15:09,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:09,924 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:09,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:15:09,924 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2101880221, now seen corresponding path program 1 times [2022-11-25 23:15:09,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:09,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618381264] [2022-11-25 23:15:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 23:15:10,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:10,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618381264] [2022-11-25 23:15:10,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618381264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:10,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:10,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:10,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222532551] [2022-11-25 23:15:10,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:10,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:10,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:10,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:10,142 INFO L87 Difference]: Start difference. First operand 1299 states and 1820 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 23:15:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:11,276 INFO L93 Difference]: Finished difference Result 3513 states and 4890 transitions. [2022-11-25 23:15:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2022-11-25 23:15:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:11,291 INFO L225 Difference]: With dead ends: 3513 [2022-11-25 23:15:11,291 INFO L226 Difference]: Without dead ends: 2235 [2022-11-25 23:15:11,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:11,299 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 768 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:11,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 1519 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:15:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2022-11-25 23:15:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2229. [2022-11-25 23:15:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1367 states have (on average 1.3057790782735919) internal successors, (1785), 1403 states have internal predecessors, (1785), 628 states have call successors, (628), 234 states have call predecessors, (628), 233 states have return successors, (638), 621 states have call predecessors, (638), 627 states have call successors, (638) [2022-11-25 23:15:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 3051 transitions. [2022-11-25 23:15:11,426 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 3051 transitions. Word has length 87 [2022-11-25 23:15:11,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:11,427 INFO L495 AbstractCegarLoop]: Abstraction has 2229 states and 3051 transitions. [2022-11-25 23:15:11,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 23:15:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 3051 transitions. [2022-11-25 23:15:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 23:15:11,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:11,432 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:11,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:15:11,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:11,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1324395007, now seen corresponding path program 1 times [2022-11-25 23:15:11,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:11,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478774662] [2022-11-25 23:15:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-25 23:15:11,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478774662] [2022-11-25 23:15:11,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478774662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:11,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:11,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39481645] [2022-11-25 23:15:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:11,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:11,568 INFO L87 Difference]: Start difference. First operand 2229 states and 3051 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-25 23:15:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:12,439 INFO L93 Difference]: Finished difference Result 3376 states and 4632 transitions. [2022-11-25 23:15:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 87 [2022-11-25 23:15:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:12,452 INFO L225 Difference]: With dead ends: 3376 [2022-11-25 23:15:12,452 INFO L226 Difference]: Without dead ends: 2237 [2022-11-25 23:15:12,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:12,458 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 4 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:12,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1518 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:15:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2022-11-25 23:15:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2237. [2022-11-25 23:15:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2237 states, 1373 states have (on average 1.3044428259286234) internal successors, (1791), 1411 states have internal predecessors, (1791), 628 states have call successors, (628), 234 states have call predecessors, (628), 235 states have return successors, (640), 621 states have call predecessors, (640), 627 states have call successors, (640) [2022-11-25 23:15:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 2237 states and 3059 transitions. [2022-11-25 23:15:12,578 INFO L78 Accepts]: Start accepts. Automaton has 2237 states and 3059 transitions. Word has length 87 [2022-11-25 23:15:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:12,579 INFO L495 AbstractCegarLoop]: Abstraction has 2237 states and 3059 transitions. [2022-11-25 23:15:12,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-25 23:15:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 3059 transitions. [2022-11-25 23:15:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 23:15:12,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:12,584 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:12,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:15:12,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:12,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:12,585 INFO L85 PathProgramCache]: Analyzing trace with hash 734425446, now seen corresponding path program 1 times [2022-11-25 23:15:12,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:12,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658032694] [2022-11-25 23:15:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:12,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-25 23:15:13,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:13,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658032694] [2022-11-25 23:15:13,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658032694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:13,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:13,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:15:13,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002038438] [2022-11-25 23:15:13,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:13,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:13,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:13,159 INFO L87 Difference]: Start difference. First operand 2237 states and 3059 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 23:15:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:18,896 INFO L93 Difference]: Finished difference Result 4583 states and 6293 transitions. [2022-11-25 23:15:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:15:18,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2022-11-25 23:15:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:18,910 INFO L225 Difference]: With dead ends: 4583 [2022-11-25 23:15:18,911 INFO L226 Difference]: Without dead ends: 2367 [2022-11-25 23:15:18,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:15:18,919 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1958 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 1314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 4416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1314 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:18,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2129 Valid, 1329 Invalid, 4416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1314 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 23:15:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-11-25 23:15:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2331. [2022-11-25 23:15:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 1429 states have (on average 1.2995101469559132) internal successors, (1857), 1471 states have internal predecessors, (1857), 664 states have call successors, (664), 234 states have call predecessors, (664), 237 states have return successors, (677), 657 states have call predecessors, (677), 663 states have call successors, (677) [2022-11-25 23:15:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3198 transitions. [2022-11-25 23:15:19,050 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3198 transitions. Word has length 88 [2022-11-25 23:15:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:19,051 INFO L495 AbstractCegarLoop]: Abstraction has 2331 states and 3198 transitions. [2022-11-25 23:15:19,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 23:15:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3198 transitions. [2022-11-25 23:15:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 23:15:19,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:19,057 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:15:19,058 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:19,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1946154262, now seen corresponding path program 1 times [2022-11-25 23:15:19,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:19,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972885259] [2022-11-25 23:15:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-25 23:15:19,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972885259] [2022-11-25 23:15:19,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972885259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:19,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:19,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:15:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176198555] [2022-11-25 23:15:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:19,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:19,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:19,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:19,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:19,572 INFO L87 Difference]: Start difference. First operand 2331 states and 3198 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:15:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:21,009 INFO L93 Difference]: Finished difference Result 4667 states and 6441 transitions. [2022-11-25 23:15:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:21,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2022-11-25 23:15:21,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:21,023 INFO L225 Difference]: With dead ends: 4667 [2022-11-25 23:15:21,023 INFO L226 Difference]: Without dead ends: 2357 [2022-11-25 23:15:21,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:21,032 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 2 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:21,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3034 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:15:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2022-11-25 23:15:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2347. [2022-11-25 23:15:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 1441 states have (on average 1.2970159611380985) internal successors, (1869), 1483 states have internal predecessors, (1869), 664 states have call successors, (664), 234 states have call predecessors, (664), 241 states have return successors, (685), 661 states have call predecessors, (685), 663 states have call successors, (685) [2022-11-25 23:15:21,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 3218 transitions. [2022-11-25 23:15:21,159 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 3218 transitions. Word has length 110 [2022-11-25 23:15:21,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:21,159 INFO L495 AbstractCegarLoop]: Abstraction has 2347 states and 3218 transitions. [2022-11-25 23:15:21,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:15:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3218 transitions. [2022-11-25 23:15:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 23:15:21,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:21,165 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:21,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:15:21,166 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash 334280081, now seen corresponding path program 1 times [2022-11-25 23:15:21,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:21,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033869504] [2022-11-25 23:15:21,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:21,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-25 23:15:21,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:21,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033869504] [2022-11-25 23:15:21,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033869504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:21,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:21,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839927230] [2022-11-25 23:15:21,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:21,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:21,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:21,462 INFO L87 Difference]: Start difference. First operand 2347 states and 3218 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:15:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:22,044 INFO L93 Difference]: Finished difference Result 4673 states and 6406 transitions. [2022-11-25 23:15:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:22,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2022-11-25 23:15:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:22,059 INFO L225 Difference]: With dead ends: 4673 [2022-11-25 23:15:22,060 INFO L226 Difference]: Without dead ends: 2334 [2022-11-25 23:15:22,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:22,070 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 841 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:22,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 826 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:15:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2022-11-25 23:15:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2334. [2022-11-25 23:15:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 1430 states have (on average 1.286013986013986) internal successors, (1839), 1472 states have internal predecessors, (1839), 662 states have call successors, (662), 234 states have call predecessors, (662), 241 states have return successors, (681), 659 states have call predecessors, (681), 661 states have call successors, (681) [2022-11-25 23:15:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3182 transitions. [2022-11-25 23:15:22,216 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3182 transitions. Word has length 124 [2022-11-25 23:15:22,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:22,217 INFO L495 AbstractCegarLoop]: Abstraction has 2334 states and 3182 transitions. [2022-11-25 23:15:22,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:15:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3182 transitions. [2022-11-25 23:15:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 23:15:22,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:22,224 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:22,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:15:22,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:22,225 INFO L85 PathProgramCache]: Analyzing trace with hash 593958170, now seen corresponding path program 1 times [2022-11-25 23:15:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:22,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907576834] [2022-11-25 23:15:22,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 23:15:23,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:23,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907576834] [2022-11-25 23:15:23,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907576834] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:23,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221620135] [2022-11-25 23:15:23,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:23,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:23,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:15:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:23,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 23:15:23,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 23:15:24,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 23:15:25,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221620135] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:25,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:15:25,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 10] total 24 [2022-11-25 23:15:25,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35438217] [2022-11-25 23:15:25,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:25,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:15:25,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:25,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:15:25,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2022-11-25 23:15:25,249 INFO L87 Difference]: Start difference. First operand 2334 states and 3182 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-25 23:15:33,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:33,257 INFO L93 Difference]: Finished difference Result 5430 states and 7558 transitions. [2022-11-25 23:15:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:15:33,262 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 130 [2022-11-25 23:15:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:33,286 INFO L225 Difference]: With dead ends: 5430 [2022-11-25 23:15:33,286 INFO L226 Difference]: Without dead ends: 4183 [2022-11-25 23:15:33,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2022-11-25 23:15:33,294 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 3294 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 4034 mSolverCounterSat, 2342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 6376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2342 IncrementalHoareTripleChecker+Valid, 4034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:33,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 2302 Invalid, 6376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2342 Valid, 4034 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 23:15:33,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2022-11-25 23:15:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 3554. [2022-11-25 23:15:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3554 states, 2173 states have (on average 1.285780027611597) internal successors, (2794), 2244 states have internal predecessors, (2794), 1010 states have call successors, (1010), 347 states have call predecessors, (1010), 370 states have return successors, (1066), 1011 states have call predecessors, (1066), 1009 states have call successors, (1066) [2022-11-25 23:15:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4870 transitions. [2022-11-25 23:15:33,592 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4870 transitions. Word has length 130 [2022-11-25 23:15:33,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:33,593 INFO L495 AbstractCegarLoop]: Abstraction has 3554 states and 4870 transitions. [2022-11-25 23:15:33,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-25 23:15:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4870 transitions. [2022-11-25 23:15:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 23:15:33,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:33,609 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:33,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:15:33,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:33,818 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:33,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1954726189, now seen corresponding path program 1 times [2022-11-25 23:15:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:33,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083474801] [2022-11-25 23:15:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:33,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-25 23:15:34,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:34,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083474801] [2022-11-25 23:15:34,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083474801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:34,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:34,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:15:34,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327156324] [2022-11-25 23:15:34,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:34,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:34,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:34,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:34,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:34,139 INFO L87 Difference]: Start difference. First operand 3554 states and 4870 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:15:35,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:35,423 INFO L93 Difference]: Finished difference Result 6043 states and 8319 transitions. [2022-11-25 23:15:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:35,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2022-11-25 23:15:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:35,445 INFO L225 Difference]: With dead ends: 6043 [2022-11-25 23:15:35,445 INFO L226 Difference]: Without dead ends: 3582 [2022-11-25 23:15:35,456 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 [2022-11-25 23:15:35,458 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 10 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:35,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2275 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:15:35,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2022-11-25 23:15:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3564. [2022-11-25 23:15:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 2183 states have (on average 1.2872194228126432) internal successors, (2810), 2254 states have internal predecessors, (2810), 1010 states have call successors, (1010), 347 states have call predecessors, (1010), 370 states have return successors, (1066), 1011 states have call predecessors, (1066), 1009 states have call successors, (1066) [2022-11-25 23:15:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4886 transitions. [2022-11-25 23:15:35,746 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4886 transitions. Word has length 131 [2022-11-25 23:15:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:35,747 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 4886 transitions. [2022-11-25 23:15:35,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:15:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4886 transitions. [2022-11-25 23:15:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-25 23:15:35,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:35,754 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:35,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:15:35,755 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1821139788, now seen corresponding path program 1 times [2022-11-25 23:15:35,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:35,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743201987] [2022-11-25 23:15:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 23:15:43,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:43,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743201987] [2022-11-25 23:15:43,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743201987] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:43,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900951971] [2022-11-25 23:15:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:44,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:44,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d92ced-9c3d-41b3-90de-1279860ed102/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:44,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 127 conjunts are in the unsatisfiable core [2022-11-25 23:15:44,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:46,433 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 15 treesize of output 11 [2022-11-25 23:15:46,445 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 15 treesize of output 11 [2022-11-25 23:15:47,179 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-11-25 23:15:47,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 39 [2022-11-25 23:15:47,199 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-11-25 23:15:47,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 45 treesize of output 40 [2022-11-25 23:15:47,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 21 [2022-11-25 23:15:47,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 43 treesize of output 22 [2022-11-25 23:15:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 23:15:47,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 23:15:50,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900951971] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:50,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2139226126] [2022-11-25 23:15:50,120 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2022-11-25 23:15:50,121 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:50,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:50,132 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:50,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:50,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 370 [2022-11-25 23:15:50,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 376 [2022-11-25 23:15:51,568 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 [2022-11-25 23:15:51,575 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 [2022-11-25 23:15:51,582 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 7 treesize of output 6 [2022-11-25 23:15:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:52,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 51 select indices, 51 select index equivalence classes, 152 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 154 [2022-11-25 23:15:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 51 select indices, 51 select index equivalence classes, 152 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 154 [2022-11-25 23:15:56,521 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 [2022-11-25 23:15:56,592 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 [2022-11-25 23:15:56,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 treesize of output 4 [2022-11-25 23:15:59,418 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 [2022-11-25 23:15:59,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 treesize of output 4 [2022-11-25 23:15:59,525 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 [2022-11-25 23:16:02,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 treesize of output 4 [2022-11-25 23:16:02,934 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 [2022-11-25 23:16:02,958 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 [2022-11-25 23:16:04,079 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 [2022-11-25 23:16:04,101 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 [2022-11-25 23:16:04,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 treesize of output 4 [2022-11-25 23:16:06,306 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 23:16:06,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 23:16:06,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:16:06,568 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 15 treesize of output 11 [2022-11-25 23:16:06,575 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 15 treesize of output 11 [2022-11-25 23:16:06,583 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 23 treesize of output 1 [2022-11-25 23:16:06,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,762 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 153 [2022-11-25 23:16:06,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,916 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 155 treesize of output 181 [2022-11-25 23:16:11,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-25 23:16:11,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:11,921 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:11,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2022-11-25 23:16:11,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-25 23:16:12,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:12,201 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:12,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2022-11-25 23:16:12,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-25 23:16:12,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:12,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:12,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 153 [2022-11-25 23:16:12,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:12,457 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:12,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 155 treesize of output 181 [2022-11-25 23:16:16,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-25 23:16:17,310 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 52920 conjuctions. This might take some time...