./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh --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 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:56:57,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:56:57,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:56:57,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:56:57,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:56:57,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:56:57,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:56:57,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:56:57,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:56:57,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:56:57,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:56:57,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:56:57,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:56:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:56:57,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:56:57,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:56:57,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:56:57,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:56:57,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:56:57,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:56:57,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:56:57,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:56:57,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:56:57,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:56:57,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:56:57,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:56:57,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:56:57,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:56:57,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:56:57,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:56:57,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:56:57,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:56:57,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:56:57,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:56:57,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:56:57,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:56:57,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:56:57,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:56:57,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:56:57,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:56:57,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:56:57,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:56:57,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:56:57,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:56:57,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:56:57,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:56:57,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:56:57,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:56:57,712 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:56:57,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:56:57,712 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:56:57,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:56:57,714 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:56:57,714 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:56:57,714 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:56:57,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:56:57,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:56:57,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:56:57,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:56:57,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:56:57,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:56:57,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:56:57,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:56:57,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:56:57,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:56:57,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:56:57,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:56:57,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:56:57,717 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:56:57,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:56:57,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:56:57,717 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:56:57,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:56:57,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:56:57,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:56:57,718 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_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b [2022-12-14 04:56:57,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:56:57,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:56:57,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:56:57,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:56:57,927 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:56:57,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 04:57:00,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:57:00,737 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:57:00,738 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 04:57:00,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/data/075b39388/d979c1b0006e43a785e1af4f8f218d98/FLAGbb7aa626a [2022-12-14 04:57:00,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/data/075b39388/d979c1b0006e43a785e1af4f8f218d98 [2022-12-14 04:57:00,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:57:00,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:57:01,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:01,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:57:01,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:57:01,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:00" (1/1) ... [2022-12-14 04:57:01,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bddbef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01, skipping insertion in model container [2022-12-14 04:57:01,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:00" (1/1) ... [2022-12-14 04:57:01,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:57:01,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:01,404 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:57:01,406 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:57:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,469 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 04:57:01,471 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 04:57:01,480 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,483 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,485 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:01,505 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 04:57:01,510 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 04:57:01,512 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:57:01,512 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,513 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,513 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,515 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,516 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,516 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,517 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,517 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,518 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,520 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 04:57:01,529 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 04:57:01,529 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 04:57:01,529 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:01,533 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 04:57:01,534 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 04:57:01,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:01,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:01,547 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 04:57:01,550 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 04:57:01,552 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 04:57:01,554 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_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2022-12-14 04:57:01,560 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,567 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,582 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:01,599 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:57:01,663 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:57:01,664 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:57:01,665 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,669 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 04:57:01,669 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 04:57:01,670 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,670 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,671 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 04:57:01,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:01,677 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 04:57:01,679 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 04:57:01,680 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:57:01,681 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,682 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,682 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 04:57:01,688 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,689 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,689 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,690 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,690 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,690 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 04:57:01,691 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 04:57:01,692 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 04:57:01,692 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 04:57:01,692 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:01,693 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 04:57:01,693 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 04:57:01,694 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:01,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:01,696 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 04:57:01,698 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 04:57:01,699 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 04:57:01,700 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_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2022-12-14 04:57:01,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,703 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,706 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,707 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 04:57:01,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:01,726 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:57:01,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01 WrapperNode [2022-12-14 04:57:01,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:01,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:01,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:57:01,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:57:01,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,778 INFO L138 Inliner]: procedures = 107, calls = 317, calls flagged for inlining = 47, calls inlined = 41, statements flattened = 790 [2022-12-14 04:57:01,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:01,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:57:01,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:57:01,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:57:01,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,814 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:57:01,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:57:01,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:57:01,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:57:01,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (1/1) ... [2022-12-14 04:57:01,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:01,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:01,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:57:01,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:57:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 04:57:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 04:57:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:57:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 04:57:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 04:57:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 04:57:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 04:57:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 04:57:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 04:57:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 04:57:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2022-12-14 04:57:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 04:57:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:57:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:57:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 04:57:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-12-14 04:57:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-12-14 04:57:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2022-12-14 04:57:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:57:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:57:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 04:57:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 04:57:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 04:57:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 04:57:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:57:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:57:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:57:02,093 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:57:02,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:57:02,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 04:57:02,655 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:57:02,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:57:02,785 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 04:57:02,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:02 BoogieIcfgContainer [2022-12-14 04:57:02,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:57:02,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:57:02,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:57:02,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:57:02,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:57:00" (1/3) ... [2022-12-14 04:57:02,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9e6fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:02, skipping insertion in model container [2022-12-14 04:57:02,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:01" (2/3) ... [2022-12-14 04:57:02,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9e6fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:02, skipping insertion in model container [2022-12-14 04:57:02,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:02" (3/3) ... [2022-12-14 04:57:02,793 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 04:57:02,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:57:02,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:57:02,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:57:02,848 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;@789c8354, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:57:02,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:57:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 113 states have internal predecessors, (143), 43 states have call successors, (43), 16 states have call predecessors, (43), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-12-14 04:57:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 04:57:02,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:02,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:02,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:02,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash 639674650, now seen corresponding path program 1 times [2022-12-14 04:57:02,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:02,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772763116] [2022-12-14 04:57:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:57:03,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:03,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772763116] [2022-12-14 04:57:03,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772763116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:03,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:03,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:03,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261852069] [2022-12-14 04:57:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:03,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:03,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:03,184 INFO L87 Difference]: Start difference. First operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 113 states have internal predecessors, (143), 43 states have call successors, (43), 16 states have call predecessors, (43), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:57:04,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:04,130 INFO L93 Difference]: Finished difference Result 457 states and 638 transitions. [2022-12-14 04:57:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:04,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-12-14 04:57:04,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:04,140 INFO L225 Difference]: With dead ends: 457 [2022-12-14 04:57:04,140 INFO L226 Difference]: Without dead ends: 287 [2022-12-14 04:57:04,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:04,145 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 186 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:04,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 397 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 04:57:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-12-14 04:57:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-12-14 04:57:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 187 states have (on average 1.3422459893048129) internal successors, (251), 195 states have internal predecessors, (251), 71 states have call successors, (71), 29 states have call predecessors, (71), 28 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-12-14 04:57:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2022-12-14 04:57:04,193 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 23 [2022-12-14 04:57:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:04,194 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2022-12-14 04:57:04,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:57:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2022-12-14 04:57:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 04:57:04,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:04,195 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:04,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:57:04,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash 877044280, now seen corresponding path program 1 times [2022-12-14 04:57:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:04,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858748743] [2022-12-14 04:57:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:57:04,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858748743] [2022-12-14 04:57:04,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858748743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:04,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:04,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:04,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162972192] [2022-12-14 04:57:04,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:04,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:04,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:04,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:04,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:04,380 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:05,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:05,465 INFO L93 Difference]: Finished difference Result 491 states and 651 transitions. [2022-12-14 04:57:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:05,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2022-12-14 04:57:05,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:05,468 INFO L225 Difference]: With dead ends: 491 [2022-12-14 04:57:05,468 INFO L226 Difference]: Without dead ends: 488 [2022-12-14 04:57:05,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:05,469 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 133 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:05,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 367 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 04:57:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-12-14 04:57:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 468. [2022-12-14 04:57:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 309 states have (on average 1.3300970873786409) internal successors, (411), 323 states have internal predecessors, (411), 110 states have call successors, (110), 49 states have call predecessors, (110), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 04:57:05,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 626 transitions. [2022-12-14 04:57:05,501 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 626 transitions. Word has length 37 [2022-12-14 04:57:05,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:05,501 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 626 transitions. [2022-12-14 04:57:05,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 626 transitions. [2022-12-14 04:57:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 04:57:05,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:05,503 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:05,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:57:05,503 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:05,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1418573812, now seen corresponding path program 1 times [2022-12-14 04:57:05,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:05,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943420345] [2022-12-14 04:57:05,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:57:05,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:05,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943420345] [2022-12-14 04:57:05,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943420345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:05,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:05,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:05,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277963875] [2022-12-14 04:57:05,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:05,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:05,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:05,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:05,622 INFO L87 Difference]: Start difference. First operand 468 states and 626 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:05,984 INFO L93 Difference]: Finished difference Result 470 states and 627 transitions. [2022-12-14 04:57:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2022-12-14 04:57:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:05,988 INFO L225 Difference]: With dead ends: 470 [2022-12-14 04:57:05,989 INFO L226 Difference]: Without dead ends: 467 [2022-12-14 04:57:05,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:05,990 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:05,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 172 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 04:57:05,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-12-14 04:57:06,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2022-12-14 04:57:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 309 states have (on average 1.3268608414239482) internal successors, (410), 322 states have internal predecessors, (410), 109 states have call successors, (109), 49 states have call predecessors, (109), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 04:57:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 624 transitions. [2022-12-14 04:57:06,018 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 624 transitions. Word has length 38 [2022-12-14 04:57:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:06,018 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 624 transitions. [2022-12-14 04:57:06,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 624 transitions. [2022-12-14 04:57:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 04:57:06,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:06,019 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:06,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:57:06,020 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:06,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:06,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1026124987, now seen corresponding path program 1 times [2022-12-14 04:57:06,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:06,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636114235] [2022-12-14 04:57:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:57:06,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636114235] [2022-12-14 04:57:06,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636114235] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:06,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:06,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:06,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312192219] [2022-12-14 04:57:06,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:06,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:06,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:06,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:06,074 INFO L87 Difference]: Start difference. First operand 467 states and 624 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:06,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:06,871 INFO L93 Difference]: Finished difference Result 469 states and 625 transitions. [2022-12-14 04:57:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:06,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-12-14 04:57:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:06,874 INFO L225 Difference]: With dead ends: 469 [2022-12-14 04:57:06,874 INFO L226 Difference]: Without dead ends: 466 [2022-12-14 04:57:06,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:06,875 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:06,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 170 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 04:57:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-12-14 04:57:06,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2022-12-14 04:57:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 309 states have (on average 1.3236245954692556) internal successors, (409), 321 states have internal predecessors, (409), 108 states have call successors, (108), 49 states have call predecessors, (108), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 04:57:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 622 transitions. [2022-12-14 04:57:06,898 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 622 transitions. Word has length 39 [2022-12-14 04:57:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:06,898 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 622 transitions. [2022-12-14 04:57:06,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 622 transitions. [2022-12-14 04:57:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 04:57:06,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:06,899 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:06,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:57:06,899 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:06,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1745118167, now seen corresponding path program 1 times [2022-12-14 04:57:06,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:06,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228005756] [2022-12-14 04:57:06,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:06,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:57:06,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:06,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228005756] [2022-12-14 04:57:06,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228005756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:06,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:06,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505234641] [2022-12-14 04:57:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:06,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:06,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:06,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:06,954 INFO L87 Difference]: Start difference. First operand 466 states and 622 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:07,892 INFO L93 Difference]: Finished difference Result 468 states and 623 transitions. [2022-12-14 04:57:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:07,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-12-14 04:57:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:07,895 INFO L225 Difference]: With dead ends: 468 [2022-12-14 04:57:07,895 INFO L226 Difference]: Without dead ends: 465 [2022-12-14 04:57:07,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:07,896 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 185 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:07,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 168 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 04:57:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-12-14 04:57:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2022-12-14 04:57:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 309 states have (on average 1.3203883495145632) internal successors, (408), 320 states have internal predecessors, (408), 107 states have call successors, (107), 49 states have call predecessors, (107), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 04:57:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 620 transitions. [2022-12-14 04:57:07,918 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 620 transitions. Word has length 40 [2022-12-14 04:57:07,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:07,918 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 620 transitions. [2022-12-14 04:57:07,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 620 transitions. [2022-12-14 04:57:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 04:57:07,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:07,919 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:07,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:57:07,919 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:07,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1735892162, now seen corresponding path program 1 times [2022-12-14 04:57:07,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:07,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240276121] [2022-12-14 04:57:07,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:07,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:57:07,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:07,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240276121] [2022-12-14 04:57:07,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240276121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:07,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:07,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:07,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711387347] [2022-12-14 04:57:07,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:07,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:07,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:07,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:07,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:07,973 INFO L87 Difference]: Start difference. First operand 465 states and 620 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:08,586 INFO L93 Difference]: Finished difference Result 467 states and 621 transitions. [2022-12-14 04:57:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:08,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-12-14 04:57:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:08,589 INFO L225 Difference]: With dead ends: 467 [2022-12-14 04:57:08,589 INFO L226 Difference]: Without dead ends: 458 [2022-12-14 04:57:08,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:08,590 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 182 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:08,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 167 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 04:57:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-12-14 04:57:08,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2022-12-14 04:57:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 303 states have (on average 1.316831683168317) internal successors, (399), 313 states have internal predecessors, (399), 106 states have call successors, (106), 49 states have call predecessors, (106), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 04:57:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 610 transitions. [2022-12-14 04:57:08,612 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 610 transitions. Word has length 41 [2022-12-14 04:57:08,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:08,612 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 610 transitions. [2022-12-14 04:57:08,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 04:57:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 610 transitions. [2022-12-14 04:57:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 04:57:08,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:08,615 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:08,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:57:08,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1947972883, now seen corresponding path program 1 times [2022-12-14 04:57:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:08,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003807423] [2022-12-14 04:57:08,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-14 04:57:08,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:08,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003807423] [2022-12-14 04:57:08,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003807423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:08,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:08,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:57:08,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976778639] [2022-12-14 04:57:08,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:08,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:57:08,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:08,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:57:08,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:08,703 INFO L87 Difference]: Start difference. First operand 458 states and 610 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 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) [2022-12-14 04:57:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:09,429 INFO L93 Difference]: Finished difference Result 745 states and 992 transitions. [2022-12-14 04:57:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:57:09,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 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 113 [2022-12-14 04:57:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:09,430 INFO L225 Difference]: With dead ends: 745 [2022-12-14 04:57:09,430 INFO L226 Difference]: Without dead ends: 298 [2022-12-14 04:57:09,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:57:09,432 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 31 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:09,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 320 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 04:57:09,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-12-14 04:57:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 293. [2022-12-14 04:57:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 204 states have (on average 1.3333333333333333) internal successors, (272), 209 states have internal predecessors, (272), 58 states have call successors, (58), 31 states have call predecessors, (58), 30 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2022-12-14 04:57:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 387 transitions. [2022-12-14 04:57:09,445 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 387 transitions. Word has length 113 [2022-12-14 04:57:09,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:09,446 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 387 transitions. [2022-12-14 04:57:09,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 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) [2022-12-14 04:57:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2022-12-14 04:57:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 04:57:09,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:09,447 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:09,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:57:09,447 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1223187839, now seen corresponding path program 1 times [2022-12-14 04:57:09,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:09,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770384072] [2022-12-14 04:57:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 04:57:09,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:09,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770384072] [2022-12-14 04:57:09,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770384072] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:09,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145744278] [2022-12-14 04:57:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:09,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:09,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:09,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:09,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:57:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:10,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-14 04:57:10,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 04:57:10,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:57:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 04:57:10,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145744278] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:57:10,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1364000952] [2022-12-14 04:57:10,726 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2022-12-14 04:57:10,726 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:57:10,729 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:57:10,733 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:57:10,733 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:57:11,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:57:11,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:57:11,363 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 [2022-12-14 04:57:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:11,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 04:57:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:12,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 04:57:12,816 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 [2022-12-14 04:57:12,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:12,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:13,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:13,201 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 [2022-12-14 04:57:13,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:14,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:14,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:14,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:14,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:22,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:22,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:22,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:22,129 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:24,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:24,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:24,393 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:24,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:46,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:46,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:46,916 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:46,918 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:48,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:49,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:57:49,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:49,092 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:57:52,344 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 667 for LOIs [2022-12-14 04:57:53,911 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 04:57:53,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 04:57:54,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 79 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-12-14 04:57:54,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:57:54,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:57:55,067 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 04:57:55,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 67 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 152 [2022-12-14 04:57:55,323 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 04:57:55,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 04:57:55,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:57:55,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:57:56,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:57:56,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:57:56,748 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 04:57:56,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 67 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 152 [2022-12-14 04:57:57,036 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 04:57:57,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 04:57:57,295 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 703 for LOIs [2022-12-14 04:57:57,596 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 102 for LOIs [2022-12-14 04:57:57,615 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 181 for LOIs [2022-12-14 04:57:57,736 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 04:58:37,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1364000952] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:37,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 04:58:37,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [5, 7, 7] total 49 [2022-12-14 04:58:37,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986717084] [2022-12-14 04:58:37,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:37,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 04:58:37,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:37,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 04:58:37,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=2145, Unknown=0, NotChecked=0, Total=2352 [2022-12-14 04:58:37,330 INFO L87 Difference]: Start difference. First operand 293 states and 387 transitions. Second operand has 35 states, 27 states have (on average 2.111111111111111) internal successors, (57), 25 states have internal predecessors, (57), 6 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-12-14 04:59:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:34,469 INFO L93 Difference]: Finished difference Result 687 states and 927 transitions. [2022-12-14 04:59:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-12-14 04:59:34,470 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 2.111111111111111) internal successors, (57), 25 states have internal predecessors, (57), 6 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 119 [2022-12-14 04:59:34,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:34,472 INFO L225 Difference]: With dead ends: 687 [2022-12-14 04:59:34,472 INFO L226 Difference]: Without dead ends: 392 [2022-12-14 04:59:34,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 86.8s TimeCoverageRelationStatistics Valid=522, Invalid=5640, Unknown=0, NotChecked=0, Total=6162 [2022-12-14 04:59:34,474 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 178 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:34,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1696 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2018 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 04:59:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-12-14 04:59:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 327. [2022-12-14 04:59:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 231 states have (on average 1.3246753246753247) internal successors, (306), 236 states have internal predecessors, (306), 62 states have call successors, (62), 35 states have call predecessors, (62), 33 states have return successors, (61), 59 states have call predecessors, (61), 61 states have call successors, (61) [2022-12-14 04:59:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 429 transitions. [2022-12-14 04:59:34,535 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 429 transitions. Word has length 119 [2022-12-14 04:59:34,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:34,535 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 429 transitions. [2022-12-14 04:59:34,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 2.111111111111111) internal successors, (57), 25 states have internal predecessors, (57), 6 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-12-14 04:59:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 429 transitions. [2022-12-14 04:59:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 04:59:34,536 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:34,537 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:34,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:59:34,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:34,738 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:59:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:34,739 INFO L85 PathProgramCache]: Analyzing trace with hash -909086809, now seen corresponding path program 1 times [2022-12-14 04:59:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548588289] [2022-12-14 04:59:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 04:59:35,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:35,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548588289] [2022-12-14 04:59:35,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548588289] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:59:35,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248612981] [2022-12-14 04:59:35,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:35,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:35,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:35,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:59:35,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:59:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:35,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 87 conjunts are in the unsatisfiable core [2022-12-14 04:59:35,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 04:59:35,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:59:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-14 04:59:36,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248612981] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:59:36,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1741394225] [2022-12-14 04:59:36,071 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2022-12-14 04:59:36,071 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:59:36,072 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:59:36,072 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:59:36,072 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:59:36,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:59:36,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:59:36,415 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 [2022-12-14 04:59:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 04:59:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:37,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 04:59:40,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:40,399 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 [2022-12-14 04:59:40,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:40,519 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:40,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:40,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:41,472 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 [2022-12-14 04:59:41,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:41,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:41,630 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:41,633 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:41,635 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:49,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:59:49,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:59:50,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:50,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:50,451 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:50,456 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:53,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:54,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:59:54,153 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:54,162 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:00:17,168 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 13 treesize of output 9 [2022-12-14 05:00:17,216 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 19 treesize of output 1 [2022-12-14 05:00:17,265 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 13 treesize of output 9 [2022-12-14 05:00:21,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 05:00:21,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-12-14 05:00:21,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-12-14 05:00:24,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:00:55,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:00:55,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:00:55,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:00:55,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:00:56,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:00:56,343 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 19 treesize of output 1 [2022-12-14 05:00:56,426 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 13 treesize of output 9 [2022-12-14 05:00:59,403 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 13 treesize of output 9 [2022-12-14 05:00:59,461 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 13 treesize of output 9 [2022-12-14 05:00:59,517 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 19 treesize of output 1 [2022-12-14 05:01:34,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:34,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:34,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:34,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:35,183 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 13 treesize of output 9 [2022-12-14 05:01:35,215 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 13 treesize of output 9 [2022-12-14 05:01:35,241 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 19 treesize of output 1 [2022-12-14 05:01:37,673 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 13 treesize of output 9 [2022-12-14 05:01:37,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 05:01:37,786 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 13 treesize of output 9 [2022-12-14 05:01:41,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:41,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:42,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:01:42,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:02:02,667 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 19 treesize of output 1 [2022-12-14 05:02:02,736 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 13 treesize of output 9 [2022-12-14 05:02:02,762 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 13 treesize of output 9 [2022-12-14 05:02:06,010 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 13 treesize of output 9 [2022-12-14 05:02:06,040 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 13 treesize of output 9 [2022-12-14 05:02:06,077 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 19 treesize of output 1 [2022-12-14 05:02:38,806 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 19 treesize of output 1 [2022-12-14 05:02:38,848 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 13 treesize of output 9 [2022-12-14 05:02:38,912 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 13 treesize of output 9 [2022-12-14 05:02:42,406 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 19 treesize of output 1 [2022-12-14 05:02:42,451 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 13 treesize of output 9 [2022-12-14 05:02:42,499 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 13 treesize of output 9 [2022-12-14 05:02:48,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:02:48,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:02:48,443 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:02:48,445 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:02:49,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:02:49,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:02:49,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:02:49,450 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:03:09,667 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 13 treesize of output 9 [2022-12-14 05:03:09,749 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 19 treesize of output 1 [2022-12-14 05:03:09,825 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 13 treesize of output 9 [2022-12-14 05:03:13,009 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 13 treesize of output 9 [2022-12-14 05:03:13,057 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 19 treesize of output 1 [2022-12-14 05:03:13,251 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 13 treesize of output 9 [2022-12-14 05:03:46,204 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 13 treesize of output 9 [2022-12-14 05:03:46,245 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 13 treesize of output 9 [2022-12-14 05:03:46,340 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 19 treesize of output 1 [2022-12-14 05:03:49,992 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 19 treesize of output 1 [2022-12-14 05:03:50,138 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 13 treesize of output 9 [2022-12-14 05:03:50,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:04:05,099 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 159 for LOIs [2022-12-14 05:04:05,348 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 127 for LOIs [2022-12-14 05:04:05,365 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 667 for LOIs [2022-12-14 05:04:07,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:04:07,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:04:07,429 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 05:04:07,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 67 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 152 [2022-12-14 05:04:07,714 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 05:04:07,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 05:04:08,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:04:08,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:04:09,050 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 05:04:09,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 67 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 152 [2022-12-14 05:04:09,439 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 05:04:09,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 05:04:10,949 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 05:04:10,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 79 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 24 case distinctions, treesize of input 77 treesize of output 161 [2022-12-14 05:04:11,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 79 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-12-14 05:04:11,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:04:11,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:04:11,336 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 703 for LOIs [2022-12-14 05:04:11,657 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_coherent with input of size 176 for LOIs [2022-12-14 05:04:11,712 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 132 for LOIs [2022-12-14 05:04:12,202 INFO L197 IcfgInterpreter]: Interpreting procedure kfree with input of size 133 for LOIs [2022-12-14 05:04:12,219 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 130 for LOIs [2022-12-14 05:04:12,231 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 147 for LOIs [2022-12-14 05:04:12,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:04:12,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:04:12,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-12-14 05:04:12,987 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-12-14 05:04:13,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:04:13,405 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 62 treesize of output 48 [2022-12-14 05:04:13,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-12-14 05:04:13,949 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-12-14 05:04:14,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:04:14,343 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 38 treesize of output 28 [2022-12-14 05:04:14,385 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 38 treesize of output 28 [2022-12-14 05:04:14,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-12-14 05:04:14,960 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-12-14 05:04:15,079 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 [2022-12-14 05:04:15,373 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 62 treesize of output 48 [2022-12-14 05:04:15,702 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 127 for LOIs [2022-12-14 05:04:15,715 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:06:34,745 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12908#(and (<= |~#usb_acecad_id_table~0.base| 11) (<= ~__mod_usb_device_table~0.bInterfaceClass 0) (<= 0 ~completeFnIntCounter~0) (<= ~INTERF_STATE~0 0) (<= ~__mod_usb_device_table~0.match_flags 0) (<= |~#usb_acecad_driver~0.offset| 0) (<= ~completeFnInt~0.base 0) (<= ~usb_intfdata~0.base 0) (<= 0 |#NULL.base|) (<= ~LDV_IN_INTERRUPT~0 1) (<= 0 ~__mod_usb_device_table~0.driver_info) (<= ~usb_dev~0.offset 0) (<= ~completeFnBulkCounter~0 0) (<= 0 ~__mod_usb_device_table~0.bDeviceClass) (<= 0 ~usb_acecad_driver_group1~0.offset) (<= 12 |~#usb_acecad_driver~0.base|) (<= 0 ~INTERF_STATE~0) (<= 0 ~completeFnInt~0.offset) (<= ~__mod_usb_device_table~0.idProduct 0) (<= ~ldv_retval_0~0 0) (<= 0 ~usb_dev~0.base) (<= ~dev_counter~0 0) (<= 0 ~usb_intfdata~0.base) (<= ~usb_dev~0.base 0) (<= ~usb_urb~0.offset 0) (<= ~__mod_usb_device_table~0.idVendor 0) (<= 0 ~__mod_usb_device_table~0.idProduct) (<= 0 ~__mod_usb_device_table~0.bcdDevice_lo) (<= 0 ~__mod_usb_device_table~0.idVendor) (<= ~__mod_usb_device_table~0.bcdDevice_lo 0) (<= 0 ~ldv_retval_1~0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 ~__mod_usb_device_table~0.match_flags) (<= 0 ~completeFnInt~0.base) (<= 0 ~usb_intfdata~0.offset) (<= ~__mod_usb_device_table~0.bcdDevice_hi 0) (<= 0 ~__mod_usb_device_table~0.bInterfaceClass) (<= |#NULL.offset| 0) (<= 0 ~__mod_usb_device_table~0.bDeviceProtocol) (<= 0 ~dev_counter~0) (<= 0 ~SERIAL_STATE~0) (<= ~completeFnIntCounter~0 0) (<= ~usb_acecad_driver_group1~0.offset 0) (<= 0 ~__mod_usb_device_table~0.bcdDevice_hi) (<= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (<= ~__mod_usb_device_table~0.bInterfaceProtocol 0) (= ~ldv_state_variable_0~0 2) (<= 0 ~__mod_usb_device_table~0.bInterfaceProtocol) (<= ~__mod_usb_device_table~0.bDeviceClass 0) (<= ~usb_intfdata~0.offset 0) (not (= (mod (+ ~usb_urb~0.base ~usb_urb~0.offset) 18446744073709551616) 0)) (= ~ref_cnt~0 0) (<= |#NULL.base| 0) (<= ~completeFnBulk~0.base 0) (<= 0 ~usb_urb~0.offset) (<= ~__mod_usb_device_table~0.bDeviceProtocol 0) (<= 0 ~__mod_usb_device_table~0.bDeviceSubClass) (<= ~__mod_usb_device_table~0.bDeviceSubClass 0) (<= ~__mod_usb_device_table~0.driver_info 0) (<= |~#usb_acecad_id_table~0.offset| 0) (<= 0 |~#usb_acecad_driver~0.offset|) (<= ~completeFnInt~0.offset 0) (<= 0 ~usb_dev~0.offset) (<= ~usb_counter~0 0) (<= 0 ~completeFnBulkCounter~0) (<= |~#usb_acecad_driver~0.base| 12) (<= ~completeFnBulk~0.offset 0) (<= 0 ~__mod_usb_device_table~0.bInterfaceSubClass) (<= 0 |#NULL.offset|) (<= 0 ~usb_counter~0) (<= 11 |~#usb_acecad_id_table~0.base|) (<= ~__mod_usb_device_table~0.bInterfaceSubClass 0) (<= 0 ~completeFnBulk~0.offset) (<= 0 |#StackHeapBarrier|) (<= ~SERIAL_STATE~0 0) (<= 0 |~#usb_acecad_id_table~0.offset|) (<= 0 ~completeFnBulk~0.base))' at error location [2022-12-14 05:06:34,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 05:06:34,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:06:34,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 20 [2022-12-14 05:06:34,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280218437] [2022-12-14 05:06:34,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:06:34,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 05:06:34,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 05:06:34,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=8909, Unknown=0, NotChecked=0, Total=9506 [2022-12-14 05:06:34,748 INFO L87 Difference]: Start difference. First operand 327 states and 429 transitions. Second operand has 20 states, 17 states have (on average 7.470588235294118) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (37), 3 states have call predecessors, (37), 9 states have return successors, (40), 13 states have call predecessors, (40), 7 states have call successors, (40) [2022-12-14 05:06:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:39,504 INFO L93 Difference]: Finished difference Result 700 states and 949 transitions. [2022-12-14 05:06:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 05:06:39,505 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.470588235294118) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (37), 3 states have call predecessors, (37), 9 states have return successors, (40), 13 states have call predecessors, (40), 7 states have call successors, (40) Word has length 123 [2022-12-14 05:06:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:39,508 INFO L225 Difference]: With dead ends: 700 [2022-12-14 05:06:39,508 INFO L226 Difference]: Without dead ends: 433 [2022-12-14 05:06:39,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2706 ImplicationChecksByTransitivity, 139.2s TimeCoverageRelationStatistics Valid=606, Invalid=9096, Unknown=0, NotChecked=0, Total=9702 [2022-12-14 05:06:39,510 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 157 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:39,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 2424 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 05:06:39,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-12-14 05:06:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 343. [2022-12-14 05:06:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 241 states have (on average 1.3112033195020747) internal successors, (316), 246 states have internal predecessors, (316), 64 states have call successors, (64), 35 states have call predecessors, (64), 37 states have return successors, (77), 65 states have call predecessors, (77), 63 states have call successors, (77) [2022-12-14 05:06:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 457 transitions. [2022-12-14 05:06:39,574 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 457 transitions. Word has length 123 [2022-12-14 05:06:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:39,574 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 457 transitions. [2022-12-14 05:06:39,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.470588235294118) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (37), 3 states have call predecessors, (37), 9 states have return successors, (40), 13 states have call predecessors, (40), 7 states have call successors, (40) [2022-12-14 05:06:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 457 transitions. [2022-12-14 05:06:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 05:06:39,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:39,576 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:06:39,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:06:39,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:06:39,777 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:06:39,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:39,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2076695425, now seen corresponding path program 2 times [2022-12-14 05:06:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:39,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855861577] [2022-12-14 05:06:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 05:06:40,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855861577] [2022-12-14 05:06:40,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855861577] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:06:40,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905150827] [2022-12-14 05:06:40,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 05:06:40,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:06:40,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:06:40,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:06:40,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:06:40,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 05:06:40,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 05:06:40,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 05:06:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:06:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-14 05:06:40,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:06:40,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905150827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:40,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:06:40,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-12-14 05:06:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703840625] [2022-12-14 05:06:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:40,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:06:40,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:06:40,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:06:40,547 INFO L87 Difference]: Start difference. First operand 343 states and 457 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:06:41,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:41,596 INFO L93 Difference]: Finished difference Result 474 states and 631 transitions. [2022-12-14 05:06:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:06:41,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2022-12-14 05:06:41,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:41,598 INFO L225 Difference]: With dead ends: 474 [2022-12-14 05:06:41,598 INFO L226 Difference]: Without dead ends: 469 [2022-12-14 05:06:41,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:06:41,599 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 119 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:41,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 479 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 05:06:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-12-14 05:06:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 464. [2022-12-14 05:06:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 325 states have (on average 1.3076923076923077) internal successors, (425), 333 states have internal predecessors, (425), 87 states have call successors, (87), 47 states have call predecessors, (87), 51 states have return successors, (107), 89 states have call predecessors, (107), 86 states have call successors, (107) [2022-12-14 05:06:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 619 transitions. [2022-12-14 05:06:41,667 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 619 transitions. Word has length 127 [2022-12-14 05:06:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:41,668 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 619 transitions. [2022-12-14 05:06:41,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:06:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 619 transitions. [2022-12-14 05:06:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 05:06:41,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:41,669 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:06:41,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 05:06:41,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 05:06:41,870 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:06:41,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:41,871 INFO L85 PathProgramCache]: Analyzing trace with hash -813885858, now seen corresponding path program 1 times [2022-12-14 05:06:41,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:41,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568064989] [2022-12-14 05:06:41,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:41,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 05:06:42,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:42,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568064989] [2022-12-14 05:06:42,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568064989] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:06:42,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378134986] [2022-12-14 05:06:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:42,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:06:42,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:06:42,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:06:42,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:06:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:42,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:06:42,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:06:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 05:06:42,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:06:42,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378134986] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:42,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:06:42,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 05:06:42,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727679794] [2022-12-14 05:06:42,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:42,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:06:42,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:42,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:06:42,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:06:42,768 INFO L87 Difference]: Start difference. First operand 464 states and 619 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 05:06:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:44,854 INFO L93 Difference]: Finished difference Result 1241 states and 1685 transitions. [2022-12-14 05:06:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:06:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2022-12-14 05:06:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:44,858 INFO L225 Difference]: With dead ends: 1241 [2022-12-14 05:06:44,858 INFO L226 Difference]: Without dead ends: 1236 [2022-12-14 05:06:44,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:06:44,859 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 391 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:44,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 875 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 05:06:44,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-12-14 05:06:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1140. [2022-12-14 05:06:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 789 states have (on average 1.3181242078580482) internal successors, (1040), 814 states have internal predecessors, (1040), 223 states have call successors, (223), 113 states have call predecessors, (223), 127 states have return successors, (278), 228 states have call predecessors, (278), 222 states have call successors, (278) [2022-12-14 05:06:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1541 transitions. [2022-12-14 05:06:44,980 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1541 transitions. Word has length 136 [2022-12-14 05:06:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:44,980 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1541 transitions. [2022-12-14 05:06:44,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 05:06:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1541 transitions. [2022-12-14 05:06:44,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 05:06:44,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:44,982 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:06:44,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 05:06:45,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:06:45,184 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:06:45,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:45,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2035000859, now seen corresponding path program 1 times [2022-12-14 05:06:45,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:45,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746329732] [2022-12-14 05:06:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 05:06:45,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:45,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746329732] [2022-12-14 05:06:45,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746329732] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:06:45,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831234818] [2022-12-14 05:06:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:45,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:06:45,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:06:45,906 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:06:45,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dadda94-5f48-4ddc-b3a6-e6422ea3a3bf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:06:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:46,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 223 conjunts are in the unsatisfiable core [2022-12-14 05:06:46,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:06:46,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:06:46,297 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 [2022-12-14 05:06:46,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:46,498 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_796 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_796) |c_#memory_int|)) is different from true [2022-12-14 05:06:46,530 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 6 treesize of output 5 [2022-12-14 05:06:46,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:46,551 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 05:06:46,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 05:06:46,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-14 05:06:46,586 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 5 treesize of output 3 [2022-12-14 05:06:46,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:46,747 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 05:06:46,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 05:06:47,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:06:47,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:47,216 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 05:06:47,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-14 05:06:47,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-12-14 05:06:47,503 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 05:06:47,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 05:06:47,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-14 05:06:47,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-14 05:06:47,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-14 05:06:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:47,968 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 32 treesize of output 26 [2022-12-14 05:06:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 22 trivial. 1 not checked. [2022-12-14 05:06:47,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:06:48,031 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_846 (Array Int Int)) (|ULTIMATE.start_usb_acecad_probe_~id#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_usb_acecad_probe_~input_dev~0#1.base| v_ArrVal_846) |c_ULTIMATE.start_usb_acecad_probe_~id#1.base|) (+ 16 |ULTIMATE.start_usb_acecad_probe_~id#1.offset|)) 0)) is different from false [2022-12-14 05:06:48,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831234818] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:06:48,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1789001370] [2022-12-14 05:06:48,040 INFO L159 IcfgInterpreter]: Started Sifa with 94 locations of interest [2022-12-14 05:06:48,040 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:06:48,041 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:06:48,041 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:06:48,041 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:06:48,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:48,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:06:48,390 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 [2022-12-14 05:06:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 05:06:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:06:48,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 715 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 546 treesize of output 196 [2022-12-14 05:06:49,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:49,683 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 [2022-12-14 05:06:49,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:49,916 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 [2022-12-14 05:06:49,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:49,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:51,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:06:51,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 05:06:51,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:51,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:51,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:51,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:06:56,863 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 13 treesize of output 9 [2022-12-14 05:06:56,897 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 19 treesize of output 1 [2022-12-14 05:06:56,923 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 13 treesize of output 9 [2022-12-14 05:07:03,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 509 treesize of output 490 [2022-12-14 05:07:03,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 509 treesize of output 490 [2022-12-14 05:07:04,776 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 19 treesize of output 1 [2022-12-14 05:07:05,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-12-14 05:07:05,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1579 treesize of output 1513 [2022-12-14 05:07:05,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:07:05,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1579 treesize of output 1513 [2022-12-14 05:07:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:25,847 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-12-14 05:07:26,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 45 treesize of output 19 [2022-12-14 05:07:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 39 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 81 [2022-12-14 05:07:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2022-12-14 05:07:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 45 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 78 [2022-12-14 05:07:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:07:26,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 72 treesize of output 74 [2022-12-14 05:07:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,851 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:07:26,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 72 treesize of output 74 [2022-12-14 05:07:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:26,930 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:07:26,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 37 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 92 [2022-12-14 05:07:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2022-12-14 05:07:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:07:27,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 36 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2022-12-14 05:07:27,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:27,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2022-12-14 05:07:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,030 INFO L321 Elim1Store]: treesize reduction 264, result has 39.7 percent of original size [2022-12-14 05:07:29,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 372 treesize of output 420 [2022-12-14 05:07:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,880 INFO L321 Elim1Store]: treesize reduction 178, result has 42.2 percent of original size [2022-12-14 05:07:29,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 434 treesize of output 444 [2022-12-14 05:07:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:34,924 INFO L321 Elim1Store]: treesize reduction 1826, result has 44.5 percent of original size [2022-12-14 05:07:34,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 13 select indices, 13 select index equivalence classes, 55 disjoint index pairs (out of 78 index pairs), introduced 15 new quantified variables, introduced 86 case distinctions, treesize of input 964 treesize of output 1847 [2022-12-14 05:07:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,623 INFO L321 Elim1Store]: treesize reduction 262, result has 39.6 percent of original size [2022-12-14 05:07:35,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 1841 treesize of output 1659 [2022-12-14 05:07:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:36,054 INFO L321 Elim1Store]: treesize reduction 164, result has 44.2 percent of original size [2022-12-14 05:07:36,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 1702 treesize of output 1424