./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-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_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/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_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-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_6acbf454-c46e-4d89-9986-aef45834b367/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_6acbf454-c46e-4d89-9986-aef45834b367/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 8bd4d18c7774801c1dd2fcc01cd37afd9da2c99096cf08f4bd160d17156b286b --- 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 13:55:01,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:55:01,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:55:01,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:55:01,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:55:01,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:55:01,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:55:01,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:55:01,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:55:01,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:55:01,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:55:01,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:55:01,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:55:01,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:55:01,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:55:01,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:55:01,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:55:01,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:55:01,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:55:01,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:55:01,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:55:01,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:55:01,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:55:01,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:55:01,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:55:01,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:55:01,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:55:01,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:55:01,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:55:01,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:55:01,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:55:01,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:55:01,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:55:01,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:55:01,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:55:01,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:55:01,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:55:01,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:55:01,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:55:01,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:55:01,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:55:01,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:55:01,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:55:01,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:55:01,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:55:01,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:55:01,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:55:01,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:55:01,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:55:01,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:55:01,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:55:01,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:55:01,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:55:01,544 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:55:01,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:55:01,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:55:01,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:55:01,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:55:01,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:55:01,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:55:01,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:55:01,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:55:01,546 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_6acbf454-c46e-4d89-9986-aef45834b367/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bd4d18c7774801c1dd2fcc01cd37afd9da2c99096cf08f4bd160d17156b286b [2022-12-14 13:55:01,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:55:01,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:55:01,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:55:01,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:55:01,733 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:55:01,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 13:55:04,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:55:04,563 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:55:04,563 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 13:55:04,578 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/data/cc1b04f8d/ab409f1c943f45bb8d0d1618e79d9ac9/FLAGc7c6b9121 [2022-12-14 13:55:04,908 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/data/cc1b04f8d/ab409f1c943f45bb8d0d1618e79d9ac9 [2022-12-14 13:55:04,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:55:04,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:55:04,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:55:04,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:55:04,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:55:04,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:55:04" (1/1) ... [2022-12-14 13:55:04,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da428ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:04, skipping insertion in model container [2022-12-14 13:55:04,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:55:04" (1/1) ... [2022-12-14 13:55:04,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:55:04,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:55:05,336 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:55:05,338 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:55:05,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,412 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:55:05,415 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:55:05,425 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,428 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,431 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:55:05,453 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:55:05,458 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 13:55:05,460 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 13:55:05,461 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,461 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,462 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,464 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,464 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,464 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,465 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,466 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,466 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,468 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 13:55:05,468 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 13:55:05,469 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 13:55:05,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:55:05,472 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 13:55:05,473 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 13:55:05,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:55:05,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:55:05,489 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:55:05,492 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:55:05,493 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:55:05,494 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:55:05,495 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:55:05,498 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_6acbf454-c46e-4d89-9986-aef45834b367/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113815,113828] [2022-12-14 13:55:05,505 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,508 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,512 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,529 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:55:05,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:55:05,626 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:55:05,627 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:55:05,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,631 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:55:05,631 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:55:05,632 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,632 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,632 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 13:55:05,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:55:05,638 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:55:05,639 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 13:55:05,641 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 13:55:05,641 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,642 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,642 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 13:55:05,646 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,647 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,647 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,648 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,648 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,648 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 13:55:05,649 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 13:55:05,650 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 13:55:05,650 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 13:55:05,650 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:55:05,651 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 13:55:05,651 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 13:55:05,652 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:55:05,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:55:05,654 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:55:05,656 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:55:05,656 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:55:05,657 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:55:05,658 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:55:05,658 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_6acbf454-c46e-4d89-9986-aef45834b367/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113815,113828] [2022-12-14 13:55:05,659 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,660 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,661 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,663 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,664 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,664 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:55:05,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:55:05,682 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:55:05,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05 WrapperNode [2022-12-14 13:55:05,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:55:05,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:55:05,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:55:05,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:55:05,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,734 INFO L138 Inliner]: procedures = 109, calls = 318, calls flagged for inlining = 49, calls inlined = 43, statements flattened = 800 [2022-12-14 13:55:05,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:55:05,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:55:05,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:55:05,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:55:05,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:55:05,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:55:05,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:55:05,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:55:05,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (1/1) ... [2022-12-14 13:55:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:55:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:55:05,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:55:05,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:55:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:55:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:55:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-12-14 13:55:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2022-12-14 13:55:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 13:55:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 13:55:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:55:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:55:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:55:06,045 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:55:06,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:55:06,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 13:55:06,625 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:55:06,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:55:06,768 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:55:06,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:55:06 BoogieIcfgContainer [2022-12-14 13:55:06,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:55:06,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:55:06,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:55:06,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:55:06,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:55:04" (1/3) ... [2022-12-14 13:55:06,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b737afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:55:06, skipping insertion in model container [2022-12-14 13:55:06,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:55:05" (2/3) ... [2022-12-14 13:55:06,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b737afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:55:06, skipping insertion in model container [2022-12-14 13:55:06,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:55:06" (3/3) ... [2022-12-14 13:55:06,776 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 13:55:06,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:55:06,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:55:06,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:55:06,831 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;@43e0d55e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:55:06,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:55:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 112 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 13:55:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 13:55:06,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:06,842 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 13:55:06,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:06,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1680558576, now seen corresponding path program 1 times [2022-12-14 13:55:06,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487863228] [2022-12-14 13:55:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:06,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:07,094 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 13:55:07,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:07,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487863228] [2022-12-14 13:55:07,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487863228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:07,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:07,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:07,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983308525] [2022-12-14 13:55:07,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:07,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:07,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:07,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:07,122 INFO L87 Difference]: Start difference. First operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 112 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 13:55:07,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:07,714 INFO L93 Difference]: Finished difference Result 459 states and 642 transitions. [2022-12-14 13:55:07,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:07,717 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 13:55:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:07,725 INFO L225 Difference]: With dead ends: 459 [2022-12-14 13:55:07,725 INFO L226 Difference]: Without dead ends: 289 [2022-12-14 13:55:07,728 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 13:55:07,731 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 190 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:07,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 400 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 13:55:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-12-14 13:55:07,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-12-14 13:55:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 188 states have (on average 1.3457446808510638) internal successors, (253), 195 states have internal predecessors, (253), 72 states have call successors, (72), 29 states have call predecessors, (72), 28 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-12-14 13:55:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 393 transitions. [2022-12-14 13:55:07,787 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 393 transitions. Word has length 23 [2022-12-14 13:55:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:07,788 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 393 transitions. [2022-12-14 13:55:07,788 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 13:55:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 393 transitions. [2022-12-14 13:55:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 13:55:07,790 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:07,790 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 13:55:07,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:55:07,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1021492135, now seen corresponding path program 1 times [2022-12-14 13:55:07,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:07,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306247013] [2022-12-14 13:55:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:07,882 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 13:55:07,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:07,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306247013] [2022-12-14 13:55:07,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306247013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:07,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:07,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:07,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783812340] [2022-12-14 13:55:07,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:07,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:07,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:07,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:07,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:07,885 INFO L87 Difference]: Start difference. First operand 289 states and 393 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 13:55:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:08,673 INFO L93 Difference]: Finished difference Result 475 states and 637 transitions. [2022-12-14 13:55:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:08,674 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 13:55:08,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:08,679 INFO L225 Difference]: With dead ends: 475 [2022-12-14 13:55:08,679 INFO L226 Difference]: Without dead ends: 472 [2022-12-14 13:55:08,680 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 13:55:08,680 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:08,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 360 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 13:55:08,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-12-14 13:55:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2022-12-14 13:55:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 308 states have (on average 1.3409090909090908) internal successors, (413), 321 states have internal predecessors, (413), 111 states have call successors, (111), 49 states have call predecessors, (111), 48 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2022-12-14 13:55:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 631 transitions. [2022-12-14 13:55:08,710 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 631 transitions. Word has length 37 [2022-12-14 13:55:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:08,710 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 631 transitions. [2022-12-14 13:55:08,710 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 13:55:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 631 transitions. [2022-12-14 13:55:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 13:55:08,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:08,711 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 13:55:08,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:55:08,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:08,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:08,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1601475059, now seen corresponding path program 1 times [2022-12-14 13:55:08,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:08,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095794596] [2022-12-14 13:55:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:08,782 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 13:55:08,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:08,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095794596] [2022-12-14 13:55:08,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095794596] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:08,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:08,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:08,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73896316] [2022-12-14 13:55:08,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:08,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:08,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:08,784 INFO L87 Difference]: Start difference. First operand 468 states and 631 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 13:55:09,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:09,286 INFO L93 Difference]: Finished difference Result 470 states and 632 transitions. [2022-12-14 13:55:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:09,287 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 13:55:09,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:09,290 INFO L225 Difference]: With dead ends: 470 [2022-12-14 13:55:09,290 INFO L226 Difference]: Without dead ends: 467 [2022-12-14 13:55:09,291 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 13:55:09,291 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:09,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 173 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 13:55:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-12-14 13:55:09,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2022-12-14 13:55:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 308 states have (on average 1.3376623376623376) internal successors, (412), 320 states have internal predecessors, (412), 110 states have call successors, (110), 49 states have call predecessors, (110), 48 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2022-12-14 13:55:09,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 629 transitions. [2022-12-14 13:55:09,315 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 629 transitions. Word has length 38 [2022-12-14 13:55:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:09,315 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 629 transitions. [2022-12-14 13:55:09,315 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 13:55:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 629 transitions. [2022-12-14 13:55:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 13:55:09,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:09,317 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 13:55:09,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:55:09,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1893895644, now seen corresponding path program 1 times [2022-12-14 13:55:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:09,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167459474] [2022-12-14 13:55:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:09,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:09,375 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 13:55:09,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:09,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167459474] [2022-12-14 13:55:09,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167459474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:09,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:09,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:09,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848424050] [2022-12-14 13:55:09,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:09,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:09,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:09,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:09,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:09,377 INFO L87 Difference]: Start difference. First operand 467 states and 629 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 13:55:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:09,766 INFO L93 Difference]: Finished difference Result 469 states and 630 transitions. [2022-12-14 13:55:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:09,767 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 13:55:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:09,769 INFO L225 Difference]: With dead ends: 469 [2022-12-14 13:55:09,769 INFO L226 Difference]: Without dead ends: 466 [2022-12-14 13:55:09,769 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 13:55:09,770 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:09,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 171 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 13:55:09,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-12-14 13:55:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2022-12-14 13:55:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 308 states have (on average 1.3344155844155845) internal successors, (411), 319 states have internal predecessors, (411), 109 states have call successors, (109), 49 states have call predecessors, (109), 48 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2022-12-14 13:55:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 627 transitions. [2022-12-14 13:55:09,790 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 627 transitions. Word has length 39 [2022-12-14 13:55:09,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:09,791 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 627 transitions. [2022-12-14 13:55:09,791 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 13:55:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 627 transitions. [2022-12-14 13:55:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 13:55:09,792 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:09,792 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 13:55:09,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:55:09,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:09,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1418757392, now seen corresponding path program 1 times [2022-12-14 13:55:09,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:09,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519026949] [2022-12-14 13:55:09,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:09,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:09,849 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 13:55:09,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519026949] [2022-12-14 13:55:09,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519026949] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:09,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:09,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457791159] [2022-12-14 13:55:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:09,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:09,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:09,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:09,851 INFO L87 Difference]: Start difference. First operand 466 states and 627 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 13:55:10,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:10,165 INFO L93 Difference]: Finished difference Result 468 states and 628 transitions. [2022-12-14 13:55:10,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:10,166 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 13:55:10,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:10,168 INFO L225 Difference]: With dead ends: 468 [2022-12-14 13:55:10,168 INFO L226 Difference]: Without dead ends: 460 [2022-12-14 13:55:10,168 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 13:55:10,169 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 186 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:10,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 170 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 13:55:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-12-14 13:55:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-12-14 13:55:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 303 states have (on average 1.33003300330033) internal successors, (403), 313 states have internal predecessors, (403), 108 states have call successors, (108), 49 states have call predecessors, (108), 48 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2022-12-14 13:55:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 618 transitions. [2022-12-14 13:55:10,189 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 618 transitions. Word has length 40 [2022-12-14 13:55:10,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:10,189 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 618 transitions. [2022-12-14 13:55:10,189 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 13:55:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 618 transitions. [2022-12-14 13:55:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 13:55:10,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:10,192 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] [2022-12-14 13:55:10,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:55:10,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:10,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:10,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1391384648, now seen corresponding path program 1 times [2022-12-14 13:55:10,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:10,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99557260] [2022-12-14 13:55:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:10,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:10,285 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 13:55:10,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:10,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99557260] [2022-12-14 13:55:10,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99557260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:10,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:55:10,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:55:10,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753502383] [2022-12-14 13:55:10,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:10,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:55:10,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:10,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:55:10,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:55:10,288 INFO L87 Difference]: Start difference. First operand 460 states and 618 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 13:55:10,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:10,764 INFO L93 Difference]: Finished difference Result 748 states and 1004 transitions. [2022-12-14 13:55:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:55:10,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2022-12-14 13:55:10,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:10,766 INFO L225 Difference]: With dead ends: 748 [2022-12-14 13:55:10,766 INFO L226 Difference]: Without dead ends: 299 [2022-12-14 13:55:10,767 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 13:55:10,768 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 31 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:10,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 328 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 13:55:10,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-12-14 13:55:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2022-12-14 13:55:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 204 states have (on average 1.3431372549019607) internal successors, (274), 209 states have internal predecessors, (274), 59 states have call successors, (59), 31 states have call predecessors, (59), 30 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2022-12-14 13:55:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2022-12-14 13:55:10,780 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 108 [2022-12-14 13:55:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:10,780 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2022-12-14 13:55:10,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 13:55:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2022-12-14 13:55:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 13:55:10,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:10,782 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] [2022-12-14 13:55:10,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:55:10,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:10,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:10,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2004118289, now seen corresponding path program 1 times [2022-12-14 13:55:10,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:10,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803272354] [2022-12-14 13:55:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:11,165 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 13:55:11,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:11,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803272354] [2022-12-14 13:55:11,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803272354] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:55:11,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483777313] [2022-12-14 13:55:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:11,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:55:11,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:55:11,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:55:11,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:55:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:11,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 13:55:11,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:55:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 13:55:11,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:55:11,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483777313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:55:11,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:55:11,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-12-14 13:55:11,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651200052] [2022-12-14 13:55:11,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:55:11,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:55:11,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:55:11,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:55:11,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:55:11,520 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 13:55:12,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:55:12,949 INFO L93 Difference]: Finished difference Result 576 states and 779 transitions. [2022-12-14 13:55:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:55:12,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2022-12-14 13:55:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:55:12,951 INFO L225 Difference]: With dead ends: 576 [2022-12-14 13:55:12,952 INFO L226 Difference]: Without dead ends: 308 [2022-12-14 13:55:12,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:55:12,953 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 1 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:55:12,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 657 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 13:55:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-12-14 13:55:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 302. [2022-12-14 13:55:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 210 states have (on average 1.3333333333333333) internal successors, (280), 215 states have internal predecessors, (280), 59 states have call successors, (59), 31 states have call predecessors, (59), 32 states have return successors, (67), 59 states have call predecessors, (67), 58 states have call successors, (67) [2022-12-14 13:55:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2022-12-14 13:55:12,973 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 114 [2022-12-14 13:55:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:55:12,974 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2022-12-14 13:55:12,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 13:55:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2022-12-14 13:55:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 13:55:12,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:55:12,975 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] [2022-12-14 13:55:12,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:55:13,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 13:55:13,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:55:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:55:13,177 INFO L85 PathProgramCache]: Analyzing trace with hash 530455219, now seen corresponding path program 1 times [2022-12-14 13:55:13,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:55:13,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963302288] [2022-12-14 13:55:13,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:13,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:55:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:13,747 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 13:55:13,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:55:13,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963302288] [2022-12-14 13:55:13,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963302288] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:55:13,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362988832] [2022-12-14 13:55:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:55:13,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:55:13,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:55:13,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:55:13,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:55:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:55:14,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 69 conjunts are in the unsatisfiable core [2022-12-14 13:55:14,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:55:14,111 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 13:55:14,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:55:14,323 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 13:55:14,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362988832] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:55:14,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1809314427] [2022-12-14 13:55:14,339 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-12-14 13:55:14,339 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:55:14,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:55:14,346 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:55:14,346 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:55:14,748 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 13:55:14,754 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 13:55:14,761 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 13:55:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,215 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 13:55:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:55:15,680 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 13:55:16,456 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 13:55:16,512 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 13:55:16,546 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 13:55:16,758 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 13:55:16,783 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 13:55:16,807 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 13:55:18,542 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 13:55:18,546 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 13:55:29,680 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 13:55:29,715 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 13:55:29,740 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 13:55:31,051 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 13:55:31,094 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 235 treesize of output 216 [2022-12-14 13:55:31,131 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 235 treesize of output 216 [2022-12-14 13:55:33,227 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 13:55:34,877 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 13:55:35,442 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 13:55:44,528 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 13:55:44,588 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 13:55:44,611 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 13:55:45,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 13:55:45,528 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 13:55:45,586 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 13:55:49,592 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 13:55:49,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:55:50,313 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 13:55:50,354 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:55:59,289 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 13:55:59,312 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 13:55:59,370 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 13:56:00,308 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 13:56:00,386 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 13:56:00,415 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 19 treesize of output 1 [2022-12-14 13:56:04,635 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 13:56:04,666 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 13:56:05,234 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 13:56:05,267 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 13:56:09,477 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 162 for LOIs [2022-12-14 13:56:09,547 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 665 for LOIs [2022-12-14 13:56:11,273 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 13:56:11,274 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 13:56:11,370 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 13:56:11,455 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 13:56:11,489 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 13:56:12,305 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 13:56:12,318 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 13:56:12,567 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 13:56:12,568 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 13:56:12,842 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 13:56:12,842 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 13:56:14,217 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 13:56:14,239 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 13:56:14,424 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-12-14 13:56:14,424 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 13:56:14,668 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-12-14 13:56:14,668 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 13:56:14,835 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 701 for LOIs [2022-12-14 13:56:15,148 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_coherent with input of size 166 for LOIs [2022-12-14 13:56:15,198 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 138 for LOIs [2022-12-14 13:56:15,574 INFO L197 IcfgInterpreter]: Interpreting procedure kfree with input of size 132 for LOIs [2022-12-14 13:56:15,589 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 127 for LOIs [2022-12-14 13:56:15,601 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 130 for LOIs [2022-12-14 13:56:15,657 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 13:56:15,670 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 13:56:16,217 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 171 for LOIs [2022-12-14 13:56:16,465 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:57:56,603 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10835#(and (<= |~#usb_acecad_id_table~0.base| 11) (<= 0 ~bulk_urb~0.offset) (<= ~__mod_usb_device_table~0.bInterfaceClass 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) (<= 0 ~URB_STATE~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) (<= 0 ~DEV_STATE~0) (<= ~__mod_usb_device_table~0.idProduct 0) (<= ~ldv_retval_0~0 0) (<= 0 ~usb_intfdata~0.base) (<= 0 ~int_urb~0.base) (<= ~bulk_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) (<= ~int_urb~0.offset 0) (<= |#NULL.offset| 0) (<= 0 ~__mod_usb_device_table~0.bDeviceProtocol) (<= 0 ~SERIAL_STATE~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) (not (= ~URB_STATE~0 0)) (<= 0 ~int_urb~0.offset) (<= ~__mod_usb_device_table~0.bDeviceClass 0) (<= ~usb_intfdata~0.offset 0) (<= ~DEV_STATE~0 0) (= ~ref_cnt~0 0) (<= |#NULL.base| 0) (<= ~completeFnBulk~0.base 0) (<= ~int_urb~0.base 0) (<= ~__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 ~bulk_urb~0.base) (<= ~usb_counter~0 0) (<= |~#usb_acecad_driver~0.base| 12) (<= ~completeFnBulk~0.offset 0) (<= 0 ~__mod_usb_device_table~0.bInterfaceSubClass) (<= 0 (+ ~ldv_retval_0~0 12)) (<= 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) (<= ~bulk_urb~0.base 0) (<= 0 |~#usb_acecad_id_table~0.offset|) (<= 0 ~completeFnBulk~0.base))' at error location [2022-12-14 13:57:56,603 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 13:57:56,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:57:56,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-12-14 13:57:56,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211173373] [2022-12-14 13:57:56,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 13:57:56,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 13:57:56,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:57:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 13:57:56,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=6831, Unknown=0, NotChecked=0, Total=7140 [2022-12-14 13:57:56,606 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (23), 8 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 13:57:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:57:59,730 INFO L93 Difference]: Finished difference Result 675 states and 930 transitions. [2022-12-14 13:57:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:57:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (23), 8 states have call predecessors, (23), 4 states have call successors, (23) Word has length 118 [2022-12-14 13:57:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:57:59,732 INFO L225 Difference]: With dead ends: 675 [2022-12-14 13:57:59,732 INFO L226 Difference]: Without dead ends: 399 [2022-12-14 13:57:59,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 100.1s TimeCoverageRelationStatistics Valid=309, Invalid=6831, Unknown=0, NotChecked=0, Total=7140 [2022-12-14 13:57:59,734 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 40 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:57:59,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1748 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 13:57:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-12-14 13:57:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 314. [2022-12-14 13:57:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 218 states have (on average 1.3211009174311927) internal successors, (288), 221 states have internal predecessors, (288), 61 states have call successors, (61), 31 states have call predecessors, (61), 34 states have return successors, (75), 65 states have call predecessors, (75), 60 states have call successors, (75) [2022-12-14 13:57:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 424 transitions. [2022-12-14 13:57:59,748 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 424 transitions. Word has length 118 [2022-12-14 13:57:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:57:59,749 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 424 transitions. [2022-12-14 13:57:59,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (23), 8 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 13:57:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 424 transitions. [2022-12-14 13:57:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 13:57:59,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:57:59,750 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] [2022-12-14 13:57:59,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:57:59,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 13:57:59,951 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:57:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:57:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash -185527817, now seen corresponding path program 2 times [2022-12-14 13:57:59,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:57:59,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514906126] [2022-12-14 13:57:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:57:59,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:57:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 13:58:00,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:58:00,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514906126] [2022-12-14 13:58:00,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514906126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:58:00,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:58:00,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:58:00,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194156520] [2022-12-14 13:58:00,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:58:00,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:58:00,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:58:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:58:00,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:58:00,497 INFO L87 Difference]: Start difference. First operand 314 states and 424 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 13:58:02,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:58:02,413 INFO L93 Difference]: Finished difference Result 484 states and 659 transitions. [2022-12-14 13:58:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:58:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2022-12-14 13:58:02,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:58:02,415 INFO L225 Difference]: With dead ends: 484 [2022-12-14 13:58:02,415 INFO L226 Difference]: Without dead ends: 479 [2022-12-14 13:58:02,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:58:02,416 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 148 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:58:02,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 682 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 13:58:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-12-14 13:58:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 478. [2022-12-14 13:58:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 330 states have (on average 1.3242424242424242) internal successors, (437), 334 states have internal predecessors, (437), 96 states have call successors, (96), 46 states have call predecessors, (96), 51 states have return successors, (118), 103 states have call predecessors, (118), 95 states have call successors, (118) [2022-12-14 13:58:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 651 transitions. [2022-12-14 13:58:02,434 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 651 transitions. Word has length 126 [2022-12-14 13:58:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:58:02,435 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 651 transitions. [2022-12-14 13:58:02,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 13:58:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 651 transitions. [2022-12-14 13:58:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 13:58:02,437 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:58:02,437 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 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] [2022-12-14 13:58:02,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 13:58:02,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:58:02,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:58:02,437 INFO L85 PathProgramCache]: Analyzing trace with hash 20080409, now seen corresponding path program 3 times [2022-12-14 13:58:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:58:02,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846423462] [2022-12-14 13:58:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:02,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:58:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 13:58:03,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:58:03,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846423462] [2022-12-14 13:58:03,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846423462] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:58:03,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736856000] [2022-12-14 13:58:03,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 13:58:03,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:58:03,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:58:03,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:58:03,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 13:58:03,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 13:58:03,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 13:58:03,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:58:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 13:58:03,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:58:03,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736856000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:58:03,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:58:03,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-12-14 13:58:03,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171319229] [2022-12-14 13:58:03,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:58:03,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:58:03,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:58:03,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:58:03,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:58:03,395 INFO L87 Difference]: Start difference. First operand 478 states and 651 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 13:58:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:58:04,568 INFO L93 Difference]: Finished difference Result 828 states and 1133 transitions. [2022-12-14 13:58:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 13:58:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2022-12-14 13:58:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:58:04,571 INFO L225 Difference]: With dead ends: 828 [2022-12-14 13:58:04,571 INFO L226 Difference]: Without dead ends: 484 [2022-12-14 13:58:04,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:58:04,573 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:58:04,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 654 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 13:58:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-12-14 13:58:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2022-12-14 13:58:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 336 states have (on average 1.318452380952381) internal successors, (443), 337 states have internal predecessors, (443), 96 states have call successors, (96), 46 states have call predecessors, (96), 51 states have return successors, (118), 106 states have call predecessors, (118), 95 states have call successors, (118) [2022-12-14 13:58:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2022-12-14 13:58:04,604 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 130 [2022-12-14 13:58:04,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:58:04,605 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2022-12-14 13:58:04,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 13:58:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2022-12-14 13:58:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 13:58:04,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:58:04,608 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 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] [2022-12-14 13:58:04,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:58:04,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 13:58:04,809 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:58:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:58:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash -777699179, now seen corresponding path program 4 times [2022-12-14 13:58:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:58:04,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497575671] [2022-12-14 13:58:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:58:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 13:58:05,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:58:05,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497575671] [2022-12-14 13:58:05,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497575671] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:58:05,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267542125] [2022-12-14 13:58:05,384 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 13:58:05,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:05,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:58:05,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:58:05,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:58:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:05,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 13:58:05,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:58:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 13:58:05,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:58:05,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267542125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:58:05,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:58:05,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2022-12-14 13:58:05,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273483564] [2022-12-14 13:58:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:58:05,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:58:05,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:58:05,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:58:05,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-14 13:58:05,939 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 13:58:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:58:07,499 INFO L93 Difference]: Finished difference Result 741 states and 1002 transitions. [2022-12-14 13:58:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 13:58:07,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2022-12-14 13:58:07,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:58:07,502 INFO L225 Difference]: With dead ends: 741 [2022-12-14 13:58:07,502 INFO L226 Difference]: Without dead ends: 736 [2022-12-14 13:58:07,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-14 13:58:07,503 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 54 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:58:07,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 759 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 13:58:07,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-12-14 13:58:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2022-12-14 13:58:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 514 states have (on average 1.3132295719844358) internal successors, (675), 515 states have internal predecessors, (675), 142 states have call successors, (142), 70 states have call predecessors, (142), 79 states have return successors, (178), 160 states have call predecessors, (178), 141 states have call successors, (178) [2022-12-14 13:58:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 995 transitions. [2022-12-14 13:58:07,539 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 995 transitions. Word has length 130 [2022-12-14 13:58:07,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:58:07,539 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 995 transitions. [2022-12-14 13:58:07,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 13:58:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 995 transitions. [2022-12-14 13:58:07,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 13:58:07,541 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:58:07,541 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2022-12-14 13:58:07,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 13:58:07,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:07,743 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:58:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:58:07,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1752175383, now seen corresponding path program 1 times [2022-12-14 13:58:07,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:58:07,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127039673] [2022-12-14 13:58:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:58:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 13:58:08,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:58:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127039673] [2022-12-14 13:58:08,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127039673] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:58:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188174601] [2022-12-14 13:58:08,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:08,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:58:08,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:58:08,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 13:58:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:08,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1837 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:58:08,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:58:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 13:58:08,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:58:08,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188174601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:58:08,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:58:08,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 13:58:08,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119899212] [2022-12-14 13:58:08,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:58:08,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:58:08,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:58:08,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:58:08,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 13:58:08,580 INFO L87 Difference]: Start difference. First operand 736 states and 995 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 13:58:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:58:10,512 INFO L93 Difference]: Finished difference Result 1946 states and 2669 transitions. [2022-12-14 13:58:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:58:10,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2022-12-14 13:58:10,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:58:10,517 INFO L225 Difference]: With dead ends: 1946 [2022-12-14 13:58:10,517 INFO L226 Difference]: Without dead ends: 1941 [2022-12-14 13:58:10,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 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 13:58:10,518 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 396 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:58:10,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 896 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 13:58:10,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-12-14 13:58:10,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1766. [2022-12-14 13:58:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1226 states have (on average 1.3205546492659055) internal successors, (1619), 1235 states have internal predecessors, (1619), 350 states have call successors, (350), 166 states have call predecessors, (350), 189 states have return successors, (439), 388 states have call predecessors, (439), 349 states have call successors, (439) [2022-12-14 13:58:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2408 transitions. [2022-12-14 13:58:10,588 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2408 transitions. Word has length 146 [2022-12-14 13:58:10,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:58:10,588 INFO L495 AbstractCegarLoop]: Abstraction has 1766 states and 2408 transitions. [2022-12-14 13:58:10,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 13:58:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2408 transitions. [2022-12-14 13:58:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 13:58:10,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:58:10,591 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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, 1, 1, 1] [2022-12-14 13:58:10,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 13:58:10,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:10,792 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:58:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:58:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash 684911033, now seen corresponding path program 1 times [2022-12-14 13:58:10,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:58:10,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893281591] [2022-12-14 13:58:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:58:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-14 13:58:11,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:58:11,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893281591] [2022-12-14 13:58:11,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893281591] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:58:11,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374603448] [2022-12-14 13:58:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:58:11,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:58:11,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:58:11,464 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:58:11,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6acbf454-c46e-4d89-9986-aef45834b367/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 13:58:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:58:11,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 129 conjunts are in the unsatisfiable core [2022-12-14 13:58:11,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:58:11,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 13:58:11,802 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 13:58:12,023 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 13:58:12,036 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_889 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_889) |c_#memory_int|)) is different from true [2022-12-14 13:58:12,076 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 13:58:12,078 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 13:58:12,107 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 13:58:12,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 13:58:12,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 13:58:12,157 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 13:58:12,219 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 13:58:12,308 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 13:58:12,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 13:58:12,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 13:58:12,717 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 13:58:12,717 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 13:58:13,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 13:58:13,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 13:58:13,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 13:58:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,461 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 13:58:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 21 trivial. 1 not checked. [2022-12-14 13:58:13,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:58:13,498 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_898 (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_898) |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 13:58:13,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374603448] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:58:13,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1825561649] [2022-12-14 13:58:13,507 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2022-12-14 13:58:13,508 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:58:13,508 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:58:13,508 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:58:13,508 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:58:13,793 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 13:58:13,796 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 13:58:13,802 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 13:58:13,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:13,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,042 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 13:58:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:14,407 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 13:58:15,027 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 13:58:15,053 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 13:58:15,076 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 13:58:15,295 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 13:58:15,335 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 13:58:15,370 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 13:58:16,977 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 13:58:16,981 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 13:58:27,158 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 13:58:27,187 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 13:58:27,245 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 19 treesize of output 1 [2022-12-14 13:58:28,379 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 235 treesize of output 216 [2022-12-14 13:58:28,410 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 235 treesize of output 216 [2022-12-14 13:58:28,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 13:58:28,790 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 13:58:28,915 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 269 treesize of output 251 [2022-12-14 13:58:28,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:58:28,953 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 269 treesize of output 251 [2022-12-14 13:58:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,526 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 13:58:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,646 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:58:31,647 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 13:58:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,721 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:58:31,721 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 13:58:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,787 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:58:31,787 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 13:58:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,080 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 13:58:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:58:32,197 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 13:58:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,233 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 13:58:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,469 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-12-14 13:58:32,676 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 13:58:32,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,814 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 13:58:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:32,850 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 13:58:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,187 WARN L233 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 493 DAG size of output: 369 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:58:49,189 INFO L321 Elim1Store]: treesize reduction 2186, result has 44.8 percent of original size [2022-12-14 13:58:49,189 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 104 case distinctions, treesize of input 1528 treesize of output 2797 [2022-12-14 13:58:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:49,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,036 INFO L321 Elim1Store]: treesize reduction 262, result has 39.6 percent of original size [2022-12-14 13:58:50,036 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 2256 treesize of output 2148 [2022-12-14 13:58:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,650 INFO L321 Elim1Store]: treesize reduction 164, result has 44.2 percent of original size [2022-12-14 13:58:50,651 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 2183 treesize of output 1979 [2022-12-14 13:58:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:50,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,250 INFO L321 Elim1Store]: treesize reduction 262, result has 39.6 percent of original size [2022-12-14 13:58:51,251 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 1649 treesize of output 1503 [2022-12-14 13:58:51,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:58:51,640 INFO L321 Elim1Store]: treesize reduction 164, result has 44.2 percent of original size [2022-12-14 13:58:51,641 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 1540 treesize of output 1298 [2022-12-14 14:04:46,745 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification that was a NOOP. DAG size: 753 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)