./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:54:34,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:54:34,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:54:34,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:54:34,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:54:34,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:54:34,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:54:34,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:54:34,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:54:34,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:54:34,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:54:34,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:54:34,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:54:34,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:54:34,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:54:34,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:54:34,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:54:34,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:54:34,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:54:34,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:54:34,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:54:34,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:54:34,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:54:34,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:54:34,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:54:34,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:54:34,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:54:34,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:54:34,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:54:34,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:54:34,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:54:34,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:54:34,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:54:34,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:54:34,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:54:34,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:54:34,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:54:34,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:54:34,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:54:34,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:54:34,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:54:34,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:54:34,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:54:34,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:54:34,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:54:34,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:54:34,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:54:34,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:54:34,698 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:54:34,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:54:34,698 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:54:34,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:54:34,699 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:54:34,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:54:34,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:54:34,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:54:34,700 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:54:34,700 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:54:34,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:54:34,701 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:54:34,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:54:34,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:54:34,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:54:34,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:54:34,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:54:34,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:54:34,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:54:34,703 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:54:34,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:54:34,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:54:34,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:54:34,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:34,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:54:34,705 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:54:34,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:54:34,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:54:34,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:54:34,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:54:34,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:54:34,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:54:34,707 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_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b [2022-11-26 00:54:35,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:54:35,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:54:35,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:54:35,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:54:35,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:54:35,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-26 00:54:38,111 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:54:38,569 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:54:38,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-26 00:54:38,609 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/data/0d7c32955/9edb30f117464b7695aa9d4e348a2f97/FLAGc090185f0 [2022-11-26 00:54:38,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/data/0d7c32955/9edb30f117464b7695aa9d4e348a2f97 [2022-11-26 00:54:38,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:54:38,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:54:38,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:38,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:54:38,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:54:38,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:38" (1/1) ... [2022-11-26 00:54:38,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ea85fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:38, skipping insertion in model container [2022-11-26 00:54:38,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:38" (1/1) ... [2022-11-26 00:54:38,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:54:38,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:54:39,366 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:39,369 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:39,406 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,478 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:54:39,482 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:54:39,498 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,502 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,507 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:39,536 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:54:39,543 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:54:39,545 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:54:39,547 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,548 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,549 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,552 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,552 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,553 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,555 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,555 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,556 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,559 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:54:39,560 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:54:39,561 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:54:39,561 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:39,566 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:54:39,566 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:54:39,567 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:39,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:39,586 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:54:39,591 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:54:39,594 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:54:39,598 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_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2022-11-26 00:54:39,606 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,639 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,642 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:39,665 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:54:39,820 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:39,821 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:39,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,829 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:54:39,830 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:54:39,831 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,831 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,832 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:54:39,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:39,842 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:54:39,845 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:54:39,847 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:54:39,848 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,849 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,850 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:54:39,858 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,859 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,860 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,861 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,861 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,862 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:54:39,864 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:54:39,865 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:54:39,865 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:54:39,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:39,867 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:54:39,867 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:54:39,868 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:39,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:39,872 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:54:39,876 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:54:39,878 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:54:39,879 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_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2022-11-26 00:54:39,881 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,884 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,889 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,891 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:54:39,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:39,921 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:54:39,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39 WrapperNode [2022-11-26 00:54:39,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:39,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:39,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:54:39,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:54:39,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:39,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,016 INFO L138 Inliner]: procedures = 107, calls = 317, calls flagged for inlining = 47, calls inlined = 41, statements flattened = 790 [2022-11-26 00:54:40,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:40,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:54:40,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:54:40,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:54:40,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:54:40,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:54:40,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:54:40,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:54:40,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (1/1) ... [2022-11-26 00:54:40,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:40,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:40,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:54:40,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:54:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:54:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:54:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:54:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:54:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:54:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:54:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:54:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:54:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:54:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-26 00:54:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-26 00:54:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:54:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:54:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:54:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:54:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:54:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2022-11-26 00:54:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2022-11-26 00:54:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-26 00:54:40,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-26 00:54:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:54:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:54:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:54:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:54:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:54:40,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:54:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:54:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-26 00:54:40,259 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-26 00:54:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-26 00:54:40,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-26 00:54:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2022-11-26 00:54:40,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2022-11-26 00:54:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:54:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:54:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:54:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:54:40,261 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:54:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:54:40,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:54:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:54:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:54:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:54:40,641 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:54:40,643 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:54:40,734 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:54:41,651 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:54:41,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:54:41,844 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:54:41,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:54:41 BoogieIcfgContainer [2022-11-26 00:54:41,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:54:41,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:54:41,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:54:41,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:54:41,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:54:38" (1/3) ... [2022-11-26 00:54:41,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29be6f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:54:41, skipping insertion in model container [2022-11-26 00:54:41,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:39" (2/3) ... [2022-11-26 00:54:41,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29be6f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:54:41, skipping insertion in model container [2022-11-26 00:54:41,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:54:41" (3/3) ... [2022-11-26 00:54:41,859 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-26 00:54:41,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:54:41,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:54:41,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:54:41,950 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;@48b585df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:54:41,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:54:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 113 states have internal predecessors, (143), 43 states have call successors, (43), 16 states have call predecessors, (43), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-26 00:54:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:54:41,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:41,965 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] [2022-11-26 00:54:41,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:41,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:41,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1628873488, now seen corresponding path program 1 times [2022-11-26 00:54:41,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:41,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731857928] [2022-11-26 00:54:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:54:42,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:42,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731857928] [2022-11-26 00:54:42,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731857928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:42,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:42,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21404431] [2022-11-26 00:54:42,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:42,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:42,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:42,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:42,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:42,548 INFO L87 Difference]: Start difference. First operand has 161 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 113 states have internal predecessors, (143), 43 states have call successors, (43), 16 states have call predecessors, (43), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:54:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:43,767 INFO L93 Difference]: Finished difference Result 457 states and 638 transitions. [2022-11-26 00:54:43,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:43,771 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 [2022-11-26 00:54:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:43,782 INFO L225 Difference]: With dead ends: 457 [2022-11-26 00:54:43,782 INFO L226 Difference]: Without dead ends: 287 [2022-11-26 00:54:43,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:43,789 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 186 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:43,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 397 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:54:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-26 00:54:43,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-26 00:54:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 187 states have (on average 1.3422459893048129) internal successors, (251), 195 states have internal predecessors, (251), 71 states have call successors, (71), 29 states have call predecessors, (71), 28 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-26 00:54:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2022-11-26 00:54:43,869 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 23 [2022-11-26 00:54:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:43,869 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2022-11-26 00:54:43,870 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) [2022-11-26 00:54:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2022-11-26 00:54:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-26 00:54:43,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:43,872 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] [2022-11-26 00:54:43,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:54:43,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:43,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:43,874 INFO L85 PathProgramCache]: Analyzing trace with hash -360512689, now seen corresponding path program 1 times [2022-11-26 00:54:43,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:43,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059354633] [2022-11-26 00:54:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:43,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:54:44,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:44,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059354633] [2022-11-26 00:54:44,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059354633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:44,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:44,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:44,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165205008] [2022-11-26 00:54:44,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:44,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:44,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:44,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:44,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:44,235 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:45,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:45,290 INFO L93 Difference]: Finished difference Result 491 states and 651 transitions. [2022-11-26 00:54:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:45,290 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 [2022-11-26 00:54:45,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:45,298 INFO L225 Difference]: With dead ends: 491 [2022-11-26 00:54:45,300 INFO L226 Difference]: Without dead ends: 488 [2022-11-26 00:54:45,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:45,303 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 133 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:45,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 367 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:54:45,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-11-26 00:54:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 468. [2022-11-26 00:54:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 309 states have (on average 1.3300970873786409) internal successors, (411), 323 states have internal predecessors, (411), 110 states have call successors, (110), 49 states have call predecessors, (110), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:54:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 626 transitions. [2022-11-26 00:54:45,392 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 626 transitions. Word has length 37 [2022-11-26 00:54:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:45,393 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 626 transitions. [2022-11-26 00:54:45,393 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) [2022-11-26 00:54:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 626 transitions. [2022-11-26 00:54:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:54:45,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:45,401 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] [2022-11-26 00:54:45,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:54:45,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:45,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:45,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1709013437, now seen corresponding path program 1 times [2022-11-26 00:54:45,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:45,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721386282] [2022-11-26 00:54:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:45,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:54:45,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:45,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721386282] [2022-11-26 00:54:45,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721386282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:45,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:45,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:45,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818118141] [2022-11-26 00:54:45,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:45,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:45,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:45,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:45,696 INFO L87 Difference]: Start difference. First operand 468 states and 626 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:46,100 INFO L93 Difference]: Finished difference Result 470 states and 627 transitions. [2022-11-26 00:54:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:46,101 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 [2022-11-26 00:54:46,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:46,106 INFO L225 Difference]: With dead ends: 470 [2022-11-26 00:54:46,106 INFO L226 Difference]: Without dead ends: 467 [2022-11-26 00:54:46,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:46,108 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:46,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 172 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:54:46,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-11-26 00:54:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2022-11-26 00:54:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 309 states have (on average 1.3268608414239482) internal successors, (410), 322 states have internal predecessors, (410), 109 states have call successors, (109), 49 states have call predecessors, (109), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:54:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 624 transitions. [2022-11-26 00:54:46,155 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 624 transitions. Word has length 38 [2022-11-26 00:54:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:46,156 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 624 transitions. [2022-11-26 00:54:46,156 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) [2022-11-26 00:54:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 624 transitions. [2022-11-26 00:54:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-26 00:54:46,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:46,158 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] [2022-11-26 00:54:46,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:54:46,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:46,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1439818770, now seen corresponding path program 1 times [2022-11-26 00:54:46,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:46,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602483226] [2022-11-26 00:54:46,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:54:46,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:46,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602483226] [2022-11-26 00:54:46,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602483226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:46,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:46,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301595269] [2022-11-26 00:54:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:46,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:46,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:46,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:46,265 INFO L87 Difference]: Start difference. First operand 467 states and 624 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:46,903 INFO L93 Difference]: Finished difference Result 469 states and 625 transitions. [2022-11-26 00:54:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:46,905 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 [2022-11-26 00:54:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:46,908 INFO L225 Difference]: With dead ends: 469 [2022-11-26 00:54:46,908 INFO L226 Difference]: Without dead ends: 466 [2022-11-26 00:54:46,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:46,910 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:46,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 170 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:54:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-11-26 00:54:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2022-11-26 00:54:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 309 states have (on average 1.3236245954692556) internal successors, (409), 321 states have internal predecessors, (409), 108 states have call successors, (108), 49 states have call predecessors, (108), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:54:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 622 transitions. [2022-11-26 00:54:46,971 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 622 transitions. Word has length 39 [2022-11-26 00:54:46,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:46,972 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 622 transitions. [2022-11-26 00:54:46,972 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) [2022-11-26 00:54:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 622 transitions. [2022-11-26 00:54:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-26 00:54:46,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:46,974 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] [2022-11-26 00:54:46,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:54:46,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:46,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1684723552, now seen corresponding path program 1 times [2022-11-26 00:54:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:46,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538356757] [2022-11-26 00:54:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:54:47,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:47,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538356757] [2022-11-26 00:54:47,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538356757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:47,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:47,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:47,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798338376] [2022-11-26 00:54:47,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:47,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:47,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:47,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:47,066 INFO L87 Difference]: Start difference. First operand 466 states and 622 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:47,479 INFO L93 Difference]: Finished difference Result 468 states and 623 transitions. [2022-11-26 00:54:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:47,481 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 [2022-11-26 00:54:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:47,486 INFO L225 Difference]: With dead ends: 468 [2022-11-26 00:54:47,486 INFO L226 Difference]: Without dead ends: 465 [2022-11-26 00:54:47,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:47,489 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 185 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:47,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 168 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:54:47,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-11-26 00:54:47,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2022-11-26 00:54:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 309 states have (on average 1.3203883495145632) internal successors, (408), 320 states have internal predecessors, (408), 107 states have call successors, (107), 49 states have call predecessors, (107), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:54:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 620 transitions. [2022-11-26 00:54:47,544 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 620 transitions. Word has length 40 [2022-11-26 00:54:47,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:47,545 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 620 transitions. [2022-11-26 00:54:47,545 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) [2022-11-26 00:54:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 620 transitions. [2022-11-26 00:54:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 00:54:47,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:47,547 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:47,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:54:47,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:47,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash 686842069, now seen corresponding path program 1 times [2022-11-26 00:54:47,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:47,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941435606] [2022-11-26 00:54:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:54:47,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:47,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941435606] [2022-11-26 00:54:47,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941435606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:47,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:47,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:47,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099798790] [2022-11-26 00:54:47,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:47,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:47,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:47,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:47,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:47,695 INFO L87 Difference]: Start difference. First operand 465 states and 620 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:48,156 INFO L93 Difference]: Finished difference Result 467 states and 621 transitions. [2022-11-26 00:54:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:48,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-11-26 00:54:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:48,160 INFO L225 Difference]: With dead ends: 467 [2022-11-26 00:54:48,160 INFO L226 Difference]: Without dead ends: 458 [2022-11-26 00:54:48,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:48,162 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 182 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:48,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 167 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:54:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-26 00:54:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2022-11-26 00:54:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 303 states have (on average 1.316831683168317) internal successors, (399), 313 states have internal predecessors, (399), 106 states have call successors, (106), 49 states have call predecessors, (106), 48 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:54:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 610 transitions. [2022-11-26 00:54:48,204 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 610 transitions. Word has length 41 [2022-11-26 00:54:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:48,205 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 610 transitions. [2022-11-26 00:54:48,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:54:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 610 transitions. [2022-11-26 00:54:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:54:48,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:48,208 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:48,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:54:48,208 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:48,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash -892620249, now seen corresponding path program 1 times [2022-11-26 00:54:48,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:48,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130282787] [2022-11-26 00:54:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-26 00:54:48,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:48,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130282787] [2022-11-26 00:54:48,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130282787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:48,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:48,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:54:48,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599145204] [2022-11-26 00:54:48,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:48,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:54:48,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:48,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:54:48,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:48,367 INFO L87 Difference]: Start difference. First operand 458 states and 610 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:54:49,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:49,306 INFO L93 Difference]: Finished difference Result 745 states and 992 transitions. [2022-11-26 00:54:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:54:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 113 [2022-11-26 00:54:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:49,309 INFO L225 Difference]: With dead ends: 745 [2022-11-26 00:54:49,309 INFO L226 Difference]: Without dead ends: 298 [2022-11-26 00:54:49,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:54:49,313 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 31 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:49,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 320 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:54:49,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-26 00:54:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 293. [2022-11-26 00:54:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 204 states have (on average 1.3333333333333333) internal successors, (272), 209 states have internal predecessors, (272), 58 states have call successors, (58), 31 states have call predecessors, (58), 30 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-26 00:54:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 387 transitions. [2022-11-26 00:54:49,339 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 387 transitions. Word has length 113 [2022-11-26 00:54:49,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:49,339 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 387 transitions. [2022-11-26 00:54:49,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:54:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2022-11-26 00:54:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-26 00:54:49,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:49,347 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:49,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:54:49,348 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1546060490, now seen corresponding path program 1 times [2022-11-26 00:54:49,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:49,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266269492] [2022-11-26 00:54:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-26 00:54:50,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266269492] [2022-11-26 00:54:50,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266269492] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:54:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934091715] [2022-11-26 00:54:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:50,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:50,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:54:50,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:54:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:50,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-26 00:54:50,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-26 00:54:50,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:54:50,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934091715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:50,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:54:50,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-26 00:54:50,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205345458] [2022-11-26 00:54:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:50,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:54:50,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:50,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:54:50,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:50,684 INFO L87 Difference]: Start difference. First operand 293 states and 387 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:54:52,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:52,279 INFO L93 Difference]: Finished difference Result 568 states and 758 transitions. [2022-11-26 00:54:52,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:52,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2022-11-26 00:54:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:52,287 INFO L225 Difference]: With dead ends: 568 [2022-11-26 00:54:52,287 INFO L226 Difference]: Without dead ends: 297 [2022-11-26 00:54:52,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:52,289 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:52,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 639 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:54:52,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-26 00:54:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2022-11-26 00:54:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 206 states have (on average 1.3300970873786409) internal successors, (274), 213 states have internal predecessors, (274), 58 states have call successors, (58), 31 states have call predecessors, (58), 32 states have return successors, (63), 56 states have call predecessors, (63), 57 states have call successors, (63) [2022-11-26 00:54:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 395 transitions. [2022-11-26 00:54:52,322 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 395 transitions. Word has length 119 [2022-11-26 00:54:52,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:52,323 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 395 transitions. [2022-11-26 00:54:52,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:54:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 395 transitions. [2022-11-26 00:54:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-26 00:54:52,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:52,325 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:52,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:54:52,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:52,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1221233630, now seen corresponding path program 1 times [2022-11-26 00:54:52,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:52,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508578394] [2022-11-26 00:54:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-26 00:54:53,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:53,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508578394] [2022-11-26 00:54:53,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508578394] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:54:53,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623539255] [2022-11-26 00:54:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:53,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:54:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:54:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:54,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-26 00:54:54,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-26 00:54:54,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:54:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-26 00:54:54,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623539255] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:54:54,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1338034607] [2022-11-26 00:54:54,753 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2022-11-26 00:54:54,754 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:54:54,757 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:54:54,763 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:54:54,764 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:54:55,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:54:55,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:54:55,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-26 00:54:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:56,208 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-26 00:54:56,223 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 [2022-11-26 00:54:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:54:57,097 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 [2022-11-26 00:54:58,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 00:54:58,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:54:58,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:54:59,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:54:59,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 00:54:59,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:55:01,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:55:01,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:55:01,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:55:01,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:55:02,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:55:02,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:55:31,849 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 [2022-11-26 00:55:31,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:55:31,987 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 [2022-11-26 00:55:37,163 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 [2022-11-26 00:55:37,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-11-26 00:55:37,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-11-26 00:55:40,924 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 [2022-11-26 00:56:18,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:56:18,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:56:18,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:56:18,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:56:19,519 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 [2022-11-26 00:56:19,584 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 [2022-11-26 00:56:19,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:56:23,106 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 [2022-11-26 00:56:23,147 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 [2022-11-26 00:56:23,194 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 [2022-11-26 00:57:03,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:03,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:04,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:04,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:05,189 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 [2022-11-26 00:57:05,276 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 [2022-11-26 00:57:05,313 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 [2022-11-26 00:57:08,207 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 [2022-11-26 00:57:08,320 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 [2022-11-26 00:57:08,395 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 [2022-11-26 00:57:14,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:14,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:14,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:57:14,252 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:57:15,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:15,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:15,597 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:57:15,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:57:22,594 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 [2022-11-26 00:57:22,690 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 [2022-11-26 00:57:22,821 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 [2022-11-26 00:57:24,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:24,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:25,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:25,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:27,101 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 [2022-11-26 00:57:27,186 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 [2022-11-26 00:57:27,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:58:05,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:05,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:05,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:05,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:06,235 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 [2022-11-26 00:58:06,326 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 [2022-11-26 00:58:06,364 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 [2022-11-26 00:58:10,718 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 [2022-11-26 00:58:10,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-11-26 00:58:10,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 204 [2022-11-26 00:58:26,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:26,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:27,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:27,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:27,816 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 [2022-11-26 00:58:27,945 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 [2022-11-26 00:58:27,998 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 [2022-11-26 00:58:31,494 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 [2022-11-26 00:58:31,562 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 [2022-11-26 00:58:31,669 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 [2022-11-26 00:58:37,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:37,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:37,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:58:37,712 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:58:38,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:38,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:58:38,959 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:58:38,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:00,495 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 [2022-11-26 00:59:00,536 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 [2022-11-26 00:59:00,638 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 [2022-11-26 00:59:04,147 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 [2022-11-26 00:59:04,243 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 [2022-11-26 00:59:04,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:59:38,610 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 [2022-11-26 00:59:38,674 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 [2022-11-26 00:59:38,719 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 [2022-11-26 00:59:42,559 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 [2022-11-26 00:59:42,604 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 [2022-11-26 00:59:42,694 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 [2022-11-26 00:59:58,708 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 159 for LOIs [2022-11-26 00:59:58,994 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 127 for LOIs [2022-11-26 00:59:59,012 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 667 for LOIs [2022-11-26 01:00:01,008 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-11-26 01:00:01,009 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 [2022-11-26 01:00:01,135 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 [2022-11-26 01:00:01,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:00:01,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:00:02,417 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-11-26 01:00:02,418 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 [2022-11-26 01:00:02,820 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-11-26 01:00:02,820 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 [2022-11-26 01:00:02,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:00:03,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:00:04,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:00:04,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:00:04,774 INFO L321 Elim1Store]: treesize reduction 144, result has 43.1 percent of original size [2022-11-26 01:00:04,775 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 [2022-11-26 01:00:05,186 INFO L321 Elim1Store]: treesize reduction 216, result has 33.5 percent of original size [2022-11-26 01:00:05,187 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 [2022-11-26 01:00:05,382 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 703 for LOIs [2022-11-26 01:00:05,715 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_coherent with input of size 176 for LOIs [2022-11-26 01:00:05,814 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 132 for LOIs [2022-11-26 01:00:06,314 INFO L197 IcfgInterpreter]: Interpreting procedure kfree with input of size 133 for LOIs [2022-11-26 01:00:06,330 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 130 for LOIs [2022-11-26 01:00:06,344 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 147 for LOIs [2022-11-26 01:00:06,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:00:06,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:00:07,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-11-26 01:00:07,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-11-26 01:00:07,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:00:07,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2022-11-26 01:00:08,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-11-26 01:00:08,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-11-26 01:00:08,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:00:08,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:00:09,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-26 01:00:09,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 529 [2022-11-26 01:00:09,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 548 [2022-11-26 01:00:09,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:00:10,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2022-11-26 01:00:10,597 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 127 for LOIs [2022-11-26 01:00:10,610 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:00:19,115 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 667 DAG size of output: 644 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:00:25,747 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 681 DAG size of output: 659 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:00:32,198 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 703 DAG size of output: 657 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:00:39,009 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 705 DAG size of output: 659 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:02:58,099 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 401 DAG size of output: 380 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:04,765 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 443 DAG size of output: 416 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:11,578 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 445 DAG size of output: 414 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:18,584 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 459 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:36,490 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 402 DAG size of output: 398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:42,866 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 404 DAG size of output: 400 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:47,050 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12221#(and (<= |~#usb_acecad_id_table~0.base| 11) (<= ~__mod_usb_device_table~0.bInterfaceClass 0) (<= 0 ~completeFnIntCounter~0) (<= ~INTERF_STATE~0 0) (<= ~__mod_usb_device_table~0.match_flags 0) (<= |~#usb_acecad_driver~0.offset| 0) (<= ~completeFnInt~0.base 0) (<= ~usb_intfdata~0.base 0) (<= 0 |#NULL.base|) (<= ~LDV_IN_INTERRUPT~0 1) (<= 0 ~__mod_usb_device_table~0.driver_info) (<= ~usb_dev~0.offset 0) (<= ~completeFnBulkCounter~0 0) (<= 0 ~__mod_usb_device_table~0.bDeviceClass) (<= 0 ~usb_acecad_driver_group1~0.offset) (<= 12 |~#usb_acecad_driver~0.base|) (<= 0 ~INTERF_STATE~0) (<= 0 ~completeFnInt~0.offset) (<= ~__mod_usb_device_table~0.idProduct 0) (<= ~ldv_retval_0~0 0) (<= 0 ~usb_dev~0.base) (<= ~dev_counter~0 0) (<= 0 ~usb_intfdata~0.base) (<= ~usb_dev~0.base 0) (<= ~usb_urb~0.offset 0) (<= ~__mod_usb_device_table~0.idVendor 0) (<= 0 ~__mod_usb_device_table~0.idProduct) (<= 0 ~__mod_usb_device_table~0.bcdDevice_lo) (<= 0 ~__mod_usb_device_table~0.idVendor) (<= ~__mod_usb_device_table~0.bcdDevice_lo 0) (<= 0 ~ldv_retval_1~0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 ~__mod_usb_device_table~0.match_flags) (<= 0 ~completeFnInt~0.base) (<= 0 ~usb_intfdata~0.offset) (<= ~__mod_usb_device_table~0.bcdDevice_hi 0) (<= 0 ~__mod_usb_device_table~0.bInterfaceClass) (<= |#NULL.offset| 0) (<= 0 ~__mod_usb_device_table~0.bDeviceProtocol) (<= 0 ~dev_counter~0) (<= 0 ~SERIAL_STATE~0) (<= ~completeFnIntCounter~0 0) (<= ~usb_acecad_driver_group1~0.offset 0) (<= 0 ~__mod_usb_device_table~0.bcdDevice_hi) (<= ~ldv_retval_1~0 0) (= ~ldv_state_variable_1~0 0) (<= ~__mod_usb_device_table~0.bInterfaceProtocol 0) (= ~ldv_state_variable_0~0 2) (<= 0 ~__mod_usb_device_table~0.bInterfaceProtocol) (<= ~__mod_usb_device_table~0.bDeviceClass 0) (<= ~usb_intfdata~0.offset 0) (not (= (mod (+ ~usb_urb~0.base ~usb_urb~0.offset) 18446744073709551616) 0)) (= ~ref_cnt~0 0) (<= |#NULL.base| 0) (<= ~completeFnBulk~0.base 0) (<= 0 ~usb_urb~0.offset) (<= ~__mod_usb_device_table~0.bDeviceProtocol 0) (<= 0 ~__mod_usb_device_table~0.bDeviceSubClass) (<= ~__mod_usb_device_table~0.bDeviceSubClass 0) (<= ~__mod_usb_device_table~0.driver_info 0) (<= |~#usb_acecad_id_table~0.offset| 0) (<= 0 |~#usb_acecad_driver~0.offset|) (<= ~completeFnInt~0.offset 0) (<= 0 ~usb_dev~0.offset) (<= ~usb_counter~0 0) (<= 0 ~completeFnBulkCounter~0) (<= |~#usb_acecad_driver~0.base| 12) (<= ~completeFnBulk~0.offset 0) (<= 0 ~__mod_usb_device_table~0.bInterfaceSubClass) (<= 0 |#NULL.offset|) (<= 0 ~usb_counter~0) (<= 11 |~#usb_acecad_id_table~0.base|) (<= ~__mod_usb_device_table~0.bInterfaceSubClass 0) (<= 0 ~completeFnBulk~0.offset) (<= 0 |#StackHeapBarrier|) (<= ~SERIAL_STATE~0 0) (<= 0 |~#usb_acecad_id_table~0.offset|) (<= 0 ~completeFnBulk~0.base))' at error location [2022-11-26 01:03:47,050 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 01:03:47,051 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:47,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 5] total 12 [2022-11-26 01:03:47,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078736660] [2022-11-26 01:03:47,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:03:47,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 01:03:47,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:47,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 01:03:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=7457, Unknown=0, NotChecked=0, Total=8010 [2022-11-26 01:03:47,057 INFO L87 Difference]: Start difference. First operand 297 states and 395 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (25), 7 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 01:03:50,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:50,329 INFO L93 Difference]: Finished difference Result 669 states and 914 transitions. [2022-11-26 01:03:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:03:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (25), 7 states have call predecessors, (25), 3 states have call successors, (25) Word has length 123 [2022-11-26 01:03:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:50,333 INFO L225 Difference]: With dead ends: 669 [2022-11-26 01:03:50,333 INFO L226 Difference]: Without dead ends: 398 [2022-11-26 01:03:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 216.5s TimeCoverageRelationStatistics Valid=553, Invalid=7457, Unknown=0, NotChecked=0, Total=8010 [2022-11-26 01:03:50,336 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 40 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:50,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1738 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 01:03:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-26 01:03:50,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 313. [2022-11-26 01:03:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 218 states have (on average 1.311926605504587) internal successors, (286), 221 states have internal predecessors, (286), 60 states have call successors, (60), 31 states have call predecessors, (60), 34 states have return successors, (71), 64 states have call predecessors, (71), 59 states have call successors, (71) [2022-11-26 01:03:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 417 transitions. [2022-11-26 01:03:50,365 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 417 transitions. Word has length 123 [2022-11-26 01:03:50,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:50,366 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 417 transitions. [2022-11-26 01:03:50,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (25), 7 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 01:03:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 417 transitions. [2022-11-26 01:03:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-26 01:03:50,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:50,368 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, 1, 1, 1, 1, 1] [2022-11-26 01:03:50,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:50,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:50,576 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:03:50,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 729259318, now seen corresponding path program 2 times [2022-11-26 01:03:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:50,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326029227] [2022-11-26 01:03:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-26 01:03:51,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:51,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326029227] [2022-11-26 01:03:51,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326029227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:51,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:51,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:03:51,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784851242] [2022-11-26 01:03:51,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:51,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:03:51,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:51,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:03:51,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:03:51,801 INFO L87 Difference]: Start difference. First operand 313 states and 417 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 01:03:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:54,408 INFO L93 Difference]: Finished difference Result 483 states and 649 transitions. [2022-11-26 01:03:54,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:03:54,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 135 [2022-11-26 01:03:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:54,413 INFO L225 Difference]: With dead ends: 483 [2022-11-26 01:03:54,413 INFO L226 Difference]: Without dead ends: 478 [2022-11-26 01:03:54,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:03:54,414 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 233 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:54,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 850 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 01:03:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-11-26 01:03:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 477. [2022-11-26 01:03:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 330 states have (on average 1.3151515151515152) internal successors, (434), 334 states have internal predecessors, (434), 95 states have call successors, (95), 46 states have call predecessors, (95), 51 states have return successors, (112), 102 states have call predecessors, (112), 94 states have call successors, (112) [2022-11-26 01:03:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 641 transitions. [2022-11-26 01:03:54,457 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 641 transitions. Word has length 135 [2022-11-26 01:03:54,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:54,458 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 641 transitions. [2022-11-26 01:03:54,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 01:03:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 641 transitions. [2022-11-26 01:03:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-26 01:03:54,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:54,461 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:54,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 01:03:54,462 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:03:54,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1057481970, now seen corresponding path program 1 times [2022-11-26 01:03:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:54,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807548401] [2022-11-26 01:03:54,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-26 01:03:55,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:55,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807548401] [2022-11-26 01:03:55,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807548401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:55,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:55,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:03:55,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858386846] [2022-11-26 01:03:55,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:55,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:03:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:55,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:03:55,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:03:55,705 INFO L87 Difference]: Start difference. First operand 477 states and 641 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 01:03:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:57,696 INFO L93 Difference]: Finished difference Result 740 states and 987 transitions. [2022-11-26 01:03:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:03:57,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 139 [2022-11-26 01:03:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:57,700 INFO L225 Difference]: With dead ends: 740 [2022-11-26 01:03:57,701 INFO L226 Difference]: Without dead ends: 735 [2022-11-26 01:03:57,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:03:57,702 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 123 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:57,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 479 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 01:03:57,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-11-26 01:03:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 723. [2022-11-26 01:03:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 502 states have (on average 1.3067729083665338) internal successors, (656), 510 states have internal predecessors, (656), 141 states have call successors, (141), 70 states have call predecessors, (141), 79 states have return successors, (170), 152 states have call predecessors, (170), 140 states have call successors, (170) [2022-11-26 01:03:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 967 transitions. [2022-11-26 01:03:57,773 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 967 transitions. Word has length 139 [2022-11-26 01:03:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:57,774 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 967 transitions. [2022-11-26 01:03:57,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 01:03:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 967 transitions. [2022-11-26 01:03:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-26 01:03:57,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:57,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 01:03:57,778 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:03:57,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1246952858, now seen corresponding path program 1 times [2022-11-26 01:03:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:57,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129273018] [2022-11-26 01:03:57,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-26 01:03:58,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:58,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129273018] [2022-11-26 01:03:58,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129273018] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:58,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329628399] [2022-11-26 01:03:58,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:58,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:58,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:58,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:58,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:03:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:58,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:03:58,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-26 01:03:59,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:59,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329628399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:59,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:03:59,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 01:03:59,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306328854] [2022-11-26 01:03:59,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:59,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:03:59,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:59,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:03:59,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:03:59,146 INFO L87 Difference]: Start difference. First operand 723 states and 967 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:04:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:01,866 INFO L93 Difference]: Finished difference Result 2160 states and 2926 transitions. [2022-11-26 01:04:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:04:01,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2022-11-26 01:04:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:01,877 INFO L225 Difference]: With dead ends: 2160 [2022-11-26 01:04:01,877 INFO L226 Difference]: Without dead ends: 2155 [2022-11-26 01:04:01,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:04:01,879 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 392 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:01,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 842 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 01:04:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2022-11-26 01:04:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1980. [2022-11-26 01:04:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1369 states have (on average 1.3119065010956903) internal successors, (1796), 1398 states have internal predecessors, (1796), 393 states have call successors, (393), 190 states have call predecessors, (393), 217 states have return successors, (476), 419 states have call predecessors, (476), 392 states have call successors, (476) [2022-11-26 01:04:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2665 transitions. [2022-11-26 01:04:02,102 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2665 transitions. Word has length 140 [2022-11-26 01:04:02,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:02,102 INFO L495 AbstractCegarLoop]: Abstraction has 1980 states and 2665 transitions. [2022-11-26 01:04:02,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:04:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2665 transitions. [2022-11-26 01:04:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-26 01:04:02,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:02,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:04:02,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:04:02,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:02,316 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:04:02,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1492058714, now seen corresponding path program 1 times [2022-11-26 01:04:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:02,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766460646] [2022-11-26 01:04:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-26 01:04:03,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:03,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766460646] [2022-11-26 01:04:03,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766460646] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:04:03,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698847747] [2022-11-26 01:04:03,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:03,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:03,390 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:03,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8d51214-bf1e-4788-9fb4-9e6e8bef390a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:04:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:03,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 135 conjunts are in the unsatisfiable core [2022-11-26 01:04:04,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:04,013 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 [2022-11-26 01:04:04,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-26 01:04:04,476 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 [2022-11-26 01:04:04,499 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_810 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_810))) is different from true [2022-11-26 01:04:04,578 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 [2022-11-26 01:04:04,581 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 [2022-11-26 01:04:04,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:04,630 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 [2022-11-26 01:04:04,647 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 01:04:04,647 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 [2022-11-26 01:04:04,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:04,840 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 [2022-11-26 01:04:05,016 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 01:04:05,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-26 01:04:05,512 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 01:04:05,512 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 7 [2022-11-26 01:04:05,897 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-26 01:04:05,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 01:04:06,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2022-11-26 01:04:06,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2022-11-26 01:04:06,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2022-11-26 01:04:07,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,119 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 [2022-11-26 01:04:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 1 not checked. [2022-11-26 01:04:07,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:04:07,173 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_816 (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_816) |c_ULTIMATE.start_usb_acecad_probe_~id#1.base|) (+ 16 |ULTIMATE.start_usb_acecad_probe_~id#1.offset|)) 0)) is different from false [2022-11-26 01:04:07,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698847747] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:04:07,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [898700104] [2022-11-26 01:04:07,192 INFO L159 IcfgInterpreter]: Started Sifa with 94 locations of interest [2022-11-26 01:04:07,192 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:04:07,193 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:04:07,193 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:04:07,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:04:07,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:04:07,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:04:07,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-26 01:04:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:07,993 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 [2022-11-26 01:04:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:08,432 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 [2022-11-26 01:04:12,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:12,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 01:04:12,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:12,896 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:12,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:12,901 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:14,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:14,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:14,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 01:04:14,196 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:14,206 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:14,209 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:26,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:04:26,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 01:04:27,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:27,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:27,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:27,224 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:33,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:33,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:04:34,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:34,027 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:04:39,998 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 [2022-11-26 01:04:40,028 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 [2022-11-26 01:04:40,072 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 [2022-11-26 01:04:48,188 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 [2022-11-26 01:04:48,339 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 511 treesize of output 492 [2022-11-26 01:04:48,409 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 511 treesize of output 492 [2022-11-26 01:04:49,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:04:49,549 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 625 treesize of output 607 [2022-11-26 01:04:49,647 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 625 treesize of output 607 [2022-11-26 01:04:50,018 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 [2022-11-26 01:04:59,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:04:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,078 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-26 01:05:00,251 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 [2022-11-26 01:05:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,465 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 [2022-11-26 01:05:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,518 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 [2022-11-26 01:05:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:00,885 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 [2022-11-26 01:05:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:05:01,058 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 [2022-11-26 01:05:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,114 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 [2022-11-26 01:05:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,645 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 [2022-11-26 01:05:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,814 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:05:01,814 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 [2022-11-26 01:05:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:01,957 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:05:01,957 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 [2022-11-26 01:05:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:02,083 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:05:02,084 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 [2022-11-26 01:05:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,865 INFO L321 Elim1Store]: treesize reduction 264, result has 39.7 percent of original size [2022-11-26 01:05:03,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 372 treesize of output 420 [2022-11-26 01:05:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:04,981 INFO L321 Elim1Store]: treesize reduction 178, result has 42.2 percent of original size [2022-11-26 01:05:04,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 434 treesize of output 444 [2022-11-26 01:05:05,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,387 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 489 DAG size of output: 365 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:05:11,389 INFO L321 Elim1Store]: treesize reduction 1826, result has 44.5 percent of original size [2022-11-26 01:05:11,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 13 select indices, 13 select index equivalence classes, 55 disjoint index pairs (out of 78 index pairs), introduced 15 new quantified variables, introduced 86 case distinctions, treesize of input 532 treesize of output 1679 [2022-11-26 01:05:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,380 INFO L321 Elim1Store]: treesize reduction 264, result has 39.7 percent of original size [2022-11-26 01:05:12,380 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 1716 treesize of output 1542 [2022-11-26 01:05:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:12,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:13,056 INFO L321 Elim1Store]: treesize reduction 178, result has 42.2 percent of original size [2022-11-26 01:05:13,057 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 1533 treesize of output 1321