./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/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_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/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_b2c88907-7fe5-4e64-a627-44e219620251/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 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd --- 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 01:04:41,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:04:41,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:04:41,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:04:41,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:04:41,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:04:41,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:04:41,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:04:41,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:04:41,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:04:41,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:04:41,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:04:41,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:04:41,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:04:41,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:04:41,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:04:41,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:04:41,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:04:41,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:04:41,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:04:41,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:04:41,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:04:41,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:04:41,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:04:41,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:04:41,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:04:41,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:04:41,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:04:41,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:04:41,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:04:41,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:04:41,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:04:41,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:04:41,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:04:41,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:04:41,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:04:41,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:04:41,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:04:41,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:04:41,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:04:41,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:04:41,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:04:42,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:04:42,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:04:42,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:04:42,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:04:42,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:04:42,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:04:42,052 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:04:42,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:04:42,053 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:04:42,053 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:04:42,055 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:04:42,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:04:42,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:04:42,056 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:04:42,056 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:04:42,056 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:04:42,057 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:04:42,057 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:04:42,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:04:42,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:04:42,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:04:42,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:04:42,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:04:42,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:04:42,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:04:42,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:04:42,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:04:42,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:04:42,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:04:42,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:42,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:04:42,063 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:04:42,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:04:42,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:04:42,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:04:42,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:04:42,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:04:42,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:04:42,065 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_b2c88907-7fe5-4e64-a627-44e219620251/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd [2022-11-26 01:04:42,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:04:42,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:04:42,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:04:42,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:04:42,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:04:42,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-11-26 01:04:46,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:04:46,960 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:04:46,960 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-11-26 01:04:47,012 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/data/ad1ce2378/5705c0381a05428a8fe5a57d64d65766/FLAG0a4aefed4 [2022-11-26 01:04:47,035 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/data/ad1ce2378/5705c0381a05428a8fe5a57d64d65766 [2022-11-26 01:04:47,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:04:47,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:04:47,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:47,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:04:47,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:04:47,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:47" (1/1) ... [2022-11-26 01:04:47,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25401fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:47, skipping insertion in model container [2022-11-26 01:04:47,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:47" (1/1) ... [2022-11-26 01:04:47,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:04:47,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:04:47,692 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:47,859 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:47,909 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:04:47,914 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 01:04:47,920 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:04:47,926 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 01:04:47,960 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:47,995 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:47,997 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:47,999 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:48,000 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 01:04:48,007 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:48,007 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:48,114 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 01:04:48,119 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 01:04:48,146 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,156 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,161 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,172 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,217 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 01:04:48,218 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:48,236 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 01:04:48,238 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:48,239 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:48,244 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:48,245 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 01:04:48,255 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-26 01:04:48,290 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 01:04:48,291 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 01:04:48,291 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,292 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,299 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-11-26 01:04:48,301 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 01:04:48,302 WARN L623 FunctionHandler]: Unknown extern function input_ff_destroy [2022-11-26 01:04:48,308 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 01:04:48,309 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:48,309 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:48,310 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:48,311 WARN L623 FunctionHandler]: Unknown extern function nonseekable_open [2022-11-26 01:04:48,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,332 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 01:04:48,334 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,334 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-11-26 01:04:48,339 WARN L623 FunctionHandler]: Unknown extern function input_mt_init_slots [2022-11-26 01:04:48,340 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,345 WARN L623 FunctionHandler]: Unknown extern function input_event_from_user [2022-11-26 01:04:48,346 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 01:04:48,363 WARN L623 FunctionHandler]: Unknown extern function input_event_to_user [2022-11-26 01:04:48,374 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 01:04:48,376 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:48,376 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:48,386 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,419 WARN L623 FunctionHandler]: Unknown extern function strndup_user [2022-11-26 01:04:48,420 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,480 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 01:04:48,484 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 01:04:48,502 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,503 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,503 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,504 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,504 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,505 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,506 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,507 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,507 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,508 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,508 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,509 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,511 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 01:04:48,512 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,513 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 01:04:48,514 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 01:04:48,515 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,516 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,517 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,518 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,519 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,520 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,521 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,522 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,524 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,528 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_b2c88907-7fe5-4e64-a627-44e219620251/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2022-11-26 01:04:48,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:48,670 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:04:48,751 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:48,754 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 01:04:48,756 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 01:04:48,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 01:04:48,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 01:04:48,758 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 01:04:48,759 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:48,761 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:48,762 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:48,762 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 01:04:48,763 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 01:04:48,764 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 01:04:48,765 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 01:04:48,773 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 01:04:48,774 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 01:04:48,775 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,777 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,778 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,780 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-11-26 01:04:48,784 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 01:04:48,785 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:48,789 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 01:04:48,790 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:48,791 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:48,792 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 01:04:48,792 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 01:04:48,794 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-26 01:04:48,805 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 01:04:48,807 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 01:04:48,807 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,808 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,810 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-11-26 01:04:48,838 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 01:04:48,839 WARN L623 FunctionHandler]: Unknown extern function input_ff_destroy [2022-11-26 01:04:48,843 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 01:04:48,844 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 01:04:48,845 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:48,846 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 01:04:48,846 WARN L623 FunctionHandler]: Unknown extern function nonseekable_open [2022-11-26 01:04:48,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 01:04:48,862 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 01:04:48,864 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,864 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-11-26 01:04:48,872 WARN L623 FunctionHandler]: Unknown extern function input_mt_init_slots [2022-11-26 01:04:48,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,875 WARN L623 FunctionHandler]: Unknown extern function input_event_from_user [2022-11-26 01:04:48,875 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 01:04:48,879 WARN L623 FunctionHandler]: Unknown extern function input_event_to_user [2022-11-26 01:04:48,884 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 01:04:48,886 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 01:04:48,887 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 01:04:48,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,924 WARN L623 FunctionHandler]: Unknown extern function strndup_user [2022-11-26 01:04:48,928 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 01:04:48,951 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 01:04:48,952 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 01:04:48,954 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,955 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,959 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,961 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,961 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,962 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,966 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 01:04:48,967 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,969 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,969 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,970 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,979 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 01:04:48,980 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 01:04:48,980 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,981 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 01:04:48,981 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 01:04:48,982 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,983 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,984 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,985 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-11-26 01:04:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 01:04:48,989 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_b2c88907-7fe5-4e64-a627-44e219620251/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2022-11-26 01:04:49,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:49,149 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:04:49,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49 WrapperNode [2022-11-26 01:04:49,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:49,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:49,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:04:49,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:04:49,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,334 INFO L138 Inliner]: procedures = 191, calls = 829, calls flagged for inlining = 88, calls inlined = 74, statements flattened = 2144 [2022-11-26 01:04:49,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:49,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:04:49,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:04:49,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:04:49,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:04:49,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:04:49,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:04:49,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:04:49,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (1/1) ... [2022-11-26 01:04:49,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:49,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:49,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:04:49,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:04:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 01:04:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2022-11-26 01:04:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2022-11-26 01:04:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 01:04:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 01:04:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:04:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2022-11-26 01:04:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2022-11-26 01:04:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 01:04:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 01:04:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-26 01:04:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-26 01:04:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 01:04:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 01:04:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2022-11-26 01:04:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2022-11-26 01:04:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 01:04:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 01:04:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 01:04:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 01:04:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 01:04:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 01:04:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2022-11-26 01:04:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2022-11-26 01:04:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:04:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 01:04:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 01:04:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 01:04:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 01:04:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 01:04:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 01:04:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2022-11-26 01:04:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2022-11-26 01:04:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-26 01:04:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-26 01:04:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 01:04:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 01:04:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2022-11-26 01:04:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2022-11-26 01:04:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2022-11-26 01:04:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2022-11-26 01:04:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:04:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2022-11-26 01:04:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2022-11-26 01:04:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 01:04:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 01:04:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:04:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2022-11-26 01:04:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2022-11-26 01:04:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:04:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:04:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 01:04:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2022-11-26 01:04:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2022-11-26 01:04:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2022-11-26 01:04:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2022-11-26 01:04:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:04:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-11-26 01:04:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-11-26 01:04:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 01:04:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 01:04:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 01:04:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 01:04:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-26 01:04:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-26 01:04:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-26 01:04:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-26 01:04:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-11-26 01:04:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-11-26 01:04:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:04:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:04:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2022-11-26 01:04:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2022-11-26 01:04:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 01:04:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 01:04:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-26 01:04:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-26 01:04:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 01:04:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 01:04:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 01:04:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 01:04:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-26 01:04:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-26 01:04:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 01:04:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 01:04:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 01:04:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 01:04:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:04:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-26 01:04:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-26 01:04:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-26 01:04:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-26 01:04:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 01:04:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 01:04:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 01:04:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-26 01:04:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-26 01:04:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:04:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:04:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 01:04:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 01:04:50,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:04:50,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:05:00,237 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:05:00,731 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:05:00,732 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:05:00,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:05:00 BoogieIcfgContainer [2022-11-26 01:05:00,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:05:00,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:05:00,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:05:00,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:05:00,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:04:47" (1/3) ... [2022-11-26 01:05:00,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d84d65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:05:00, skipping insertion in model container [2022-11-26 01:05:00,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:49" (2/3) ... [2022-11-26 01:05:00,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d84d65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:05:00, skipping insertion in model container [2022-11-26 01:05:00,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:05:00" (3/3) ... [2022-11-26 01:05:00,754 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-11-26 01:05:00,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:05:00,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:05:00,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:05:00,899 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;@30477a57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:05:00,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:05:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 519 states, 338 states have (on average 1.3905325443786982) internal successors, (470), 350 states have internal predecessors, (470), 137 states have call successors, (137), 42 states have call predecessors, (137), 42 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2022-11-26 01:05:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 01:05:00,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:00,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:00,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:00,938 INFO L85 PathProgramCache]: Analyzing trace with hash -284689213, now seen corresponding path program 1 times [2022-11-26 01:05:00,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:00,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644435087] [2022-11-26 01:05:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:01,595 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 01:05:01,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:01,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644435087] [2022-11-26 01:05:01,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644435087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:01,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:01,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:05:01,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285454364] [2022-11-26 01:05:01,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:01,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:05:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:05:01,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:05:01,672 INFO L87 Difference]: Start difference. First operand has 519 states, 338 states have (on average 1.3905325443786982) internal successors, (470), 350 states have internal predecessors, (470), 137 states have call successors, (137), 42 states have call predecessors, (137), 42 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:02,355 INFO L93 Difference]: Finished difference Result 1032 states and 1488 transitions. [2022-11-26 01:05:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:05:02,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-26 01:05:02,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:02,377 INFO L225 Difference]: With dead ends: 1032 [2022-11-26 01:05:02,378 INFO L226 Difference]: Without dead ends: 515 [2022-11-26 01:05:02,389 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 01:05:02,393 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 731 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:02,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 648 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:05:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-11-26 01:05:02,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2022-11-26 01:05:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 337 states have (on average 1.3827893175074184) internal successors, (466), 346 states have internal predecessors, (466), 136 states have call successors, (136), 42 states have call predecessors, (136), 41 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-26 01:05:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 734 transitions. [2022-11-26 01:05:02,532 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 734 transitions. Word has length 10 [2022-11-26 01:05:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:02,534 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 734 transitions. [2022-11-26 01:05:02,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 734 transitions. [2022-11-26 01:05:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 01:05:02,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:02,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:02,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:05:02,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash -235746047, now seen corresponding path program 1 times [2022-11-26 01:05:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:02,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096372463] [2022-11-26 01:05:02,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:02,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:02,726 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 01:05:02,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:02,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096372463] [2022-11-26 01:05:02,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096372463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:02,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:02,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:05:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449704170] [2022-11-26 01:05:02,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:02,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:05:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:02,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:05:02,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:05:02,732 INFO L87 Difference]: Start difference. First operand 515 states and 734 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:03,208 INFO L93 Difference]: Finished difference Result 517 states and 735 transitions. [2022-11-26 01:05:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:05:03,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-26 01:05:03,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:03,221 INFO L225 Difference]: With dead ends: 517 [2022-11-26 01:05:03,222 INFO L226 Difference]: Without dead ends: 514 [2022-11-26 01:05:03,223 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 01:05:03,225 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 726 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:03,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 645 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 01:05:03,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-11-26 01:05:03,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2022-11-26 01:05:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 337 states have (on average 1.3798219584569733) internal successors, (465), 345 states have internal predecessors, (465), 135 states have call successors, (135), 42 states have call predecessors, (135), 41 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-26 01:05:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 732 transitions. [2022-11-26 01:05:03,326 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 732 transitions. Word has length 11 [2022-11-26 01:05:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:03,327 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 732 transitions. [2022-11-26 01:05:03,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 732 transitions. [2022-11-26 01:05:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:05:03,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:03,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:03,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:05:03,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:03,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:03,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1281496966, now seen corresponding path program 1 times [2022-11-26 01:05:03,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:03,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693654919] [2022-11-26 01:05:03,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:03,474 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 01:05:03,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:03,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693654919] [2022-11-26 01:05:03,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693654919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:03,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:03,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:05:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924138645] [2022-11-26 01:05:03,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:03,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:05:03,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:03,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:05:03,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:05:03,480 INFO L87 Difference]: Start difference. First operand 514 states and 732 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:04,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:04,246 INFO L93 Difference]: Finished difference Result 655 states and 919 transitions. [2022-11-26 01:05:04,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:05:04,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 01:05:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:04,252 INFO L225 Difference]: With dead ends: 655 [2022-11-26 01:05:04,252 INFO L226 Difference]: Without dead ends: 645 [2022-11-26 01:05:04,253 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 01:05:04,255 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 229 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:04,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1285 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:05:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2022-11-26 01:05:04,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2022-11-26 01:05:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 416 states have (on average 1.3557692307692308) internal successors, (564), 427 states have internal predecessors, (564), 169 states have call successors, (169), 61 states have call predecessors, (169), 59 states have return successors, (170), 161 states have call predecessors, (170), 166 states have call successors, (170) [2022-11-26 01:05:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 903 transitions. [2022-11-26 01:05:04,321 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 903 transitions. Word has length 12 [2022-11-26 01:05:04,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:04,322 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 903 transitions. [2022-11-26 01:05:04,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:05:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 903 transitions. [2022-11-26 01:05:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 01:05:04,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:04,326 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 01:05:04,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:05:04,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:04,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:04,327 INFO L85 PathProgramCache]: Analyzing trace with hash -588509230, now seen corresponding path program 1 times [2022-11-26 01:05:04,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:04,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243490974] [2022-11-26 01:05:04,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:04,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:05:04,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:04,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243490974] [2022-11-26 01:05:04,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243490974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:04,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:04,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:05:04,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659781661] [2022-11-26 01:05:04,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:04,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:05:04,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:04,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:05:04,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:05:04,433 INFO L87 Difference]: Start difference. First operand 645 states and 903 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:05:05,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:05,202 INFO L93 Difference]: Finished difference Result 1339 states and 1892 transitions. [2022-11-26 01:05:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:05:05,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-11-26 01:05:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:05,209 INFO L225 Difference]: With dead ends: 1339 [2022-11-26 01:05:05,209 INFO L226 Difference]: Without dead ends: 698 [2022-11-26 01:05:05,262 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 01:05:05,265 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 34 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:05,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1266 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:05:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2022-11-26 01:05:05,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 691. [2022-11-26 01:05:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 452 states have (on average 1.3606194690265487) internal successors, (615), 463 states have internal predecessors, (615), 179 states have call successors, (179), 61 states have call predecessors, (179), 59 states have return successors, (184), 171 states have call predecessors, (184), 176 states have call successors, (184) [2022-11-26 01:05:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 978 transitions. [2022-11-26 01:05:05,337 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 978 transitions. Word has length 35 [2022-11-26 01:05:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:05,337 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 978 transitions. [2022-11-26 01:05:05,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:05:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 978 transitions. [2022-11-26 01:05:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-26 01:05:05,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:05,342 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:05,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:05:05,342 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:05,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:05,343 INFO L85 PathProgramCache]: Analyzing trace with hash 723843051, now seen corresponding path program 1 times [2022-11-26 01:05:05,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:05,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963694463] [2022-11-26 01:05:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:05,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:05:05,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:05,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963694463] [2022-11-26 01:05:05,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963694463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:05,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:05,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:05:05,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317625820] [2022-11-26 01:05:05,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:05,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:05:05,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:05,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:05:05,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:05:05,933 INFO L87 Difference]: Start difference. First operand 691 states and 978 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-26 01:05:07,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:07,201 INFO L93 Difference]: Finished difference Result 750 states and 1038 transitions. [2022-11-26 01:05:07,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:05:07,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-11-26 01:05:07,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:07,208 INFO L225 Difference]: With dead ends: 750 [2022-11-26 01:05:07,208 INFO L226 Difference]: Without dead ends: 747 [2022-11-26 01:05:07,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:05:07,211 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 366 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:07,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1995 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:05:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-26 01:05:07,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2022-11-26 01:05:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 484 states have (on average 1.3471074380165289) internal successors, (652), 495 states have internal predecessors, (652), 189 states have call successors, (189), 76 states have call predecessors, (189), 73 states have return successors, (194), 181 states have call predecessors, (194), 186 states have call successors, (194) [2022-11-26 01:05:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1035 transitions. [2022-11-26 01:05:07,289 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1035 transitions. Word has length 43 [2022-11-26 01:05:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:07,291 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1035 transitions. [2022-11-26 01:05:07,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-26 01:05:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1035 transitions. [2022-11-26 01:05:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 01:05:07,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:07,301 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:07,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:05:07,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:07,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:07,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1560851364, now seen corresponding path program 1 times [2022-11-26 01:05:07,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:07,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127530834] [2022-11-26 01:05:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 01:05:07,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:07,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127530834] [2022-11-26 01:05:07,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127530834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:07,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:07,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 01:05:07,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160806994] [2022-11-26 01:05:07,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:07,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 01:05:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:07,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 01:05:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:05:07,892 INFO L87 Difference]: Start difference. First operand 747 states and 1035 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-26 01:05:11,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:11,407 INFO L93 Difference]: Finished difference Result 907 states and 1258 transitions. [2022-11-26 01:05:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:05:11,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2022-11-26 01:05:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:11,424 INFO L225 Difference]: With dead ends: 907 [2022-11-26 01:05:11,424 INFO L226 Difference]: Without dead ends: 897 [2022-11-26 01:05:11,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:05:11,428 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 569 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:11,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1718 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 01:05:11,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2022-11-26 01:05:11,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 872. [2022-11-26 01:05:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 566 states have (on average 1.3462897526501767) internal successors, (762), 578 states have internal predecessors, (762), 218 states have call successors, (218), 90 states have call predecessors, (218), 87 states have return successors, (223), 210 states have call predecessors, (223), 215 states have call successors, (223) [2022-11-26 01:05:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1203 transitions. [2022-11-26 01:05:11,513 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1203 transitions. Word has length 46 [2022-11-26 01:05:11,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:11,514 INFO L495 AbstractCegarLoop]: Abstraction has 872 states and 1203 transitions. [2022-11-26 01:05:11,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-26 01:05:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1203 transitions. [2022-11-26 01:05:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 01:05:11,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:11,518 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-26 01:05:11,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:05:11,518 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:11,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1188169365, now seen corresponding path program 1 times [2022-11-26 01:05:11,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:11,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257009561] [2022-11-26 01:05:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 01:05:11,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:11,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257009561] [2022-11-26 01:05:11,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257009561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:11,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:11,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:05:11,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274431135] [2022-11-26 01:05:11,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:11,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:05:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:05:11,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:05:11,707 INFO L87 Difference]: Start difference. First operand 872 states and 1203 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-26 01:05:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:12,629 INFO L93 Difference]: Finished difference Result 1756 states and 2422 transitions. [2022-11-26 01:05:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:05:12,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 57 [2022-11-26 01:05:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:12,636 INFO L225 Difference]: With dead ends: 1756 [2022-11-26 01:05:12,637 INFO L226 Difference]: Without dead ends: 882 [2022-11-26 01:05:12,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:05:12,642 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 13 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:12,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1937 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 01:05:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2022-11-26 01:05:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 875. [2022-11-26 01:05:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 568 states have (on average 1.341549295774648) internal successors, (762), 580 states have internal predecessors, (762), 219 states have call successors, (219), 90 states have call predecessors, (219), 87 states have return successors, (224), 211 states have call predecessors, (224), 216 states have call successors, (224) [2022-11-26 01:05:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1205 transitions. [2022-11-26 01:05:12,720 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1205 transitions. Word has length 57 [2022-11-26 01:05:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:12,720 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1205 transitions. [2022-11-26 01:05:12,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-26 01:05:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1205 transitions. [2022-11-26 01:05:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 01:05:12,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:12,724 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-26 01:05:12,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:05:12,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:12,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1491442427, now seen corresponding path program 1 times [2022-11-26 01:05:12,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:12,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565116108] [2022-11-26 01:05:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:12,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:05:13,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:13,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565116108] [2022-11-26 01:05:13,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565116108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:13,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:13,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:05:13,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328086037] [2022-11-26 01:05:13,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:13,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:05:13,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:13,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:05:13,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:05:13,173 INFO L87 Difference]: Start difference. First operand 875 states and 1205 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 01:05:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:14,391 INFO L93 Difference]: Finished difference Result 1051 states and 1485 transitions. [2022-11-26 01:05:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:05:14,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2022-11-26 01:05:14,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:14,401 INFO L225 Difference]: With dead ends: 1051 [2022-11-26 01:05:14,401 INFO L226 Difference]: Without dead ends: 1048 [2022-11-26 01:05:14,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:05:14,405 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 115 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:14,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 2672 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 01:05:14,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2022-11-26 01:05:14,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 891. [2022-11-26 01:05:14,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 578 states have (on average 1.3391003460207613) internal successors, (774), 590 states have internal predecessors, (774), 222 states have call successors, (222), 93 states have call predecessors, (222), 90 states have return successors, (227), 214 states have call predecessors, (227), 219 states have call successors, (227) [2022-11-26 01:05:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1223 transitions. [2022-11-26 01:05:14,568 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1223 transitions. Word has length 64 [2022-11-26 01:05:14,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:14,571 INFO L495 AbstractCegarLoop]: Abstraction has 891 states and 1223 transitions. [2022-11-26 01:05:14,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 01:05:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1223 transitions. [2022-11-26 01:05:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 01:05:14,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:14,576 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-26 01:05:14,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 01:05:14,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:14,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash -790777785, now seen corresponding path program 1 times [2022-11-26 01:05:14,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:14,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825906982] [2022-11-26 01:05:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:14,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 01:05:14,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:14,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825906982] [2022-11-26 01:05:14,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825906982] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:05:14,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221724016] [2022-11-26 01:05:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:14,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:05:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:05:14,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:05:14,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c88907-7fe5-4e64-a627-44e219620251/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:05:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:15,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:05:15,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:05:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 01:05:15,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:05:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 01:05:15,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221724016] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:05:15,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [443789336] [2022-11-26 01:05:15,954 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2022-11-26 01:05:15,967 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:05:15,972 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:05:15,980 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:05:15,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:05:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:20,083 INFO L217 Elim1Store]: Index analysis took 213 ms [2022-11-26 01:05:23,999 INFO L321 Elim1Store]: treesize reduction 1620, result has 18.7 percent of original size [2022-11-26 01:05:24,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 179 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 97 case distinctions, treesize of input 155 treesize of output 481 [2022-11-26 01:05:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:24,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:24,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:24,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:24,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 235 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 165 [2022-11-26 01:05:25,547 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 01:05:25,560 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 01:05:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 235 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 67 [2022-11-26 01:05:26,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:26,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 253 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 70 [2022-11-26 01:05:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:27,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:27,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 235 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 67 [2022-11-26 01:05:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:28,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:28,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:28,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 253 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 70 [2022-11-26 01:05:33,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-26 01:05:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:33,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,527 INFO L321 Elim1Store]: treesize reduction 948, result has 30.4 percent of original size [2022-11-26 01:05:35,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 34 select indices, 34 select index equivalence classes, 407 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 525 [2022-11-26 01:05:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:37,590 INFO L321 Elim1Store]: treesize reduction 796, result has 41.6 percent of original size [2022-11-26 01:05:37,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 32 select indices, 32 select index equivalence classes, 45 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 33 case distinctions, treesize of input 266 treesize of output 662 [2022-11-26 01:05:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:05:40,620 INFO L321 Elim1Store]: treesize reduction 698, result has 48.8 percent of original size [2022-11-26 01:05:40,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 34 select indices, 34 select index equivalence classes, 407 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 775 [2022-11-26 01:05:41,259 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 76