./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/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_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 09:07:11,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:07:11,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:07:11,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:07:11,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:07:11,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:07:11,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:07:11,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:07:11,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:07:11,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:07:11,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:07:11,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:07:11,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:07:11,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:07:11,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:07:11,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:07:11,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:07:11,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:07:11,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:07:11,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:07:11,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:07:11,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:07:11,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:07:11,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:07:11,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:07:11,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:07:11,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:07:12,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:07:12,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:07:12,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:07:12,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:07:12,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:07:12,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:07:12,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:07:12,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:07:12,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:07:12,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:07:12,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:07:12,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:07:12,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:07:12,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:07:12,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:07:12,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:07:12,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:07:12,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:07:12,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:07:12,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:07:12,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:07:12,037 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:07:12,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:07:12,061 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:07:12,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:07:12,061 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:07:12,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:07:12,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:07:12,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:07:12,062 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:07:12,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:07:12,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:07:12,062 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:07:12,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:07:12,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:07:12,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:07:12,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:07:12,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:07:12,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:07:12,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:07:12,064 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:07:12,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:07:12,065 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_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd [2022-12-14 09:07:12,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:07:12,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:07:12,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:07:12,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:07:12,270 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:07:12,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-12-14 09:07:14,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:07:15,159 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:07:15,159 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-12-14 09:07:15,180 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/data/69f041a99/cb7f026f2ebd4dd48c4781e6e97f2178/FLAGdda09f630 [2022-12-14 09:07:15,417 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/data/69f041a99/cb7f026f2ebd4dd48c4781e6e97f2178 [2022-12-14 09:07:15,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:07:15,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:07:15,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:07:15,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:07:15,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:07:15,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:15" (1/1) ... [2022-12-14 09:07:15,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6355a15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:15, skipping insertion in model container [2022-12-14 09:07:15,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:15" (1/1) ... [2022-12-14 09:07:15,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:07:15,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:07:15,815 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:07:15,917 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:07:15,943 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:07:15,946 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:07:15,949 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:07:15,952 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:07:15,969 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:15,986 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:07:15,987 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:07:15,988 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:07:15,989 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 09:07:15,992 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:07:15,992 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:07:16,050 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:07:16,053 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:07:16,070 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,076 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,079 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,085 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,110 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 09:07:16,111 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:07:16,120 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 09:07:16,121 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:07:16,121 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:07:16,124 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:07:16,125 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 09:07:16,131 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:07:16,151 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 09:07:16,151 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 09:07:16,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,156 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-12-14 09:07:16,170 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 09:07:16,171 WARN L623 FunctionHandler]: Unknown extern function input_ff_destroy [2022-12-14 09:07:16,174 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:07:16,175 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:07:16,175 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:16,175 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:16,176 WARN L623 FunctionHandler]: Unknown extern function nonseekable_open [2022-12-14 09:07:16,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,186 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:07:16,187 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,187 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-12-14 09:07:16,190 WARN L623 FunctionHandler]: Unknown extern function input_mt_init_slots [2022-12-14 09:07:16,190 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,193 WARN L623 FunctionHandler]: Unknown extern function input_event_from_user [2022-12-14 09:07:16,193 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:07:16,202 WARN L623 FunctionHandler]: Unknown extern function input_event_to_user [2022-12-14 09:07:16,207 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 09:07:16,208 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:07:16,208 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:07:16,213 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,230 WARN L623 FunctionHandler]: Unknown extern function strndup_user [2022-12-14 09:07:16,231 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,248 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 09:07:16,250 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 09:07:16,258 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,259 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,259 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,259 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,259 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,260 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,260 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,260 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,261 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,261 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,261 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,262 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,262 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:07:16,263 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,263 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:07:16,263 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:07:16,264 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,264 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,265 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,265 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,265 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,266 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,266 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,266 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,267 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,269 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_eae42a62-40aa-415e-891c-bc84954f074f/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2022-12-14 09:07:16,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:07:16,318 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:07:16,368 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:07:16,370 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:07:16,371 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:07:16,372 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:07:16,372 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:07:16,372 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:07:16,373 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:16,374 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:07:16,374 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:07:16,375 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:07:16,375 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 09:07:16,376 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:07:16,376 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:07:16,380 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:07:16,381 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:07:16,382 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,382 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,383 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,384 WARN L623 FunctionHandler]: Unknown extern function input_alloc_absinfo [2022-12-14 09:07:16,386 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 09:07:16,387 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:07:16,389 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 09:07:16,389 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:07:16,389 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:07:16,390 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:07:16,390 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 09:07:16,391 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:07:16,395 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 09:07:16,395 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 09:07:16,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,396 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-12-14 09:07:16,406 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 09:07:16,406 WARN L623 FunctionHandler]: Unknown extern function input_ff_destroy [2022-12-14 09:07:16,407 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:07:16,407 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:07:16,408 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:16,408 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:07:16,408 WARN L623 FunctionHandler]: Unknown extern function nonseekable_open [2022-12-14 09:07:16,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:07:16,414 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:07:16,415 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,415 WARN L623 FunctionHandler]: Unknown extern function kstrndup [2022-12-14 09:07:16,430 WARN L623 FunctionHandler]: Unknown extern function input_mt_init_slots [2022-12-14 09:07:16,430 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,431 WARN L623 FunctionHandler]: Unknown extern function input_event_from_user [2022-12-14 09:07:16,431 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:07:16,434 WARN L623 FunctionHandler]: Unknown extern function input_event_to_user [2022-12-14 09:07:16,437 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 09:07:16,437 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:07:16,438 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:07:16,439 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,450 WARN L623 FunctionHandler]: Unknown extern function strndup_user [2022-12-14 09:07:16,450 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:07:16,461 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 09:07:16,462 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 09:07:16,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,463 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,463 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,464 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,464 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,465 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:07:16,465 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,465 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,465 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 09:07:16,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:07:16,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,467 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:07:16,467 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:07:16,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,470 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:07:16,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:07:16,471 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_eae42a62-40aa-415e-891c-bc84954f074f/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2022-12-14 09:07:16,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:07:16,508 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:07:16,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16 WrapperNode [2022-12-14 09:07:16,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:07:16,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:07:16,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:07:16,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:07:16,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,612 INFO L138 Inliner]: procedures = 191, calls = 829, calls flagged for inlining = 88, calls inlined = 74, statements flattened = 2144 [2022-12-14 09:07:16,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:07:16,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:07:16,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:07:16,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:07:16,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:07:16,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:07:16,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:07:16,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:07:16,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (1/1) ... [2022-12-14 09:07:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:07:16,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:07:16,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:07:16,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2022-12-14 09:07:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:07:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:07:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 09:07:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:07:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2022-12-14 09:07:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2022-12-14 09:07:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 09:07:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2022-12-14 09:07:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2022-12-14 09:07:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2022-12-14 09:07:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:07:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-12-14 09:07:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:07:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2022-12-14 09:07:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 09:07:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 09:07:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 09:07:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:07:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:07:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:07:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:07:17,058 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:07:17,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:07:24,029 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:07:24,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:07:24,280 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:07:24,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:24 BoogieIcfgContainer [2022-12-14 09:07:24,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:07:24,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:07:24,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:07:24,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:07:24,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:07:15" (1/3) ... [2022-12-14 09:07:24,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fc3e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:07:24, skipping insertion in model container [2022-12-14 09:07:24,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:16" (2/3) ... [2022-12-14 09:07:24,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fc3e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:07:24, skipping insertion in model container [2022-12-14 09:07:24,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:24" (3/3) ... [2022-12-14 09:07:24,288 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2022-12-14 09:07:24,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:07:24,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:07:24,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:07:24,351 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;@ceaf1ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:07:24,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:07:24,355 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) [2022-12-14 09:07:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 09:07:24,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:24,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:24,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:24,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2061091862, now seen corresponding path program 1 times [2022-12-14 09:07:24,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:24,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591029079] [2022-12-14 09:07:24,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:24,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:24,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:24,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591029079] [2022-12-14 09:07:24,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591029079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:24,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:24,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:24,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206067144] [2022-12-14 09:07:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:24,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:24,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:24,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:24,659 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) [2022-12-14 09:07:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:25,048 INFO L93 Difference]: Finished difference Result 1032 states and 1488 transitions. [2022-12-14 09:07:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:25,050 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 [2022-12-14 09:07:25,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:25,063 INFO L225 Difference]: With dead ends: 1032 [2022-12-14 09:07:25,064 INFO L226 Difference]: Without dead ends: 515 [2022-12-14 09:07:25,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:25,073 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 731 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:25,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 648 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 09:07:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-12-14 09:07:25,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2022-12-14 09:07:25,170 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) [2022-12-14 09:07:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 734 transitions. [2022-12-14 09:07:25,176 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 734 transitions. Word has length 10 [2022-12-14 09:07:25,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:25,177 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 734 transitions. [2022-12-14 09:07:25,177 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) [2022-12-14 09:07:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 734 transitions. [2022-12-14 09:07:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:07:25,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:25,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:25,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:07:25,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:25,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash 530346682, now seen corresponding path program 1 times [2022-12-14 09:07:25,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:25,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435303584] [2022-12-14 09:07:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:25,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:25,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435303584] [2022-12-14 09:07:25,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435303584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:25,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:25,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:25,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095881801] [2022-12-14 09:07:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:25,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:25,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:25,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:25,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:25,232 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) [2022-12-14 09:07:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:25,502 INFO L93 Difference]: Finished difference Result 517 states and 735 transitions. [2022-12-14 09:07:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:25,502 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 [2022-12-14 09:07:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:25,506 INFO L225 Difference]: With dead ends: 517 [2022-12-14 09:07:25,506 INFO L226 Difference]: Without dead ends: 514 [2022-12-14 09:07:25,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:25,508 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 726 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:25,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 645 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:07:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-12-14 09:07:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2022-12-14 09:07:25,539 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) [2022-12-14 09:07:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 732 transitions. [2022-12-14 09:07:25,543 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 732 transitions. Word has length 11 [2022-12-14 09:07:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:25,543 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 732 transitions. [2022-12-14 09:07:25,543 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) [2022-12-14 09:07:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 732 transitions. [2022-12-14 09:07:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:07:25,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:25,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:25,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:07:25,544 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:25,545 INFO L85 PathProgramCache]: Analyzing trace with hash -739432211, now seen corresponding path program 1 times [2022-12-14 09:07:25,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:25,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008462827] [2022-12-14 09:07:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:25,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:25,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:25,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008462827] [2022-12-14 09:07:25,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008462827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:25,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:25,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:25,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589567953] [2022-12-14 09:07:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:25,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:25,602 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) [2022-12-14 09:07:26,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:26,132 INFO L93 Difference]: Finished difference Result 655 states and 919 transitions. [2022-12-14 09:07:26,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:26,133 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 [2022-12-14 09:07:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:26,136 INFO L225 Difference]: With dead ends: 655 [2022-12-14 09:07:26,137 INFO L226 Difference]: Without dead ends: 645 [2022-12-14 09:07:26,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:26,138 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 229 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:26,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1285 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:07:26,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2022-12-14 09:07:26,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2022-12-14 09:07:26,172 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) [2022-12-14 09:07:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 903 transitions. [2022-12-14 09:07:26,175 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 903 transitions. Word has length 12 [2022-12-14 09:07:26,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:26,176 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 903 transitions. [2022-12-14 09:07:26,176 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) [2022-12-14 09:07:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 903 transitions. [2022-12-14 09:07:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 09:07:26,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:26,179 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] [2022-12-14 09:07:26,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:07:26,179 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:26,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2145207947, now seen corresponding path program 1 times [2022-12-14 09:07:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:26,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702402423] [2022-12-14 09:07:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:07:26,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:26,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702402423] [2022-12-14 09:07:26,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702402423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:26,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:26,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913949033] [2022-12-14 09:07:26,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:26,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:26,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:26,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:26,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:26,279 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) [2022-12-14 09:07:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:26,723 INFO L93 Difference]: Finished difference Result 1339 states and 1892 transitions. [2022-12-14 09:07:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:26,724 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 [2022-12-14 09:07:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:26,726 INFO L225 Difference]: With dead ends: 1339 [2022-12-14 09:07:26,726 INFO L226 Difference]: Without dead ends: 698 [2022-12-14 09:07:26,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:26,729 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 34 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:26,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1266 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:07:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2022-12-14 09:07:26,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 691. [2022-12-14 09:07:26,755 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) [2022-12-14 09:07:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 978 transitions. [2022-12-14 09:07:26,758 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 978 transitions. Word has length 35 [2022-12-14 09:07:26,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:26,758 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 978 transitions. [2022-12-14 09:07:26,758 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) [2022-12-14 09:07:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 978 transitions. [2022-12-14 09:07:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 09:07:26,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:26,760 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] [2022-12-14 09:07:26,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:07:26,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:26,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:26,761 INFO L85 PathProgramCache]: Analyzing trace with hash -291185631, now seen corresponding path program 1 times [2022-12-14 09:07:26,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:26,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226187487] [2022-12-14 09:07:26,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:07:26,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:26,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226187487] [2022-12-14 09:07:26,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226187487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:26,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:26,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:07:26,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161390946] [2022-12-14 09:07:26,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:26,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:07:26,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:26,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:07:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:07:26,965 INFO L87 Difference]: Start difference. First operand 691 states and 978 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-12-14 09:07:27,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:27,805 INFO L93 Difference]: Finished difference Result 750 states and 1038 transitions. [2022-12-14 09:07:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:07:27,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 42 [2022-12-14 09:07:27,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:27,811 INFO L225 Difference]: With dead ends: 750 [2022-12-14 09:07:27,811 INFO L226 Difference]: Without dead ends: 747 [2022-12-14 09:07:27,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:07:27,812 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 366 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:27,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1995 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:07:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-12-14 09:07:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2022-12-14 09:07:27,857 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) [2022-12-14 09:07:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1035 transitions. [2022-12-14 09:07:27,862 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1035 transitions. Word has length 42 [2022-12-14 09:07:27,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:27,862 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1035 transitions. [2022-12-14 09:07:27,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-12-14 09:07:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1035 transitions. [2022-12-14 09:07:27,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 09:07:27,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:27,865 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] [2022-12-14 09:07:27,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:07:27,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:27,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:27,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2133439721, now seen corresponding path program 1 times [2022-12-14 09:07:27,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:27,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847412675] [2022-12-14 09:07:27,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:28,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:28,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847412675] [2022-12-14 09:07:28,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847412675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:28,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:28,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 09:07:28,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627670738] [2022-12-14 09:07:28,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:28,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:07:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:28,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:07:28,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:07:28,164 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) [2022-12-14 09:07:30,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:30,100 INFO L93 Difference]: Finished difference Result 907 states and 1258 transitions. [2022-12-14 09:07:30,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:07:30,100 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 [2022-12-14 09:07:30,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:30,104 INFO L225 Difference]: With dead ends: 907 [2022-12-14 09:07:30,104 INFO L226 Difference]: Without dead ends: 897 [2022-12-14 09:07:30,105 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 [2022-12-14 09:07:30,105 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 569 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:30,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1718 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 09:07:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2022-12-14 09:07:30,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 872. [2022-12-14 09:07:30,156 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) [2022-12-14 09:07:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1203 transitions. [2022-12-14 09:07:30,161 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1203 transitions. Word has length 46 [2022-12-14 09:07:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:30,162 INFO L495 AbstractCegarLoop]: Abstraction has 872 states and 1203 transitions. [2022-12-14 09:07:30,162 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) [2022-12-14 09:07:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1203 transitions. [2022-12-14 09:07:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 09:07:30,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:30,165 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] [2022-12-14 09:07:30,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:07:30,165 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:30,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1044486099, now seen corresponding path program 1 times [2022-12-14 09:07:30,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:30,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878365240] [2022-12-14 09:07:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:07:30,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:30,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878365240] [2022-12-14 09:07:30,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878365240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:30,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:30,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:07:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494950861] [2022-12-14 09:07:30,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:30,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:07:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:07:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:07:30,257 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) [2022-12-14 09:07:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:30,861 INFO L93 Difference]: Finished difference Result 1756 states and 2422 transitions. [2022-12-14 09:07:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:07:30,862 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 [2022-12-14 09:07:30,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:30,866 INFO L225 Difference]: With dead ends: 1756 [2022-12-14 09:07:30,866 INFO L226 Difference]: Without dead ends: 882 [2022-12-14 09:07:30,868 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 [2022-12-14 09:07:30,869 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 13 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:30,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1937 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:07:30,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2022-12-14 09:07:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 875. [2022-12-14 09:07:30,902 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) [2022-12-14 09:07:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1205 transitions. [2022-12-14 09:07:30,905 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1205 transitions. Word has length 57 [2022-12-14 09:07:30,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:30,905 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1205 transitions. [2022-12-14 09:07:30,905 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) [2022-12-14 09:07:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1205 transitions. [2022-12-14 09:07:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 09:07:30,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:30,907 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] [2022-12-14 09:07:30,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:07:30,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:30,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:30,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2041310689, now seen corresponding path program 1 times [2022-12-14 09:07:30,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:30,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513619942] [2022-12-14 09:07:30,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 09:07:31,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:31,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513619942] [2022-12-14 09:07:31,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513619942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:31,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:31,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:07:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295744484] [2022-12-14 09:07:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:31,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:07:31,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:07:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:07:31,174 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) [2022-12-14 09:07:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:31,878 INFO L93 Difference]: Finished difference Result 1051 states and 1485 transitions. [2022-12-14 09:07:31,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:07:31,879 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 [2022-12-14 09:07:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:31,883 INFO L225 Difference]: With dead ends: 1051 [2022-12-14 09:07:31,883 INFO L226 Difference]: Without dead ends: 1048 [2022-12-14 09:07:31,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:07:31,884 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 115 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:31,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 2672 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:07:31,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2022-12-14 09:07:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 891. [2022-12-14 09:07:31,923 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) [2022-12-14 09:07:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1223 transitions. [2022-12-14 09:07:31,926 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1223 transitions. Word has length 64 [2022-12-14 09:07:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:31,926 INFO L495 AbstractCegarLoop]: Abstraction has 891 states and 1223 transitions. [2022-12-14 09:07:31,926 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) [2022-12-14 09:07:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1223 transitions. [2022-12-14 09:07:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 09:07:31,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:31,929 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] [2022-12-14 09:07:31,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:07:31,929 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash 488034261, now seen corresponding path program 1 times [2022-12-14 09:07:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:31,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316513640] [2022-12-14 09:07:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:32,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:32,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316513640] [2022-12-14 09:07:32,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316513640] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:07:32,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581676505] [2022-12-14 09:07:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:32,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:07:32,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:07:32,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:07:32,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae42a62-40aa-415e-891c-bc84954f074f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:07:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:32,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:07:32,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:07:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:07:32,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:07:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:32,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581676505] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:07:32,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [332733042] [2022-12-14 09:07:32,548 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2022-12-14 09:07:32,548 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:07:32,551 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:07:32,556 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:07:32,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:07:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:36,011 INFO L321 Elim1Store]: treesize reduction 1620, result has 18.7 percent of original size [2022-12-14 09:07:36,012 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 [2022-12-14 09:07:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:36,235 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 [2022-12-14 09:07:36,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:07:36,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:07:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,256 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 [2022-12-14 09:07:37,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:37,360 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 [2022-12-14 09:07:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,177 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 [2022-12-14 09:07:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:38,273 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 [2022-12-14 09:07:41,673 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 [2022-12-14 09:07:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:42,964 INFO L321 Elim1Store]: treesize reduction 698, result has 48.8 percent of original size [2022-12-14 09:07:42,964 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 [2022-12-14 09:07:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,222 INFO L321 Elim1Store]: treesize reduction 948, result has 30.4 percent of original size [2022-12-14 09:07:44,222 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 [2022-12-14 09:07:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:07:45,488 INFO L321 Elim1Store]: treesize reduction 796, result has 41.6 percent of original size [2022-12-14 09:07:45,489 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 [2022-12-14 09:07:45,831 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 76