./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.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_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/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_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/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_58cbb30d-750b-4ecc-ab47-25801d41c27b/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 5402abc3421e66b1eb1ff4aae98a8f753c1d0c37db1cbdc24eb3404edec561ce --- 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 10:20:56,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:20:56,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:20:56,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:20:56,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:20:56,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:20:56,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:20:56,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:20:56,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:20:56,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:20:56,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:20:56,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:20:56,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:20:56,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:20:56,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:20:56,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:20:56,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:20:56,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:20:56,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:20:56,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:20:56,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:20:56,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:20:56,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:20:56,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:20:56,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:20:56,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:20:56,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:20:56,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:20:56,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:20:56,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:20:56,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:20:56,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:20:56,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:20:56,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:20:56,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:20:56,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:20:56,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:20:56,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:20:56,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:20:56,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:20:56,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:20:56,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:20:56,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:20:56,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:20:56,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:20:56,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:20:56,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:20:56,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:20:56,644 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:20:56,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:20:56,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:20:56,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:20:56,645 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:20:56,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:20:56,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:20:56,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:20:56,646 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:20:56,646 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:20:56,646 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:20:56,646 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:20:56,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:20:56,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:20:56,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:20:56,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:20:56,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:20:56,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:20:56,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:20:56,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:20:56,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:20:56,649 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_58cbb30d-750b-4ecc-ab47-25801d41c27b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5402abc3421e66b1eb1ff4aae98a8f753c1d0c37db1cbdc24eb3404edec561ce [2022-12-14 10:20:56,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:20:56,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:20:56,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:20:56,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:20:56,851 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:20:56,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 10:20:59,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:20:59,844 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:20:59,844 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 10:20:59,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/data/aecf10053/3e41797ab10d4ad28fef40cbab9fb440/FLAG779220e42 [2022-12-14 10:20:59,883 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/data/aecf10053/3e41797ab10d4ad28fef40cbab9fb440 [2022-12-14 10:20:59,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:20:59,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:20:59,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:20:59,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:20:59,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:20:59,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:59" (1/1) ... [2022-12-14 10:20:59,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f79a392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:59, skipping insertion in model container [2022-12-14 10:20:59,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:59" (1/1) ... [2022-12-14 10:20:59,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:21:00,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:21:00,463 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:21:00,624 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:21:00,642 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:21:00,762 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:21:00,769 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:21:00,771 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:21:00,810 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 10:21:00,848 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,017 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:01,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,019 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 10:21:01,019 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 10:21:01,019 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 10:21:01,021 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,025 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,028 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,029 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,031 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,032 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 10:21:01,032 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:21:01,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,036 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:21:01,038 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,043 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,050 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,052 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:01,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,057 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,058 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 10:21:01,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,062 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 10:21:01,063 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 10:21:01,064 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:01,064 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,069 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,071 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:21:01,073 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 10:21:01,073 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 10:21:01,073 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 10:21:01,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:01,074 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,079 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,083 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:01,083 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 10:21:01,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,089 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,089 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 10:21:01,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,092 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 10:21:01,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,103 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:21:01,103 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,109 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,110 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:01,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,116 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,117 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:01,118 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:01,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,129 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:21:01,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,131 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 10:21:01,132 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 10:21:01,132 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:01,132 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:01,133 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:01,133 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:01,133 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:01,134 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:01,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:01,135 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:01,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:01,143 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:01,144 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:01,146 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:01,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,150 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 10:21:01,151 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:01,151 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:01,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,154 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 10:21:01,155 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:01,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:01,156 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 10:21:01,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:01,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,159 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 10:21:01,515 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:21:01,521 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 10:21:01,522 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 10:21:01,534 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:21:01,535 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:21:01,544 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:01,544 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:01,598 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:21:01,607 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:21:01,649 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:21:01,649 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:21:01,650 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:21:01,650 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:21:01,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,785 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,791 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:01,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,797 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,800 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 10:21:01,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,809 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,832 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,841 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:01,841 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:01,842 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:21:01,859 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,859 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:21:01,860 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:21:01,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,873 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:01,881 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 10:21:01,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,904 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,955 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 10:21:01,955 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 10:21:01,960 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 10:21:01,961 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 10:21:01,966 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 10:21:01,966 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 10:21:01,971 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 10:21:01,972 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 10:21:01,978 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,978 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 10:21:01,978 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 10:21:01,984 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,986 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 10:21:01,986 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 10:21:01,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:01,997 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:01,998 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:01,998 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:02,004 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,005 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,008 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:02,009 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:02,009 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:02,009 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:02,009 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 10:21:02,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,017 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,028 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,033 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:02,038 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 10:21:02,044 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 10:21:02,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,057 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 10:21:02,066 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 10:21:02,067 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 10:21:02,069 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,069 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,069 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,070 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:02,167 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,213 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:21:02,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,309 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 10:21:02,309 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:21:02,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,310 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 10:21:02,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,331 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:02,331 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:02,332 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:02,332 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 10:21:02,332 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 10:21:02,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,355 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 10:21:02,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,366 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:02,367 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:21:02,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,373 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 10:21:02,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:02,393 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 10:21:02,399 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,400 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,400 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:02,400 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:02,401 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:02,401 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:02,401 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:02,478 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:21:02,490 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,573 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,578 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,583 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,607 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,612 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,617 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,623 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,628 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,646 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,647 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,647 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,653 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,658 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,677 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,687 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,692 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,696 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,720 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,730 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,735 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,754 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,759 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,764 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,769 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,774 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,794 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,799 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,809 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,814 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,837 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,842 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,847 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,858 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,879 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,879 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,880 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,884 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,888 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,905 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,905 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,905 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,907 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,907 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:02,929 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_58cbb30d-750b-4ecc-ab47-25801d41c27b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510260,510273] [2022-12-14 10:21:02,932 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_58cbb30d-750b-4ecc-ab47-25801d41c27b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510405,510418] [2022-12-14 10:21:02,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:21:03,005 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:21:03,092 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:21:03,096 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:21:03,097 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:21:03,104 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:21:03,105 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:21:03,105 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:21:03,108 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 10:21:03,110 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,126 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:03,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,127 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 10:21:03,127 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 10:21:03,128 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 10:21:03,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,160 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 10:21:03,160 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:21:03,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,162 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:21:03,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,171 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,174 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,175 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:03,176 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,178 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,178 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 10:21:03,179 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,181 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,182 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 10:21:03,182 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 10:21:03,183 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:03,183 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,184 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,184 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,185 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:21:03,186 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 10:21:03,187 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 10:21:03,187 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 10:21:03,187 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:03,188 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,188 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,189 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,190 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:03,191 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 10:21:03,191 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,192 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,192 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 10:21:03,193 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,193 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 10:21:03,194 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,197 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,198 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:21:03,198 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,198 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,199 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:03,200 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,200 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,201 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 10:21:03,202 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:21:03,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,206 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:21:03,207 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,209 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 10:21:03,209 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 10:21:03,209 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:03,209 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:03,210 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:03,210 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:03,210 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 10:21:03,210 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:03,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:03,211 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:03,217 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:03,221 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:03,221 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:03,222 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:03,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,233 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 10:21:03,233 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 10:21:03,233 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:21:03,238 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,238 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 10:21:03,243 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:03,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:03,244 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 10:21:03,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:21:03,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,245 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 10:21:03,252 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:21:03,254 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 10:21:03,255 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 10:21:03,262 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:21:03,262 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:21:03,267 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:03,268 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,268 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:21:03,268 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:21:03,269 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:21:03,269 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:21:03,269 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:21:03,269 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:21:03,272 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,283 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,283 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,295 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:03,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,300 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 10:21:03,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,312 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 10:21:03,312 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:03,312 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:21:03,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,318 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:21:03,319 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:21:03,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,321 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:21:03,328 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 10:21:03,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,367 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 10:21:03,367 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 10:21:03,368 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 10:21:03,368 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 10:21:03,368 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 10:21:03,368 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 10:21:03,369 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 10:21:03,369 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 10:21:03,370 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,370 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 10:21:03,370 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 10:21:03,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,374 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 10:21:03,374 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 10:21:03,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,377 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:03,378 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:03,378 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:03,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,383 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:03,384 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:03,384 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:03,384 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:03,384 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 10:21:03,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,389 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,393 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:03,394 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 10:21:03,396 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 10:21:03,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,410 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,411 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 10:21:03,415 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 10:21:03,415 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 10:21:03,416 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,416 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,416 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,417 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:03,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,472 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,473 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:21:03,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,481 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 10:21:03,481 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:21:03,482 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,482 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 10:21:03,482 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,491 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 10:21:03,491 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 10:21:03,491 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 10:21:03,491 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 10:21:03,492 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 10:21:03,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,500 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,501 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 10:21:03,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,502 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:21:03,503 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:21:03,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,506 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 10:21:03,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:21:03,516 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 10:21:03,517 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,517 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,517 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:03,518 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 10:21:03,518 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:03,518 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 10:21:03,518 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:21:03,520 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:21:03,520 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,534 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,535 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,535 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,535 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,536 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,536 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,537 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,537 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,537 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,546 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,546 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:21:03,553 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_58cbb30d-750b-4ecc-ab47-25801d41c27b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510260,510273] [2022-12-14 10:21:03,553 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_58cbb30d-750b-4ecc-ab47-25801d41c27b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510405,510418] [2022-12-14 10:21:03,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:21:03,681 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:21:03,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03 WrapperNode [2022-12-14 10:21:03,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:21:03,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:21:03,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:21:03,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:21:03,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:03,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,124 INFO L138 Inliner]: procedures = 486, calls = 6649, calls flagged for inlining = 236, calls inlined = 219, statements flattened = 12133 [2022-12-14 10:21:04,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:21:04,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:21:04,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:21:04,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:21:04,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:21:04,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:21:04,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:21:04,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:21:04,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (1/1) ... [2022-12-14 10:21:04,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:21:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:21:04,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:21:04,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:21:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:21:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:21:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2022-12-14 10:21:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2022-12-14 10:21:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-12-14 10:21:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2022-12-14 10:21:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-12-14 10:21:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-12-14 10:21:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2022-12-14 10:21:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2022-12-14 10:21:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:21:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2022-12-14 10:21:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2022-12-14 10:21:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-12-14 10:21:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 10:21:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-12-14 10:21:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2022-12-14 10:21:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-14 10:21:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2022-12-14 10:21:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2022-12-14 10:21:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:21:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2022-12-14 10:21:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2022-12-14 10:21:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2022-12-14 10:21:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 10:21:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 10:21:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-12-14 10:21:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2022-12-14 10:21:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_70 [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_70 [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_71 [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_71 [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:21:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:21:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:21:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:21:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 10:21:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 10:21:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 10:21:05,602 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:21:05,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:21:05,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:22:07,454 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 10:22:07,571 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:22:09,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:22:09,599 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 10:22:09,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:22:09 BoogieIcfgContainer [2022-12-14 10:22:09,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:22:09,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:22:09,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:22:09,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:22:09,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:20:59" (1/3) ... [2022-12-14 10:22:09,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9d88a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:22:09, skipping insertion in model container [2022-12-14 10:22:09,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:21:03" (2/3) ... [2022-12-14 10:22:09,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9d88a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:22:09, skipping insertion in model container [2022-12-14 10:22:09,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:22:09" (3/3) ... [2022-12-14 10:22:09,613 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 10:22:09,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:22:09,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:22:09,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:22:09,699 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;@40c3dd6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:22:09,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:22:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 2517 states, 1588 states have (on average 1.3280856423173804) internal successors, (2109), 1603 states have internal predecessors, (2109), 793 states have call successors, (793), 136 states have call predecessors, (793), 135 states have return successors, (784), 777 states have call predecessors, (784), 784 states have call successors, (784) [2022-12-14 10:22:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-12-14 10:22:09,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:09,749 INFO L195 NwaCegarLoop]: trace histogram [46, 45, 45, 45, 45, 45, 45, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:09,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:22:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1813181573, now seen corresponding path program 1 times [2022-12-14 10:22:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:09,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587140730] [2022-12-14 10:22:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8014 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8014 trivial. 0 not checked. [2022-12-14 10:22:10,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:10,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587140730] [2022-12-14 10:22:10,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587140730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:10,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:10,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:22:10,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829343437] [2022-12-14 10:22:10,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:10,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:22:10,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:22:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:22:10,827 INFO L87 Difference]: Start difference. First operand has 2517 states, 1588 states have (on average 1.3280856423173804) internal successors, (2109), 1603 states have internal predecessors, (2109), 793 states have call successors, (793), 136 states have call predecessors, (793), 135 states have return successors, (784), 777 states have call predecessors, (784), 784 states have call successors, (784) Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 10:22:13,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:14,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:23,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:25,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:27,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:29,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:31,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:33,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:35,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:37,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:39,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:41,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:43,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:45,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:45,685 INFO L93 Difference]: Finished difference Result 7242 states and 10684 transitions. [2022-12-14 10:22:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:22:45,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 510 [2022-12-14 10:22:45,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:45,720 INFO L225 Difference]: With dead ends: 7242 [2022-12-14 10:22:45,720 INFO L226 Difference]: Without dead ends: 4760 [2022-12-14 10:22:45,735 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 10:22:45,738 INFO L413 NwaCegarLoop]: 3855 mSDtfsCounter, 3331 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 6962 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:45,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 6962 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1096 Invalid, 8 Unknown, 0 Unchecked, 34.5s Time] [2022-12-14 10:22:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2022-12-14 10:22:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 4753. [2022-12-14 10:22:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4753 states, 3046 states have (on average 1.324359816152331) internal successors, (4034), 3074 states have internal predecessors, (4034), 1442 states have call successors, (1442), 264 states have call predecessors, (1442), 264 states have return successors, (1452), 1427 states have call predecessors, (1452), 1442 states have call successors, (1452) [2022-12-14 10:22:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4753 states to 4753 states and 6928 transitions. [2022-12-14 10:22:45,986 INFO L78 Accepts]: Start accepts. Automaton has 4753 states and 6928 transitions. Word has length 510 [2022-12-14 10:22:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:45,987 INFO L495 AbstractCegarLoop]: Abstraction has 4753 states and 6928 transitions. [2022-12-14 10:22:45,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 10:22:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4753 states and 6928 transitions. [2022-12-14 10:22:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-12-14 10:22:46,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:46,006 INFO L195 NwaCegarLoop]: trace histogram [46, 45, 45, 45, 45, 45, 45, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:46,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:22:46,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:22:46,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:46,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1274203830, now seen corresponding path program 1 times [2022-12-14 10:22:46,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:46,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856177782] [2022-12-14 10:22:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8014 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8014 trivial. 0 not checked. [2022-12-14 10:22:46,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:46,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856177782] [2022-12-14 10:22:46,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856177782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:46,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:46,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:22:46,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34940258] [2022-12-14 10:22:46,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:46,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:22:46,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:46,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:22:46,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:22:46,718 INFO L87 Difference]: Start difference. First operand 4753 states and 6928 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 10:22:49,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:52,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:56,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:22:59,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:01,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:03,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:05,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:08,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:10,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:11,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:13,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:15,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:17,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:19,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:21,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:23,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:23,964 INFO L93 Difference]: Finished difference Result 13614 states and 19826 transitions. [2022-12-14 10:23:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:23:23,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 509 [2022-12-14 10:23:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:24,006 INFO L225 Difference]: With dead ends: 13614 [2022-12-14 10:23:24,006 INFO L226 Difference]: Without dead ends: 8948 [2022-12-14 10:23:24,024 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 10:23:24,025 INFO L413 NwaCegarLoop]: 3940 mSDtfsCounter, 3227 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 13 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 6994 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:24,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6994 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1134 Invalid, 12 Unknown, 0 Unchecked, 36.9s Time] [2022-12-14 10:23:24,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2022-12-14 10:23:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 8893. [2022-12-14 10:23:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8893 states, 5726 states have (on average 1.3250087320991966) internal successors, (7587), 5783 states have internal predecessors, (7587), 2655 states have call successors, (2655), 511 states have call predecessors, (2655), 511 states have return successors, (2690), 2622 states have call predecessors, (2690), 2655 states have call successors, (2690) [2022-12-14 10:23:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8893 states to 8893 states and 12932 transitions. [2022-12-14 10:23:24,393 INFO L78 Accepts]: Start accepts. Automaton has 8893 states and 12932 transitions. Word has length 509 [2022-12-14 10:23:24,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:24,394 INFO L495 AbstractCegarLoop]: Abstraction has 8893 states and 12932 transitions. [2022-12-14 10:23:24,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 10:23:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8893 states and 12932 transitions. [2022-12-14 10:23:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 10:23:24,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:24,411 INFO L195 NwaCegarLoop]: trace histogram [49, 48, 48, 48, 48, 48, 48, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:24,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:23:24,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:23:24,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1475055593, now seen corresponding path program 1 times [2022-12-14 10:23:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:24,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361905175] [2022-12-14 10:23:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:24,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9160 trivial. 0 not checked. [2022-12-14 10:23:25,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:25,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361905175] [2022-12-14 10:23:25,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361905175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:25,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:25,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:23:25,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185329189] [2022-12-14 10:23:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:25,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:23:25,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:23:25,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:23:25,041 INFO L87 Difference]: Start difference. First operand 8893 states and 12932 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:23:28,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:33,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:36,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:39,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:42,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:44,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:45,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:47,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:49,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:51,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:53,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:55,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:57,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:59,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:23:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:59,567 INFO L93 Difference]: Finished difference Result 26007 states and 37829 transitions. [2022-12-14 10:23:59,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:23:59,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 535 [2022-12-14 10:23:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:59,639 INFO L225 Difference]: With dead ends: 26007 [2022-12-14 10:23:59,639 INFO L226 Difference]: Without dead ends: 17201 [2022-12-14 10:23:59,665 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 10:23:59,666 INFO L413 NwaCegarLoop]: 3778 mSDtfsCounter, 3260 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 13 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 6849 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:59,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3274 Valid, 6849 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1069 Invalid, 9 Unknown, 0 Unchecked, 34.1s Time] [2022-12-14 10:23:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17201 states. [2022-12-14 10:24:00,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17201 to 17184. [2022-12-14 10:24:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17184 states, 11097 states have (on average 1.3254032621429215) internal successors, (14708), 11220 states have internal predecessors, (14708), 5079 states have call successors, (5079), 1007 states have call predecessors, (5079), 1007 states have return successors, (5184), 5004 states have call predecessors, (5184), 5079 states have call successors, (5184) [2022-12-14 10:24:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17184 states to 17184 states and 24971 transitions. [2022-12-14 10:24:00,373 INFO L78 Accepts]: Start accepts. Automaton has 17184 states and 24971 transitions. Word has length 535 [2022-12-14 10:24:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:00,374 INFO L495 AbstractCegarLoop]: Abstraction has 17184 states and 24971 transitions. [2022-12-14 10:24:00,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:24:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 17184 states and 24971 transitions. [2022-12-14 10:24:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-12-14 10:24:00,406 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:00,406 INFO L195 NwaCegarLoop]: trace histogram [47, 45, 45, 45, 45, 45, 45, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:00,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:24:00,406 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:24:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash 565634989, now seen corresponding path program 1 times [2022-12-14 10:24:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:00,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978204211] [2022-12-14 10:24:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:00,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8109 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8106 trivial. 0 not checked. [2022-12-14 10:24:00,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978204211] [2022-12-14 10:24:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978204211] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:00,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:00,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:24:00,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515831420] [2022-12-14 10:24:00,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:00,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:24:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:00,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:24:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:24:00,959 INFO L87 Difference]: Start difference. First operand 17184 states and 24971 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:24:04,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:07,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:12,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:14,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:16,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:18,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:21,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:23,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:26,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:28,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:30,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:32,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:34,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:36,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:37,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:37,002 INFO L93 Difference]: Finished difference Result 42766 states and 62063 transitions. [2022-12-14 10:24:37,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:24:37,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 532 [2022-12-14 10:24:37,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:37,101 INFO L225 Difference]: With dead ends: 42766 [2022-12-14 10:24:37,101 INFO L226 Difference]: Without dead ends: 25669 [2022-12-14 10:24:37,158 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 10:24:37,159 INFO L413 NwaCegarLoop]: 4381 mSDtfsCounter, 3248 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 12 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 7445 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:37,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 7445 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1212 Invalid, 12 Unknown, 0 Unchecked, 35.3s Time] [2022-12-14 10:24:37,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25669 states. [2022-12-14 10:24:38,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25669 to 25584. [2022-12-14 10:24:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25584 states, 16535 states have (on average 1.3216812821288177) internal successors, (21854), 16713 states have internal predecessors, (21854), 7508 states have call successors, (7508), 1540 states have call predecessors, (7508), 1540 states have return successors, (7678), 7402 states have call predecessors, (7678), 7508 states have call successors, (7678) [2022-12-14 10:24:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25584 states to 25584 states and 37040 transitions. [2022-12-14 10:24:38,171 INFO L78 Accepts]: Start accepts. Automaton has 25584 states and 37040 transitions. Word has length 532 [2022-12-14 10:24:38,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:38,171 INFO L495 AbstractCegarLoop]: Abstraction has 25584 states and 37040 transitions. [2022-12-14 10:24:38,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:24:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 25584 states and 37040 transitions. [2022-12-14 10:24:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2022-12-14 10:24:38,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:38,189 INFO L195 NwaCegarLoop]: trace histogram [49, 48, 48, 48, 48, 48, 48, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:38,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:24:38,189 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:24:38,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash 316263793, now seen corresponding path program 1 times [2022-12-14 10:24:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:38,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449746204] [2022-12-14 10:24:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9160 trivial. 0 not checked. [2022-12-14 10:24:38,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:38,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449746204] [2022-12-14 10:24:38,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449746204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:38,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:38,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:24:38,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227923560] [2022-12-14 10:24:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:38,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:24:38,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:38,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:24:38,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:24:38,641 INFO L87 Difference]: Start difference. First operand 25584 states and 37040 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:24:41,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:46,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:51,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:54,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:24:56,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:58,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:00,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:02,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:04,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:06,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:09,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:11,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:13,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:13,266 INFO L93 Difference]: Finished difference Result 64169 states and 92498 transitions. [2022-12-14 10:25:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:25:13,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 561 [2022-12-14 10:25:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:13,402 INFO L225 Difference]: With dead ends: 64169 [2022-12-14 10:25:13,403 INFO L226 Difference]: Without dead ends: 38672 [2022-12-14 10:25:13,469 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 10:25:13,470 INFO L413 NwaCegarLoop]: 3870 mSDtfsCounter, 3018 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 6902 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:13,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 6902 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1116 Invalid, 11 Unknown, 0 Unchecked, 33.6s Time] [2022-12-14 10:25:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38672 states. [2022-12-14 10:25:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38672 to 38632. [2022-12-14 10:25:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38632 states, 24876 states have (on average 1.3131532400707508) internal successors, (32666), 25187 states have internal predecessors, (32666), 11274 states have call successors, (11274), 2480 states have call predecessors, (11274), 2481 states have return successors, (11549), 11080 states have call predecessors, (11549), 11274 states have call successors, (11549) [2022-12-14 10:25:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38632 states to 38632 states and 55489 transitions. [2022-12-14 10:25:14,851 INFO L78 Accepts]: Start accepts. Automaton has 38632 states and 55489 transitions. Word has length 561 [2022-12-14 10:25:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:14,851 INFO L495 AbstractCegarLoop]: Abstraction has 38632 states and 55489 transitions. [2022-12-14 10:25:14,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 10:25:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 38632 states and 55489 transitions. [2022-12-14 10:25:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-12-14 10:25:14,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:14,940 INFO L195 NwaCegarLoop]: trace histogram [49, 45, 45, 45, 45, 45, 45, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:25:14,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:25:14,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:25:14,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:14,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2037148125, now seen corresponding path program 1 times [2022-12-14 10:25:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:14,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151551150] [2022-12-14 10:25:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:14,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8321 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8314 trivial. 0 not checked. [2022-12-14 10:25:15,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:15,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151551150] [2022-12-14 10:25:15,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151551150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:15,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:15,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:25:15,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130792494] [2022-12-14 10:25:15,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:15,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:25:15,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:15,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:25:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:25:15,430 INFO L87 Difference]: Start difference. First operand 38632 states and 55489 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 10:25:18,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:20,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:25,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:32,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:35,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:38,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:40,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:43,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:45,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:47,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:49,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:51,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:53,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:55,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:25:57,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:57,695 INFO L93 Difference]: Finished difference Result 84917 states and 122145 transitions. [2022-12-14 10:25:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:25:57,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 566 [2022-12-14 10:25:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:57,888 INFO L225 Difference]: With dead ends: 84917 [2022-12-14 10:25:57,889 INFO L226 Difference]: Without dead ends: 53239 [2022-12-14 10:25:57,968 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 10:25:57,968 INFO L413 NwaCegarLoop]: 5269 mSDtfsCounter, 3214 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3229 SdHoareTripleChecker+Valid, 8306 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:57,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3229 Valid, 8306 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1445 Invalid, 12 Unknown, 0 Unchecked, 40.9s Time] [2022-12-14 10:25:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53239 states. [2022-12-14 10:25:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53239 to 53183. [2022-12-14 10:25:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53183 states, 34282 states have (on average 1.3142465433755324) internal successors, (45055), 34722 states have internal predecessors, (45055), 15460 states have call successors, (15460), 3439 states have call predecessors, (15460), 3440 states have return successors, (15843), 15179 states have call predecessors, (15843), 15460 states have call successors, (15843) [2022-12-14 10:26:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53183 states to 53183 states and 76358 transitions. [2022-12-14 10:26:00,099 INFO L78 Accepts]: Start accepts. Automaton has 53183 states and 76358 transitions. Word has length 566 [2022-12-14 10:26:00,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:26:00,100 INFO L495 AbstractCegarLoop]: Abstraction has 53183 states and 76358 transitions. [2022-12-14 10:26:00,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 10:26:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 53183 states and 76358 transitions. [2022-12-14 10:26:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2022-12-14 10:26:00,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:26:00,140 INFO L195 NwaCegarLoop]: trace histogram [49, 45, 45, 45, 45, 45, 45, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:00,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:26:00,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:26:00,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:26:00,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2054481224, now seen corresponding path program 1 times [2022-12-14 10:26:00,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:26:00,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319195749] [2022-12-14 10:26:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:26:00,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:26:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:26:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8321 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8314 trivial. 0 not checked. [2022-12-14 10:26:00,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:26:00,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319195749] [2022-12-14 10:26:00,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319195749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:26:00,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:26:00,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:26:00,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76598949] [2022-12-14 10:26:00,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:26:00,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:26:00,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:26:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:26:00,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:26:00,791 INFO L87 Difference]: Start difference. First operand 53183 states and 76358 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 10:26:04,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:05,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:07,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:11,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:12,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:14,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:17,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:20,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:24,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:26,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:29,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:31,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:33,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:35,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:38,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:40,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:42,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:44,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:46,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:26:46,401 INFO L93 Difference]: Finished difference Result 120242 states and 172803 transitions. [2022-12-14 10:26:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:26:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 567 [2022-12-14 10:26:46,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:26:46,703 INFO L225 Difference]: With dead ends: 120242 [2022-12-14 10:26:46,703 INFO L226 Difference]: Without dead ends: 74047 [2022-12-14 10:26:46,812 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 10:26:46,812 INFO L413 NwaCegarLoop]: 5784 mSDtfsCounter, 3191 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 8822 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:26:46,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 8822 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1562 Invalid, 12 Unknown, 0 Unchecked, 43.5s Time] [2022-12-14 10:26:46,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74047 states. [2022-12-14 10:26:49,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74047 to 74029. [2022-12-14 10:26:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74029 states, 47806 states have (on average 1.3155461657532528) internal successors, (62891), 48436 states have internal predecessors, (62891), 21388 states have call successors, (21388), 4833 states have call predecessors, (21388), 4834 states have return successors, (21934), 20977 states have call predecessors, (21934), 21388 states have call successors, (21934) [2022-12-14 10:26:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74029 states to 74029 states and 106213 transitions. [2022-12-14 10:26:49,472 INFO L78 Accepts]: Start accepts. Automaton has 74029 states and 106213 transitions. Word has length 567 [2022-12-14 10:26:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:26:49,473 INFO L495 AbstractCegarLoop]: Abstraction has 74029 states and 106213 transitions. [2022-12-14 10:26:49,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 10:26:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 74029 states and 106213 transitions. [2022-12-14 10:26:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-12-14 10:26:49,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:26:49,494 INFO L195 NwaCegarLoop]: trace histogram [52, 48, 48, 48, 48, 48, 48, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:49,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:26:49,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:26:49,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:26:49,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1221512753, now seen corresponding path program 1 times [2022-12-14 10:26:49,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:26:49,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899334815] [2022-12-14 10:26:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:26:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:26:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:26:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9484 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9477 trivial. 0 not checked. [2022-12-14 10:26:50,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:26:50,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899334815] [2022-12-14 10:26:50,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899334815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:26:50,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:26:50,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:26:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724975899] [2022-12-14 10:26:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:26:50,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:26:50,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:26:50,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:26:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:26:50,170 INFO L87 Difference]: Start difference. First operand 74029 states and 106213 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-12-14 10:26:53,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:26:56,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:59,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:01,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:08,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:12,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:14,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:17,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:19,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:21,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:24,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:26,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:27:29,069 INFO L93 Difference]: Finished difference Result 172009 states and 247095 transitions. [2022-12-14 10:27:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:27:29,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 591 [2022-12-14 10:27:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:27:29,471 INFO L225 Difference]: With dead ends: 172009 [2022-12-14 10:27:29,471 INFO L226 Difference]: Without dead ends: 105002 [2022-12-14 10:27:29,639 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 10:27:29,639 INFO L413 NwaCegarLoop]: 5819 mSDtfsCounter, 3208 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 8879 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:27:29,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 8879 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1538 Invalid, 12 Unknown, 0 Unchecked, 36.2s Time] [2022-12-14 10:27:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105002 states. [2022-12-14 10:27:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105002 to 104898. [2022-12-14 10:27:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104898 states, 67788 states have (on average 1.3167817312798726) internal successors, (89262), 68722 states have internal predecessors, (89262), 30221 states have call successors, (30221), 6887 states have call predecessors, (30221), 6888 states have return successors, (31067), 29600 states have call predecessors, (31067), 30221 states have call successors, (31067) [2022-12-14 10:27:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104898 states to 104898 states and 150550 transitions. [2022-12-14 10:27:33,800 INFO L78 Accepts]: Start accepts. Automaton has 104898 states and 150550 transitions. Word has length 591 [2022-12-14 10:27:33,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:27:33,800 INFO L495 AbstractCegarLoop]: Abstraction has 104898 states and 150550 transitions. [2022-12-14 10:27:33,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-12-14 10:27:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 104898 states and 150550 transitions. [2022-12-14 10:27:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-12-14 10:27:33,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:27:33,834 INFO L195 NwaCegarLoop]: trace histogram [48, 46, 46, 46, 46, 46, 46, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:27:33,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:27:33,835 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:27:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:27:33,835 INFO L85 PathProgramCache]: Analyzing trace with hash 515337715, now seen corresponding path program 1 times [2022-12-14 10:27:33,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:27:33,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536004316] [2022-12-14 10:27:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:27:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:27:34,040 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:27:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478594537] [2022-12-14 10:27:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:27:34,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:27:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:27:34,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:27:34,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:27:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:27:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 9226 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:27:35,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:27:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8488 backedges. 1219 proven. 0 refuted. 0 times theorem prover too weak. 7269 trivial. 0 not checked. [2022-12-14 10:27:35,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:27:35,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:27:35,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536004316] [2022-12-14 10:27:35,855 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:27:35,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478594537] [2022-12-14 10:27:35,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478594537] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:27:35,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:27:35,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:27:35,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803068524] [2022-12-14 10:27:35,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:27:35,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:27:35,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:27:35,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:27:35,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:27:35,858 INFO L87 Difference]: Start difference. First operand 104898 states and 150550 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 10:27:38,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:44,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:50,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:27:53,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:55,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:57,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:59,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:02,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:04,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:07,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:09,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:11,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:13,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:15,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:28:15,164 INFO L93 Difference]: Finished difference Result 304858 states and 437290 transitions. [2022-12-14 10:28:15,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:28:15,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 602 [2022-12-14 10:28:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:28:15,941 INFO L225 Difference]: With dead ends: 304858 [2022-12-14 10:28:15,941 INFO L226 Difference]: Without dead ends: 200047 [2022-12-14 10:28:16,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 600 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 10:28:16,238 INFO L413 NwaCegarLoop]: 4256 mSDtfsCounter, 3275 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 9 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 7316 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:28:16,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3279 Valid, 7316 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1155 Invalid, 9 Unknown, 0 Unchecked, 33.7s Time] [2022-12-14 10:28:16,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200047 states. [2022-12-14 10:28:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200047 to 199901. [2022-12-14 10:28:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199901 states, 128986 states have (on average 1.3137472283813747) internal successors, (169455), 130897 states have internal predecessors, (169455), 57687 states have call successors, (57687), 13226 states have call predecessors, (57687), 13227 states have return successors, (59351), 56343 states have call predecessors, (59351), 57687 states have call successors, (59351) [2022-12-14 10:28:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199901 states to 199901 states and 286493 transitions. [2022-12-14 10:28:23,720 INFO L78 Accepts]: Start accepts. Automaton has 199901 states and 286493 transitions. Word has length 602 [2022-12-14 10:28:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:28:23,721 INFO L495 AbstractCegarLoop]: Abstraction has 199901 states and 286493 transitions. [2022-12-14 10:28:23,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 10:28:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 199901 states and 286493 transitions. [2022-12-14 10:28:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-12-14 10:28:23,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:28:23,766 INFO L195 NwaCegarLoop]: trace histogram [52, 48, 48, 48, 48, 48, 48, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:23,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:28:23,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:28:23,968 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:28:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:28:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -217019110, now seen corresponding path program 1 times [2022-12-14 10:28:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:28:23,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206612034] [2022-12-14 10:28:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:28:23,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:28:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:28:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9482 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9475 trivial. 0 not checked. [2022-12-14 10:28:24,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:28:24,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206612034] [2022-12-14 10:28:24,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206612034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:28:24,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:28:24,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:28:24,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381826903] [2022-12-14 10:28:24,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:28:24,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:28:24,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:28:24,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:28:24,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:28:24,588 INFO L87 Difference]: Start difference. First operand 199901 states and 286493 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-12-14 10:28:28,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:34,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:38,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:41,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:45,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:48,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:51,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:53,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:56,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:28:58,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:00,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:02,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:29:05,470 INFO L93 Difference]: Finished difference Result 467163 states and 668855 transitions. [2022-12-14 10:29:05,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:29:05,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 615 [2022-12-14 10:29:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:29:06,752 INFO L225 Difference]: With dead ends: 467163 [2022-12-14 10:29:06,752 INFO L226 Difference]: Without dead ends: 280393 [2022-12-14 10:29:07,265 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 10:29:07,265 INFO L413 NwaCegarLoop]: 5607 mSDtfsCounter, 2923 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 8637 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:29:07,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 8637 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1514 Invalid, 9 Unknown, 0 Unchecked, 34.0s Time] [2022-12-14 10:29:07,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280393 states. [2022-12-14 10:29:17,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280393 to 280239. [2022-12-14 10:29:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280239 states, 180638 states have (on average 1.3113685935406725) internal successors, (236883), 183462 states have internal predecessors, (236883), 80680 states have call successors, (80680), 18919 states have call predecessors, (80680), 18920 states have return successors, (82965), 78670 states have call predecessors, (82965), 80680 states have call successors, (82965) [2022-12-14 10:29:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280239 states to 280239 states and 400528 transitions. [2022-12-14 10:29:18,757 INFO L78 Accepts]: Start accepts. Automaton has 280239 states and 400528 transitions. Word has length 615 [2022-12-14 10:29:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:29:18,757 INFO L495 AbstractCegarLoop]: Abstraction has 280239 states and 400528 transitions. [2022-12-14 10:29:18,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-12-14 10:29:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 280239 states and 400528 transitions. [2022-12-14 10:29:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2022-12-14 10:29:18,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:29:18,832 INFO L195 NwaCegarLoop]: trace histogram [54, 48, 48, 48, 48, 48, 48, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:18,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:29:18,833 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:29:18,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:29:18,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2095638588, now seen corresponding path program 1 times [2022-12-14 10:29:18,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:29:18,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705799327] [2022-12-14 10:29:18,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:29:18,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:29:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:29:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 9708 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9692 trivial. 0 not checked. [2022-12-14 10:29:19,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:29:19,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705799327] [2022-12-14 10:29:19,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705799327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:29:19,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:29:19,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:29:19,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382377844] [2022-12-14 10:29:19,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:29:19,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:29:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:29:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:29:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:29:19,506 INFO L87 Difference]: Start difference. First operand 280239 states and 400528 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 10:29:22,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:25,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:26,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:27,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:33,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:38,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:43,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:47,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:29:49,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:54,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:57,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:59,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:05,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:07,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:11,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:13,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:14,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:16,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:18,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:30:20,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:25,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:30:25,633 INFO L93 Difference]: Finished difference Result 628747 states and 897885 transitions. [2022-12-14 10:30:25,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:30:25,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 632 [2022-12-14 10:30:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:30:27,260 INFO L225 Difference]: With dead ends: 628747 [2022-12-14 10:30:27,260 INFO L226 Difference]: Without dead ends: 361639 [2022-12-14 10:30:28,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:30:28,022 INFO L413 NwaCegarLoop]: 5606 mSDtfsCounter, 2980 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 3686 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 12897 SdHoareTripleChecker+Invalid, 3704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3686 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:30:28,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 12897 Invalid, 3704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 3686 Invalid, 11 Unknown, 0 Unchecked, 55.5s Time] [2022-12-14 10:30:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361639 states. [2022-12-14 10:30:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361639 to 361483. [2022-12-14 10:30:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361483 states, 232822 states have (on average 1.3095626701943974) internal successors, (304895), 236559 states have internal predecessors, (304895), 103833 states have call successors, (103833), 24826 states have call predecessors, (103833), 24827 states have return successors, (106739), 101157 states have call predecessors, (106739), 103833 states have call successors, (106739) [2022-12-14 10:30:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361483 states to 361483 states and 515467 transitions. [2022-12-14 10:30:42,163 INFO L78 Accepts]: Start accepts. Automaton has 361483 states and 515467 transitions. Word has length 632 [2022-12-14 10:30:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:30:42,163 INFO L495 AbstractCegarLoop]: Abstraction has 361483 states and 515467 transitions. [2022-12-14 10:30:42,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 10:30:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 361483 states and 515467 transitions. [2022-12-14 10:30:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-12-14 10:30:42,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:30:42,241 INFO L195 NwaCegarLoop]: trace histogram [55, 48, 48, 48, 48, 48, 48, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:42,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:30:42,242 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:30:42,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:30:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1523265004, now seen corresponding path program 1 times [2022-12-14 10:30:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:30:42,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260049105] [2022-12-14 10:30:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:30:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:30:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:30:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 9832 trivial. 0 not checked. [2022-12-14 10:30:43,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:30:43,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260049105] [2022-12-14 10:30:43,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260049105] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:30:43,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358442386] [2022-12-14 10:30:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:30:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:30:43,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:30:43,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:30:43,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cbb30d-750b-4ecc-ab47-25801d41c27b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:30:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:30:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 8879 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 10:30:44,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:31:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9870 trivial. 0 not checked. [2022-12-14 10:31:23,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:31:37,482 WARN L233 SmtUtils]: Spent 13.69s on a formula simplification. DAG size of input: 1059 DAG size of output: 46 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:31:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9870 trivial. 0 not checked. [2022-12-14 10:31:49,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358442386] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 10:31:49,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 10:31:49,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 6] total 14 [2022-12-14 10:31:49,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715883808] [2022-12-14 10:31:49,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:49,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:31:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:49,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:31:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:31:49,250 INFO L87 Difference]: Start difference. First operand 361483 states and 515467 transitions. Second operand has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 4 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 10:31:54,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:31:59,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:03,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:32:05,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:32:07,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:32:17,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:21,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:22,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:26,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:32:29,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:31,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:42,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:47,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:54,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:32:56,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:02,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:33:04,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:33:06,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 10:33:08,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:19,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:19,836 INFO L93 Difference]: Finished difference Result 679286 states and 975857 transitions. [2022-12-14 10:33:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:33:19,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 4 states have call predecessors, (63), 3 states have call successors, (63) Word has length 649 [2022-12-14 10:33:19,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:23,655 INFO L225 Difference]: With dead ends: 679286 [2022-12-14 10:33:23,655 INFO L226 Difference]: Without dead ends: 679284 [2022-12-14 10:33:24,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1304 GetRequests, 1289 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-12-14 10:33:24,003 INFO L413 NwaCegarLoop]: 3775 mSDtfsCounter, 7016 mSDsluCounter, 14623 mSDsCounter, 0 mSdLazyCounter, 5274 mSolverCounterSat, 2439 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7203 SdHoareTripleChecker+Valid, 18398 SdHoareTripleChecker+Invalid, 7727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2439 IncrementalHoareTripleChecker+Valid, 5274 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:24,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7203 Valid, 18398 Invalid, 7727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2439 Valid, 5274 Invalid, 14 Unknown, 0 Unchecked, 62.8s Time] [2022-12-14 10:33:24,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679284 states.