./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc --- 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 [2022-12-13 20:23:33,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:23:33,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:23:33,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:23:33,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:23:33,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:23:33,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:23:33,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:23:33,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:23:33,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:23:33,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:23:33,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:23:33,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:23:33,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:23:33,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:23:33,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:23:33,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:23:33,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:23:33,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:23:33,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:23:33,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:23:33,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:23:33,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:23:33,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:23:33,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:23:33,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:23:33,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:23:33,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:23:33,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:23:33,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:23:33,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:23:33,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:23:33,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:23:33,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:23:33,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:23:33,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:23:33,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:23:33,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:23:33,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:23:33,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:23:33,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:23:33,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:23:33,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:23:33,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:23:33,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:23:33,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:23:33,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:23:33,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:23:33,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:23:33,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:23:33,455 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:23:33,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:23:33,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:23:33,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:23:33,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:23:33,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:23:33,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:23:33,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:23:33,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:23:33,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:23:33,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:23:33,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:23:33,459 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:23:33,459 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc [2022-12-13 20:23:33,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:23:33,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:23:33,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:23:33,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:23:33,650 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:23:33,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2022-12-13 20:23:36,175 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:23:36,457 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:23:36,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2022-12-13 20:23:36,474 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/data/2d8f1990d/0feca3b05f784a3fa89d288e04a010d5/FLAGa67654e3a [2022-12-13 20:23:36,488 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/data/2d8f1990d/0feca3b05f784a3fa89d288e04a010d5 [2022-12-13 20:23:36,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:23:36,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:23:36,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:23:36,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:23:36,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:23:36,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:23:36" (1/1) ... [2022-12-13 20:23:36,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ca4850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:36, skipping insertion in model container [2022-12-13 20:23:36,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:23:36" (1/1) ... [2022-12-13 20:23:36,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:23:36,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:23:37,112 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,175 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_integer [2022-12-13 20:23:37,181 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_integer [2022-12-13 20:23:37,188 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_object [2022-12-13 20:23:37,194 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:23:37,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,201 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:23:37,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,206 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,207 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,209 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,209 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,211 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,213 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,214 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,216 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,217 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,218 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,220 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,224 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:23:37,229 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,230 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,231 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,232 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,233 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,234 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,235 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,237 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,237 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,238 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,243 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:23:37,248 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 20:23:37,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,250 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 20:23:37,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,251 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 20:23:37,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,256 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 20:23:37,261 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,261 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,270 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,271 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,281 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,292 WARN L623 FunctionHandler]: Unknown extern function rfkill_set_hw_state [2022-12-13 20:23:37,296 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,299 WARN L623 FunctionHandler]: Unknown extern function rfkill_alloc [2022-12-13 20:23:37,301 WARN L623 FunctionHandler]: Unknown extern function rfkill_init_sw_state [2022-12-13 20:23:37,301 WARN L623 FunctionHandler]: Unknown extern function rfkill_init_sw_state [2022-12-13 20:23:37,302 WARN L623 FunctionHandler]: Unknown extern function rfkill_register [2022-12-13 20:23:37,303 WARN L623 FunctionHandler]: Unknown extern function rfkill_destroy [2022-12-13 20:23:37,306 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,307 WARN L623 FunctionHandler]: Unknown extern function rfkill_unregister [2022-12-13 20:23:37,308 WARN L623 FunctionHandler]: Unknown extern function rfkill_destroy [2022-12-13 20:23:37,311 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 20:23:37,313 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 20:23:37,313 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-13 20:23:37,314 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 20:23:37,314 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 20:23:37,317 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 20:23:37,318 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:23:37,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,324 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_setup [2022-12-13 20:23:37,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,325 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-13 20:23:37,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,326 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_free [2022-12-13 20:23:37,326 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-13 20:23:37,329 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_free [2022-12-13 20:23:37,329 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-13 20:23:37,333 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_report_event [2022-12-13 20:23:37,350 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-13 20:23:37,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,356 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-13 20:23:37,363 WARN L623 FunctionHandler]: Unknown extern function backlight_force_update [2022-12-13 20:23:37,366 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,367 WARN L623 FunctionHandler]: Unknown extern function i8042_command [2022-12-13 20:23:37,371 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,373 WARN L623 FunctionHandler]: Unknown extern function acpi_video_backlight_support [2022-12-13 20:23:37,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:23:37,376 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,377 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:23:37,379 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,387 WARN L623 FunctionHandler]: Unknown extern function acpi_bus_register_driver [2022-12-13 20:23:37,390 WARN L623 FunctionHandler]: Unknown extern function acpi_bus_unregister_driver [2022-12-13 20:23:37,431 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 20:23:37,431 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 20:23:37,432 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 20:23:37,433 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_late_2 [2022-12-13 20:23:37,434 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_restore_early_2 [2022-12-13 20:23:37,434 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_resume_early_2 [2022-12-13 20:23:37,435 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_thaw_early_2 [2022-12-13 20:23:37,435 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_resume_noirq_2 [2022-12-13 20:23:37,435 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_noirq_2 [2022-12-13 20:23:37,436 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_prepare_2 [2022-12-13 20:23:37,436 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_2 [2022-12-13 20:23:37,437 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_late_2 [2022-12-13 20:23:37,437 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_thaw_noirq_2 [2022-12-13 20:23:37,437 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_2 [2022-12-13 20:23:37,438 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_noirq_2 [2022-12-13 20:23:37,438 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_late_2 [2022-12-13 20:23:37,439 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_restore_noirq_2 [2022-12-13 20:23:37,439 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_2 [2022-12-13 20:23:37,440 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_noirq_2 [2022-12-13 20:23:37,440 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_complete_2 [2022-12-13 20:23:37,441 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 20:23:37,441 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 20:23:37,441 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 20:23:37,446 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,446 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,447 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:23:37,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,448 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,449 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,449 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,449 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,452 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_e8b13015-061c-4e52-a8a9-be2c6186377a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2022-12-13 20:23:37,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:23:37,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:23:37,603 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,607 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_integer [2022-12-13 20:23:37,608 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_integer [2022-12-13 20:23:37,610 WARN L623 FunctionHandler]: Unknown extern function acpi_evaluate_object [2022-12-13 20:23:37,611 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:23:37,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,614 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:23:37,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,615 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,616 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,617 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,617 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,618 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,618 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,619 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,620 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,620 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,621 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,621 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,622 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:23:37,623 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,623 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,624 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,624 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,625 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,625 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,625 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,627 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,627 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,635 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 20:23:37,636 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 20:23:37,637 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 20:23:37,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,638 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 20:23:37,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,638 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 20:23:37,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,640 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 20:23:37,640 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,641 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,643 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,643 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:23:37,645 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,648 WARN L623 FunctionHandler]: Unknown extern function rfkill_set_hw_state [2022-12-13 20:23:37,649 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,650 WARN L623 FunctionHandler]: Unknown extern function rfkill_alloc [2022-12-13 20:23:37,651 WARN L623 FunctionHandler]: Unknown extern function rfkill_init_sw_state [2022-12-13 20:23:37,651 WARN L623 FunctionHandler]: Unknown extern function rfkill_init_sw_state [2022-12-13 20:23:37,652 WARN L623 FunctionHandler]: Unknown extern function rfkill_register [2022-12-13 20:23:37,652 WARN L623 FunctionHandler]: Unknown extern function rfkill_destroy [2022-12-13 20:23:37,653 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,653 WARN L623 FunctionHandler]: Unknown extern function rfkill_unregister [2022-12-13 20:23:37,653 WARN L623 FunctionHandler]: Unknown extern function rfkill_destroy [2022-12-13 20:23:37,654 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 20:23:37,655 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 20:23:37,655 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-13 20:23:37,656 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 20:23:37,656 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 20:23:37,656 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-13 20:23:37,656 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 20:23:37,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,658 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_setup [2022-12-13 20:23:37,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,659 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-13 20:23:37,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,660 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_free [2022-12-13 20:23:37,660 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-13 20:23:37,660 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_free [2022-12-13 20:23:37,660 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-13 20:23:37,661 WARN L623 FunctionHandler]: Unknown extern function sparse_keymap_report_event [2022-12-13 20:23:37,664 WARN L623 FunctionHandler]: Unknown extern function backlight_device_register [2022-12-13 20:23:37,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,665 WARN L623 FunctionHandler]: Unknown extern function backlight_device_unregister [2022-12-13 20:23:37,667 WARN L623 FunctionHandler]: Unknown extern function backlight_force_update [2022-12-13 20:23:37,668 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,668 WARN L623 FunctionHandler]: Unknown extern function i8042_command [2022-12-13 20:23:37,670 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,671 WARN L623 FunctionHandler]: Unknown extern function acpi_video_backlight_support [2022-12-13 20:23:37,671 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:23:37,672 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,672 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 20:23:37,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:23:37,673 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 20:23:37,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:23:37,675 WARN L623 FunctionHandler]: Unknown extern function acpi_bus_register_driver [2022-12-13 20:23:37,676 WARN L623 FunctionHandler]: Unknown extern function acpi_bus_unregister_driver [2022-12-13 20:23:37,678 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 20:23:37,679 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 20:23:37,679 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 20:23:37,680 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_late_2 [2022-12-13 20:23:37,680 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_restore_early_2 [2022-12-13 20:23:37,681 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_resume_early_2 [2022-12-13 20:23:37,681 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_thaw_early_2 [2022-12-13 20:23:37,681 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_resume_noirq_2 [2022-12-13 20:23:37,681 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_noirq_2 [2022-12-13 20:23:37,682 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_prepare_2 [2022-12-13 20:23:37,682 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_2 [2022-12-13 20:23:37,682 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_freeze_late_2 [2022-12-13 20:23:37,683 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_thaw_noirq_2 [2022-12-13 20:23:37,683 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_2 [2022-12-13 20:23:37,683 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_noirq_2 [2022-12-13 20:23:37,684 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_poweroff_late_2 [2022-12-13 20:23:37,684 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_restore_noirq_2 [2022-12-13 20:23:37,684 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_2 [2022-12-13 20:23:37,685 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_suspend_noirq_2 [2022-12-13 20:23:37,685 WARN L623 FunctionHandler]: Unknown extern function ldv_ideapad_pm_complete_2 [2022-12-13 20:23:37,685 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 20:23:37,686 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 20:23:37,686 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 20:23:37,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,690 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:23:37,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,690 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:23:37,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:23:37,692 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_e8b13015-061c-4e52-a8a9-be2c6186377a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2022-12-13 20:23:37,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:23:37,742 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:23:37,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37 WrapperNode [2022-12-13 20:23:37,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:23:37,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:23:37,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:23:37,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:23:37,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,823 INFO L138 Inliner]: procedures = 196, calls = 1013, calls flagged for inlining = 91, calls inlined = 82, statements flattened = 2559 [2022-12-13 20:23:37,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:23:37,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:23:37,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:23:37,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:23:37,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:23:37,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:23:37,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:23:37,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:23:37,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (1/1) ... [2022-12-13 20:23:37,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:23:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:23:37,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:23:37,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:23:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 20:23:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2022-12-13 20:23:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2022-12-13 20:23:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-13 20:23:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2022-12-13 20:23:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2022-12-13 20:23:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-12-13 20:23:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-12-13 20:23:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-13 20:23:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2022-12-13 20:23:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2022-12-13 20:23:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2022-12-13 20:23:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2022-12-13 20:23:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2022-12-13 20:23:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2022-12-13 20:23:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2022-12-13 20:23:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2022-12-13 20:23:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2022-12-13 20:23:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2022-12-13 20:23:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:23:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:23:37,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:23:38,313 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:23:38,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:23:48,010 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:23:48,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:23:48,025 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:23:48,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:23:48 BoogieIcfgContainer [2022-12-13 20:23:48,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:23:48,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:23:48,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:23:48,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:23:48,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:23:36" (1/3) ... [2022-12-13 20:23:48,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfcd496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:23:48, skipping insertion in model container [2022-12-13 20:23:48,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:37" (2/3) ... [2022-12-13 20:23:48,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfcd496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:23:48, skipping insertion in model container [2022-12-13 20:23:48,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:23:48" (3/3) ... [2022-12-13 20:23:48,037 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2022-12-13 20:23:48,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:23:48,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:23:48,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:23:48,119 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=PETRI_NET, 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;@2812ea24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:23:48,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:23:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 700 states, 543 states have (on average 1.4548802946593002) internal successors, (790), 562 states have internal predecessors, (790), 116 states have call successors, (116), 39 states have call predecessors, (116), 39 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) [2022-12-13 20:23:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 20:23:48,134 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:48,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:48,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:48,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:48,138 INFO L85 PathProgramCache]: Analyzing trace with hash -750438681, now seen corresponding path program 1 times [2022-12-13 20:23:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628389281] [2022-12-13 20:23:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:48,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:48,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628389281] [2022-12-13 20:23:48,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628389281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:48,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:48,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:48,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331487200] [2022-12-13 20:23:48,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:48,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:48,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:48,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:48,721 INFO L87 Difference]: Start difference. First operand has 700 states, 543 states have (on average 1.4548802946593002) internal successors, (790), 562 states have internal predecessors, (790), 116 states have call successors, (116), 39 states have call predecessors, (116), 39 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:50,768 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 [] [2022-12-13 20:23:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:23:50,939 INFO L93 Difference]: Finished difference Result 2070 states and 3094 transitions. [2022-12-13 20:23:50,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:23:50,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-13 20:23:50,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:23:50,961 INFO L225 Difference]: With dead ends: 2070 [2022-12-13 20:23:50,961 INFO L226 Difference]: Without dead ends: 1369 [2022-12-13 20:23:50,969 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 [2022-12-13 20:23:50,972 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 971 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:23:50,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 2119 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 20:23:50,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-12-13 20:23:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1365. [2022-12-13 20:23:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1365 states, 1063 states have (on average 1.451552210724365) internal successors, (1543), 1091 states have internal predecessors, (1543), 225 states have call successors, (225), 77 states have call predecessors, (225), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:23:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1986 transitions. [2022-12-13 20:23:51,085 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1986 transitions. Word has length 22 [2022-12-13 20:23:51,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:51,086 INFO L495 AbstractCegarLoop]: Abstraction has 1365 states and 1986 transitions. [2022-12-13 20:23:51,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1986 transitions. [2022-12-13 20:23:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:23:51,089 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:51,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:51,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:23:51,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:51,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash 577706747, now seen corresponding path program 1 times [2022-12-13 20:23:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:51,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681858721] [2022-12-13 20:23:51,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:51,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:51,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:51,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681858721] [2022-12-13 20:23:51,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681858721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:51,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:51,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:51,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713924586] [2022-12-13 20:23:51,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:51,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:51,256 INFO L87 Difference]: Start difference. First operand 1365 states and 1986 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:51,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:23:51,337 INFO L93 Difference]: Finished difference Result 1391 states and 2018 transitions. [2022-12-13 20:23:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:23:51,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 20:23:51,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:23:51,343 INFO L225 Difference]: With dead ends: 1391 [2022-12-13 20:23:51,343 INFO L226 Difference]: Without dead ends: 1378 [2022-12-13 20:23:51,344 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 [2022-12-13 20:23:51,345 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 1003 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:23:51,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 1039 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:23:51,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2022-12-13 20:23:51,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1365. [2022-12-13 20:23:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1365 states, 1063 states have (on average 1.4506114769520226) internal successors, (1542), 1091 states have internal predecessors, (1542), 225 states have call successors, (225), 77 states have call predecessors, (225), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:23:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1985 transitions. [2022-12-13 20:23:51,392 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1985 transitions. Word has length 25 [2022-12-13 20:23:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:51,392 INFO L495 AbstractCegarLoop]: Abstraction has 1365 states and 1985 transitions. [2022-12-13 20:23:51,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1985 transitions. [2022-12-13 20:23:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:23:51,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:51,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:51,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:23:51,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 634965049, now seen corresponding path program 1 times [2022-12-13 20:23:51,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:51,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085041827] [2022-12-13 20:23:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:51,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:51,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085041827] [2022-12-13 20:23:51,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085041827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:51,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:51,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:51,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714382195] [2022-12-13 20:23:51,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:51,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:51,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:51,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:51,542 INFO L87 Difference]: Start difference. First operand 1365 states and 1985 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:53,569 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 [] [2022-12-13 20:23:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:23:53,620 INFO L93 Difference]: Finished difference Result 1367 states and 1986 transitions. [2022-12-13 20:23:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:23:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 20:23:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:23:53,625 INFO L225 Difference]: With dead ends: 1367 [2022-12-13 20:23:53,625 INFO L226 Difference]: Without dead ends: 1364 [2022-12-13 20:23:53,626 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 [2022-12-13 20:23:53,626 INFO L413 NwaCegarLoop]: 1005 mSDtfsCounter, 984 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:23:53,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1005 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:23:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2022-12-13 20:23:53,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1364. [2022-12-13 20:23:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1063 states have (on average 1.4496707431796803) internal successors, (1541), 1090 states have internal predecessors, (1541), 224 states have call successors, (224), 77 states have call predecessors, (224), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:23:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1983 transitions. [2022-12-13 20:23:53,685 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1983 transitions. Word has length 25 [2022-12-13 20:23:53,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:53,686 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 1983 transitions. [2022-12-13 20:23:53,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1983 transitions. [2022-12-13 20:23:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 20:23:53,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:53,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:53,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:23:53,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1791173724, now seen corresponding path program 1 times [2022-12-13 20:23:53,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:53,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202459786] [2022-12-13 20:23:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:53,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:53,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:53,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202459786] [2022-12-13 20:23:53,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202459786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:53,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:53,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:53,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912116627] [2022-12-13 20:23:53,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:53,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:53,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:53,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:53,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:53,834 INFO L87 Difference]: Start difference. First operand 1364 states and 1983 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:55,861 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 [] [2022-12-13 20:23:55,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:23:55,905 INFO L93 Difference]: Finished difference Result 1366 states and 1984 transitions. [2022-12-13 20:23:55,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:23:55,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-13 20:23:55,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:23:55,910 INFO L225 Difference]: With dead ends: 1366 [2022-12-13 20:23:55,910 INFO L226 Difference]: Without dead ends: 1363 [2022-12-13 20:23:55,911 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 [2022-12-13 20:23:55,912 INFO L413 NwaCegarLoop]: 1003 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:23:55,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 1003 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:23:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-12-13 20:23:55,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1363. [2022-12-13 20:23:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1063 states have (on average 1.4487300094073376) internal successors, (1540), 1089 states have internal predecessors, (1540), 223 states have call successors, (223), 77 states have call predecessors, (223), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:23:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1981 transitions. [2022-12-13 20:23:55,956 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1981 transitions. Word has length 26 [2022-12-13 20:23:55,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:55,956 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1981 transitions. [2022-12-13 20:23:55,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1981 transitions. [2022-12-13 20:23:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 20:23:55,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:55,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:55,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:23:55,958 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:55,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash 307940508, now seen corresponding path program 1 times [2022-12-13 20:23:55,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:55,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766486688] [2022-12-13 20:23:55,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:56,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766486688] [2022-12-13 20:23:56,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766486688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:56,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:56,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514639595] [2022-12-13 20:23:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:56,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:56,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:56,102 INFO L87 Difference]: Start difference. First operand 1363 states and 1981 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:58,133 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 [] [2022-12-13 20:23:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:23:58,182 INFO L93 Difference]: Finished difference Result 1365 states and 1982 transitions. [2022-12-13 20:23:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:23:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-13 20:23:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:23:58,190 INFO L225 Difference]: With dead ends: 1365 [2022-12-13 20:23:58,190 INFO L226 Difference]: Without dead ends: 1362 [2022-12-13 20:23:58,191 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 [2022-12-13 20:23:58,191 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 978 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:23:58,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1001 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:23:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2022-12-13 20:23:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2022-12-13 20:23:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1063 states have (on average 1.4477892756349953) internal successors, (1539), 1088 states have internal predecessors, (1539), 222 states have call successors, (222), 77 states have call predecessors, (222), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:23:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1979 transitions. [2022-12-13 20:23:58,238 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1979 transitions. Word has length 27 [2022-12-13 20:23:58,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:23:58,238 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 1979 transitions. [2022-12-13 20:23:58,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:23:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1979 transitions. [2022-12-13 20:23:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 20:23:58,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:23:58,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:23:58,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:23:58,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:23:58,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:23:58,241 INFO L85 PathProgramCache]: Analyzing trace with hash 955977127, now seen corresponding path program 1 times [2022-12-13 20:23:58,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:23:58,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114040327] [2022-12-13 20:23:58,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:23:58,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:23:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:23:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:23:58,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:23:58,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114040327] [2022-12-13 20:23:58,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114040327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:23:58,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:23:58,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:23:58,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890420254] [2022-12-13 20:23:58,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:23:58,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:23:58,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:23:58,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:23:58,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:23:58,390 INFO L87 Difference]: Start difference. First operand 1362 states and 1979 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:24:00,423 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 [] [2022-12-13 20:24:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:00,474 INFO L93 Difference]: Finished difference Result 1364 states and 1980 transitions. [2022-12-13 20:24:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 20:24:00,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:00,482 INFO L225 Difference]: With dead ends: 1364 [2022-12-13 20:24:00,482 INFO L226 Difference]: Without dead ends: 1361 [2022-12-13 20:24:00,483 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 [2022-12-13 20:24:00,483 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 975 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:00,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 999 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:24:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2022-12-13 20:24:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1361. [2022-12-13 20:24:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1063 states have (on average 1.4468485418626529) internal successors, (1538), 1087 states have internal predecessors, (1538), 221 states have call successors, (221), 77 states have call predecessors, (221), 76 states have return successors, (218), 210 states have call predecessors, (218), 218 states have call successors, (218) [2022-12-13 20:24:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1977 transitions. [2022-12-13 20:24:00,534 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1977 transitions. Word has length 28 [2022-12-13 20:24:00,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:00,534 INFO L495 AbstractCegarLoop]: Abstraction has 1361 states and 1977 transitions. [2022-12-13 20:24:00,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:24:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1977 transitions. [2022-12-13 20:24:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 20:24:00,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:00,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:00,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:24:00,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:00,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -429719297, now seen corresponding path program 1 times [2022-12-13 20:24:00,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:00,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164892950] [2022-12-13 20:24:00,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:24:00,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:00,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164892950] [2022-12-13 20:24:00,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164892950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:00,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:00,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:24:00,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500549757] [2022-12-13 20:24:00,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:00,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:24:00,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:24:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:00,676 INFO L87 Difference]: Start difference. First operand 1361 states and 1977 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:24:02,706 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 [] [2022-12-13 20:24:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:02,853 INFO L93 Difference]: Finished difference Result 3323 states and 4738 transitions. [2022-12-13 20:24:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:02,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-13 20:24:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:02,863 INFO L225 Difference]: With dead ends: 3323 [2022-12-13 20:24:02,864 INFO L226 Difference]: Without dead ends: 1957 [2022-12-13 20:24:02,869 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 [2022-12-13 20:24:02,869 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 941 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:02,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 1473 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:24:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2022-12-13 20:24:03,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1951. [2022-12-13 20:24:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1486 states have (on average 1.3909825033647376) internal successors, (2067), 1518 states have internal predecessors, (2067), 330 states have call successors, (330), 135 states have call predecessors, (330), 134 states have return successors, (334), 321 states have call predecessors, (334), 328 states have call successors, (334) [2022-12-13 20:24:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2731 transitions. [2022-12-13 20:24:03,039 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2731 transitions. Word has length 29 [2022-12-13 20:24:03,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:03,040 INFO L495 AbstractCegarLoop]: Abstraction has 1951 states and 2731 transitions. [2022-12-13 20:24:03,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:24:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2731 transitions. [2022-12-13 20:24:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 20:24:03,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:03,047 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:03,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:24:03,047 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1443051079, now seen corresponding path program 1 times [2022-12-13 20:24:03,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:03,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487645585] [2022-12-13 20:24:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:03,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 20:24:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:24:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 20:24:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 20:24:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 20:24:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:24:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 20:24:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 20:24:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 20:24:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 20:24:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 20:24:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 20:24:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 20:24:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-12-13 20:24:03,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:03,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487645585] [2022-12-13 20:24:03,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487645585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:03,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:03,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:24:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299643492] [2022-12-13 20:24:03,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:03,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:24:03,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:03,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:24:03,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:24:03,651 INFO L87 Difference]: Start difference. First operand 1951 states and 2731 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 20:24:05,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:07,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:08,802 INFO L93 Difference]: Finished difference Result 4706 states and 6695 transitions. [2022-12-13 20:24:08,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:08,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 207 [2022-12-13 20:24:08,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:08,817 INFO L225 Difference]: With dead ends: 4706 [2022-12-13 20:24:08,817 INFO L226 Difference]: Without dead ends: 2758 [2022-12-13 20:24:08,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:08,822 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 730 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 311 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:08,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 2460 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 428 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 20:24:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2022-12-13 20:24:08,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2651. [2022-12-13 20:24:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2068 states have (on average 1.4361702127659575) internal successors, (2970), 2102 states have internal predecessors, (2970), 410 states have call successors, (410), 173 states have call predecessors, (410), 172 states have return successors, (414), 401 states have call predecessors, (414), 408 states have call successors, (414) [2022-12-13 20:24:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3794 transitions. [2022-12-13 20:24:08,937 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3794 transitions. Word has length 207 [2022-12-13 20:24:08,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:08,937 INFO L495 AbstractCegarLoop]: Abstraction has 2651 states and 3794 transitions. [2022-12-13 20:24:08,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 20:24:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3794 transitions. [2022-12-13 20:24:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 20:24:08,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:08,944 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:08,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:24:08,944 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:08,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 359231920, now seen corresponding path program 1 times [2022-12-13 20:24:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:08,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434997737] [2022-12-13 20:24:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:08,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 20:24:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 20:24:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 20:24:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 20:24:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 20:24:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:24:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 20:24:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 20:24:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 20:24:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-12-13 20:24:09,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:09,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434997737] [2022-12-13 20:24:09,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434997737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:09,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:09,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:24:09,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235154919] [2022-12-13 20:24:09,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:09,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:24:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:09,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:24:09,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:09,639 INFO L87 Difference]: Start difference. First operand 2651 states and 3794 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 20:24:11,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:13,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:14,895 INFO L93 Difference]: Finished difference Result 5430 states and 7806 transitions. [2022-12-13 20:24:14,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:14,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 225 [2022-12-13 20:24:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:14,906 INFO L225 Difference]: With dead ends: 5430 [2022-12-13 20:24:14,906 INFO L226 Difference]: Without dead ends: 2782 [2022-12-13 20:24:14,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:14,913 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 96 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 118 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 3850 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:14,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 3850 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 778 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 20:24:14,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2022-12-13 20:24:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2667. [2022-12-13 20:24:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2080 states have (on average 1.4336538461538462) internal successors, (2982), 2116 states have internal predecessors, (2982), 412 states have call successors, (412), 173 states have call predecessors, (412), 174 states have return successors, (418), 403 states have call predecessors, (418), 410 states have call successors, (418) [2022-12-13 20:24:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3812 transitions. [2022-12-13 20:24:15,026 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3812 transitions. Word has length 225 [2022-12-13 20:24:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:15,027 INFO L495 AbstractCegarLoop]: Abstraction has 2667 states and 3812 transitions. [2022-12-13 20:24:15,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 20:24:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3812 transitions. [2022-12-13 20:24:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-12-13 20:24:15,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:15,033 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:15,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:24:15,033 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:15,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1388223033, now seen corresponding path program 1 times [2022-12-13 20:24:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:15,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53074307] [2022-12-13 20:24:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 20:24:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 20:24:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 20:24:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 20:24:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 20:24:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 20:24:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 20:24:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 20:24:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-13 20:24:15,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:15,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53074307] [2022-12-13 20:24:15,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53074307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:15,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:15,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:24:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090845716] [2022-12-13 20:24:15,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:15,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:24:15,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:15,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:24:15,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:15,609 INFO L87 Difference]: Start difference. First operand 2667 states and 3812 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 20:24:17,640 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 [] [2022-12-13 20:24:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:18,645 INFO L93 Difference]: Finished difference Result 5466 states and 7850 transitions. [2022-12-13 20:24:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 235 [2022-12-13 20:24:18,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:18,655 INFO L225 Difference]: With dead ends: 5466 [2022-12-13 20:24:18,655 INFO L226 Difference]: Without dead ends: 2802 [2022-12-13 20:24:18,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:18,672 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 96 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:18,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 3873 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 783 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 20:24:18,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2022-12-13 20:24:18,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2677. [2022-12-13 20:24:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2088 states have (on average 1.431992337164751) internal successors, (2990), 2126 states have internal predecessors, (2990), 414 states have call successors, (414), 173 states have call predecessors, (414), 174 states have return successors, (420), 405 states have call predecessors, (420), 412 states have call successors, (420) [2022-12-13 20:24:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3824 transitions. [2022-12-13 20:24:18,783 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3824 transitions. Word has length 235 [2022-12-13 20:24:18,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:18,784 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3824 transitions. [2022-12-13 20:24:18,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 20:24:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3824 transitions. [2022-12-13 20:24:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-13 20:24:18,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:18,798 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:18,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:24:18,798 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:18,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:18,798 INFO L85 PathProgramCache]: Analyzing trace with hash -545360257, now seen corresponding path program 1 times [2022-12-13 20:24:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:18,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709668789] [2022-12-13 20:24:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:18,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:24:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:24:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:24:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 20:24:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 20:24:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 20:24:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 20:24:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 20:24:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 20:24:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 20:24:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-13 20:24:19,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:19,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709668789] [2022-12-13 20:24:19,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709668789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:19,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:19,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:24:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339680836] [2022-12-13 20:24:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:19,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:24:19,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:19,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:24:19,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:19,447 INFO L87 Difference]: Start difference. First operand 2677 states and 3824 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 20:24:21,475 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 [] [2022-12-13 20:24:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:22,365 INFO L93 Difference]: Finished difference Result 5490 states and 7882 transitions. [2022-12-13 20:24:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 258 [2022-12-13 20:24:22,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:22,374 INFO L225 Difference]: With dead ends: 5490 [2022-12-13 20:24:22,374 INFO L226 Difference]: Without dead ends: 2816 [2022-12-13 20:24:22,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:22,381 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 181 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 230 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 3291 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:22,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 3291 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 561 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 20:24:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2022-12-13 20:24:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2687. [2022-12-13 20:24:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2687 states, 2096 states have (on average 1.4303435114503817) internal successors, (2998), 2136 states have internal predecessors, (2998), 416 states have call successors, (416), 173 states have call predecessors, (416), 174 states have return successors, (422), 407 states have call predecessors, (422), 414 states have call successors, (422) [2022-12-13 20:24:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 3836 transitions. [2022-12-13 20:24:22,487 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 3836 transitions. Word has length 258 [2022-12-13 20:24:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:22,488 INFO L495 AbstractCegarLoop]: Abstraction has 2687 states and 3836 transitions. [2022-12-13 20:24:22,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 20:24:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3836 transitions. [2022-12-13 20:24:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-12-13 20:24:22,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:22,495 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:22,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:24:22,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:22,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1768664024, now seen corresponding path program 1 times [2022-12-13 20:24:22,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:22,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097043711] [2022-12-13 20:24:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:24:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:24:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:24:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 20:24:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 20:24:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 20:24:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 20:24:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:24:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 20:24:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 20:24:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-13 20:24:23,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:23,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097043711] [2022-12-13 20:24:23,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097043711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:23,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:23,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:24:23,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680777074] [2022-12-13 20:24:23,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:23,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:24:23,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:23,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:24:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:24:23,169 INFO L87 Difference]: Start difference. First operand 2687 states and 3836 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 20:24:25,203 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 [] [2022-12-13 20:24:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:26,097 INFO L93 Difference]: Finished difference Result 5606 states and 8066 transitions. [2022-12-13 20:24:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:24:26,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 262 [2022-12-13 20:24:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:26,106 INFO L225 Difference]: With dead ends: 5606 [2022-12-13 20:24:26,106 INFO L226 Difference]: Without dead ends: 2922 [2022-12-13 20:24:26,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:24:26,111 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 116 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 126 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 3001 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:26,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 3001 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 648 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 20:24:26,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-12-13 20:24:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2695. [2022-12-13 20:24:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2104 states have (on average 1.4287072243346008) internal successors, (3006), 2144 states have internal predecessors, (3006), 416 states have call successors, (416), 173 states have call predecessors, (416), 174 states have return successors, (422), 407 states have call predecessors, (422), 414 states have call successors, (422) [2022-12-13 20:24:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3844 transitions. [2022-12-13 20:24:26,246 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3844 transitions. Word has length 262 [2022-12-13 20:24:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:26,246 INFO L495 AbstractCegarLoop]: Abstraction has 2695 states and 3844 transitions. [2022-12-13 20:24:26,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 20:24:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3844 transitions. [2022-12-13 20:24:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 20:24:26,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:26,254 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 20:24:26,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 20:24:26,254 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:26,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:26,255 INFO L85 PathProgramCache]: Analyzing trace with hash -444655922, now seen corresponding path program 1 times [2022-12-13 20:24:26,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:26,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024323307] [2022-12-13 20:24:26,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:26,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:24:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:24:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:24:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 20:24:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 20:24:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 20:24:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 20:24:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 20:24:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 20:24:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 20:24:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 20:24:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-13 20:24:26,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:26,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024323307] [2022-12-13 20:24:26,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024323307] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:24:26,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072893411] [2022-12-13 20:24:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:26,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:24:26,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:24:26,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:24:26,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:24:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:27,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 4568 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:24:27,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:24:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-13 20:24:27,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:24:27,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072893411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:27,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:24:27,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-13 20:24:27,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306200825] [2022-12-13 20:24:27,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:27,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:24:27,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:27,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:24:27,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:27,907 INFO L87 Difference]: Start difference. First operand 2695 states and 3844 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 20:24:29,930 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 [] [2022-12-13 20:24:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:30,055 INFO L93 Difference]: Finished difference Result 3502 states and 4842 transitions. [2022-12-13 20:24:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:30,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 271 [2022-12-13 20:24:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:30,062 INFO L225 Difference]: With dead ends: 3502 [2022-12-13 20:24:30,062 INFO L226 Difference]: Without dead ends: 2683 [2022-12-13 20:24:30,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:30,065 INFO L413 NwaCegarLoop]: 1358 mSDtfsCounter, 403 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:30,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 2301 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 20:24:30,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2022-12-13 20:24:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2667. [2022-12-13 20:24:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2088 states have (on average 1.4295977011494252) internal successors, (2985), 2122 states have internal predecessors, (2985), 408 states have call successors, (408), 172 states have call predecessors, (408), 170 states have return successors, (406), 398 states have call predecessors, (406), 406 states have call successors, (406) [2022-12-13 20:24:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3799 transitions. [2022-12-13 20:24:30,163 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3799 transitions. Word has length 271 [2022-12-13 20:24:30,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:30,164 INFO L495 AbstractCegarLoop]: Abstraction has 2667 states and 3799 transitions. [2022-12-13 20:24:30,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 20:24:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3799 transitions. [2022-12-13 20:24:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-12-13 20:24:30,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:30,175 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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] [2022-12-13 20:24:30,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:24:30,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 20:24:30,376 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:30,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1405236378, now seen corresponding path program 1 times [2022-12-13 20:24:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:30,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697443016] [2022-12-13 20:24:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:24:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:24:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:24:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 20:24:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 20:24:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 20:24:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 20:24:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 20:24:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 20:24:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 20:24:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 20:24:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 20:24:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 20:24:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-12-13 20:24:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 20:24:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 20:24:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-12-13 20:24:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 20:24:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-12-13 20:24:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 20:24:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 20:24:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-12-13 20:24:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-12-13 20:24:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-12-13 20:24:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-12-13 20:24:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-12-13 20:24:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-12-13 20:24:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-12-13 20:24:31,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:31,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697443016] [2022-12-13 20:24:31,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697443016] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:24:31,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83559813] [2022-12-13 20:24:31,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:24:31,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:24:31,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:24:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:24:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:32,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 7086 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:24:32,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:24:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 361 proven. 1 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-12-13 20:24:32,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:24:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-12-13 20:24:32,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83559813] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:24:32,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:24:32,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2022-12-13 20:24:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705400453] [2022-12-13 20:24:32,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:24:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:24:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:24:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:24:32,897 INFO L87 Difference]: Start difference. First operand 2667 states and 3799 transitions. Second operand has 8 states, 8 states have (on average 30.25) internal successors, (242), 6 states have internal predecessors, (242), 5 states have call successors, (91), 4 states have call predecessors, (91), 2 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2022-12-13 20:24:34,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:36,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:24:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:38,257 INFO L93 Difference]: Finished difference Result 5693 states and 8187 transitions. [2022-12-13 20:24:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:24:38,258 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 30.25) internal successors, (242), 6 states have internal predecessors, (242), 5 states have call successors, (91), 4 states have call predecessors, (91), 2 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) Word has length 497 [2022-12-13 20:24:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:38,267 INFO L225 Difference]: With dead ends: 5693 [2022-12-13 20:24:38,267 INFO L226 Difference]: Without dead ends: 3029 [2022-12-13 20:24:38,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1114 GetRequests, 1107 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:24:38,274 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 184 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 148 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 4646 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:38,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 4646 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 976 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 20:24:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-12-13 20:24:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2923. [2022-12-13 20:24:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2272 states have (on average 1.4159330985915493) internal successors, (3217), 2306 states have internal predecessors, (3217), 480 states have call successors, (480), 172 states have call predecessors, (480), 170 states have return successors, (478), 470 states have call predecessors, (478), 478 states have call successors, (478) [2022-12-13 20:24:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 4175 transitions. [2022-12-13 20:24:38,411 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 4175 transitions. Word has length 497 [2022-12-13 20:24:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:38,412 INFO L495 AbstractCegarLoop]: Abstraction has 2923 states and 4175 transitions. [2022-12-13 20:24:38,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.25) internal successors, (242), 6 states have internal predecessors, (242), 5 states have call successors, (91), 4 states have call predecessors, (91), 2 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2022-12-13 20:24:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 4175 transitions. [2022-12-13 20:24:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-12-13 20:24:38,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:38,424 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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] [2022-12-13 20:24:38,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:24:38,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 20:24:38,627 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash 208799770, now seen corresponding path program 2 times [2022-12-13 20:24:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:38,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068791858] [2022-12-13 20:24:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:38,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 20:24:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:24:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:24:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:24:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:24:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:24:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:24:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:24:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:24:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 20:24:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 20:24:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:24:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 20:24:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 20:24:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 20:24:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 20:24:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 20:24:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:24:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 20:24:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 20:24:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:24:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 20:24:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 20:24:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-12-13 20:24:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 20:24:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-12-13 20:24:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 20:24:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 20:24:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-12-13 20:24:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 20:24:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-12-13 20:24:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-12-13 20:24:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-12-13 20:24:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:24:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-12-13 20:24:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-12-13 20:24:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-12-13 20:24:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:24:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-12-13 20:24:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 121 proven. 14 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2022-12-13 20:24:39,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068791858] [2022-12-13 20:24:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068791858] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:24:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801704918] [2022-12-13 20:24:39,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 20:24:39,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:24:39,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:24:39,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:24:39,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b13015-061c-4e52-a8a9-be2c6186377a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process