./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/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_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/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_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- 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 18:18:19,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:18:19,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:18:19,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:18:19,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:18:19,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:18:19,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:18:19,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:18:19,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:18:19,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:18:19,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:18:19,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:18:19,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:18:19,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:18:19,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:18:19,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:18:19,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:18:19,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:18:19,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:18:19,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:18:19,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:18:19,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:18:19,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:18:19,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:18:19,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:18:19,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:18:19,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:18:19,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:18:19,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:18:19,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:18:19,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:18:19,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:18:19,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:18:19,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:18:19,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:18:19,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:18:19,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:18:19,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:18:19,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:18:19,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:18:19,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:18:19,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:18:19,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:18:19,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:18:19,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:18:19,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:18:19,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:18:19,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:18:19,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:18:19,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:18:19,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:18:19,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:18:19,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:19,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:18:19,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:18:19,392 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:18:19,392 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_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-12-13 18:18:19,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:18:19,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:18:19,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:18:19,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:18:19,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:18:19,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 18:18:22,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:18:22,547 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:18:22,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 18:18:22,572 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/data/3d567d769/c69784b19636462287e9ad82b083cec4/FLAG4b702f5e8 [2022-12-13 18:18:22,583 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/data/3d567d769/c69784b19636462287e9ad82b083cec4 [2022-12-13 18:18:22,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:18:22,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:18:22,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:22,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:18:22,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:18:22,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:22" (1/1) ... [2022-12-13 18:18:22,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a16279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:22, skipping insertion in model container [2022-12-13 18:18:22,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:22" (1/1) ... [2022-12-13 18:18:22,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:18:22,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:18:23,034 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:18:23,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 18:18:23,196 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 18:18:23,198 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 18:18:23,208 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 18:18:23,230 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 18:18:23,260 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 18:18:23,270 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-13 18:18:23,287 WARN L623 FunctionHandler]: Unknown extern function __gpio_set_value [2022-12-13 18:18:23,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,323 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 18:18:23,328 WARN L623 FunctionHandler]: Unknown extern function i2c_master_send [2022-12-13 18:18:23,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,329 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 18:18:23,330 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 18:18:23,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,331 WARN L623 FunctionHandler]: Unknown extern function i2c_master_recv [2022-12-13 18:18:23,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,342 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 18:18:23,346 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-12-13 18:18:23,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,347 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 18:18:23,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,349 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-12-13 18:18:23,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,356 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-12-13 18:18:23,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,360 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,362 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,365 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 18:18:23,366 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 18:18:23,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,404 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,409 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,410 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,414 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,416 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,416 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,420 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,424 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,452 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,454 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,460 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,464 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,474 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,474 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,502 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,508 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 18:18:23,508 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 18:18:23,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,525 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,527 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,531 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,533 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,545 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,545 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,546 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,546 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,547 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,547 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,547 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,548 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,548 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,548 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,549 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,549 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,550 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,550 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,550 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,552 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,552 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,556 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,557 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,564 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,565 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,569 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,572 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,579 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,583 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,584 WARN L623 FunctionHandler]: Unknown extern function gpio_request [2022-12-13 18:18:23,585 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,585 WARN L623 FunctionHandler]: Unknown extern function gpio_direction_output [2022-12-13 18:18:23,586 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_get [2022-12-13 18:18:23,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,587 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_subdev_init [2022-12-13 18:18:23,587 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:18:23,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,589 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_free [2022-12-13 18:18:23,590 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-13 18:18:23,590 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,593 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister_subdev [2022-12-13 18:18:23,594 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_free [2022-12-13 18:18:23,594 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-13 18:18:23,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,601 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-13 18:18:23,613 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 18:18:23,617 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 18:18:23,617 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 18:18:23,618 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 18:18:23,618 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-13 18:18:23,619 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-13 18:18:23,620 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 18:18:23,621 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 18:18:23,626 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_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-12-13 18:18:23,636 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 18:18:23,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:23,659 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:18:23,710 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:18:23,711 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 18:18:23,715 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 18:18:23,716 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 18:18:23,717 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 18:18:23,718 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 18:18:23,718 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 18:18:23,719 WARN L623 FunctionHandler]: Unknown extern function i2c_register_driver [2022-12-13 18:18:23,720 WARN L623 FunctionHandler]: Unknown extern function __gpio_set_value [2022-12-13 18:18:23,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,724 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 18:18:23,725 WARN L623 FunctionHandler]: Unknown extern function i2c_master_send [2022-12-13 18:18:23,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,726 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 18:18:23,726 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 18:18:23,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,726 WARN L623 FunctionHandler]: Unknown extern function i2c_master_recv [2022-12-13 18:18:23,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,730 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 18:18:23,731 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_enable [2022-12-13 18:18:23,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,732 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 18:18:23,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,734 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-12-13 18:18:23,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,736 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_disable [2022-12-13 18:18:23,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,738 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,739 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,740 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-13 18:18:23,740 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 18:18:23,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,753 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,753 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,754 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,755 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,757 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,757 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,758 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,760 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,760 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,768 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,769 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,771 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,773 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,774 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,780 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,782 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,782 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 18:18:23,782 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 18:18:23,783 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,786 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,787 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,788 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,789 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,793 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,793 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,793 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,793 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,795 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,795 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,795 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,797 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,797 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,797 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,797 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,798 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_query_fill [2022-12-13 18:18:23,799 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,800 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,802 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,803 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,804 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:18:23,804 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,805 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,807 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,810 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 18:18:23,810 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 18:18:23,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,812 WARN L623 FunctionHandler]: Unknown extern function gpio_request [2022-12-13 18:18:23,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,812 WARN L623 FunctionHandler]: Unknown extern function gpio_direction_output [2022-12-13 18:18:23,813 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_get [2022-12-13 18:18:23,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:18:23,814 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_subdev_init [2022-12-13 18:18:23,814 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:18:23,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:18:23,816 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_free [2022-12-13 18:18:23,816 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-13 18:18:23,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,817 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister_subdev [2022-12-13 18:18:23,817 WARN L623 FunctionHandler]: Unknown extern function regulator_bulk_free [2022-12-13 18:18:23,818 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-13 18:18:23,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:18:23,819 WARN L623 FunctionHandler]: Unknown extern function i2c_del_driver [2022-12-13 18:18:23,823 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 18:18:23,825 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 18:18:23,826 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 18:18:23,827 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 18:18:23,827 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-13 18:18:23,828 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-13 18:18:23,829 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 18:18:23,829 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 18:18:23,829 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_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-12-13 18:18:23,831 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 18:18:23,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:23,911 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:18:23,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23 WrapperNode [2022-12-13 18:18:23,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:23,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:23,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:18:23,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:18:23,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:23,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,041 INFO L138 Inliner]: procedures = 159, calls = 1227, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 3181 [2022-12-13 18:18:24,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:24,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:18:24,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:18:24,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:18:24,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:18:24,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:18:24,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:18:24,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:18:24,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (1/1) ... [2022-12-13 18:18:24,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:18:24,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:18:24,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:18:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-12-13 18:18:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 18:18:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 18:18:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-12-13 18:18:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-12-13 18:18:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-12-13 18:18:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 18:18:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-12-13 18:18:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-12-13 18:18:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-12-13 18:18:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 18:18:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 18:18:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-12-13 18:18:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:18:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-12-13 18:18:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 18:18:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:18:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-12-13 18:18:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:18:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-12-13 18:18:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-12-13 18:18:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-12-13 18:18:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-12-13 18:18:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-12-13 18:18:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-12-13 18:18:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-12-13 18:18:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 18:18:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 18:18:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:18:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:18:24,670 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:18:24,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:18:24,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 18:18:27,974 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:18:27,989 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:18:27,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:18:27,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:27 BoogieIcfgContainer [2022-12-13 18:18:27,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:18:27,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:18:27,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:18:27,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:18:27,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:18:22" (1/3) ... [2022-12-13 18:18:27,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e9ea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:27, skipping insertion in model container [2022-12-13 18:18:27,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:23" (2/3) ... [2022-12-13 18:18:28,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e9ea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:27, skipping insertion in model container [2022-12-13 18:18:28,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:27" (3/3) ... [2022-12-13 18:18:28,001 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-13 18:18:28,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:18:28,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:18:28,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:18:28,089 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;@11fc22bf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:18:28,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:18:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 1095 states, 826 states have (on average 1.4213075060532687) internal successors, (1174), 842 states have internal predecessors, (1174), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-12-13 18:18:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 18:18:28,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:28,125 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:28,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:18:28,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:28,131 INFO L85 PathProgramCache]: Analyzing trace with hash -12450322, now seen corresponding path program 1 times [2022-12-13 18:18:28,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:18:28,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516740238] [2022-12-13 18:18:28,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:28,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:18:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:18:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:18:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:18:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 18:18:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 18:18:28,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:18:28,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516740238] [2022-12-13 18:18:28,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516740238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:18:28,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:18:28,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:18:28,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924015105] [2022-12-13 18:18:28,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:18:28,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:18:28,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:18:28,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:18:28,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:18:28,661 INFO L87 Difference]: Start difference. First operand has 1095 states, 826 states have (on average 1.4213075060532687) internal successors, (1174), 842 states have internal predecessors, (1174), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:18:33,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:35,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:35,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:18:35,880 INFO L93 Difference]: Finished difference Result 2265 states and 3351 transitions. [2022-12-13 18:18:35,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:18:35,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 94 [2022-12-13 18:18:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:18:35,896 INFO L225 Difference]: With dead ends: 2265 [2022-12-13 18:18:35,896 INFO L226 Difference]: Without dead ends: 1157 [2022-12-13 18:18:35,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:18:35,905 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 548 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:18:35,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 3550 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 18:18:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-12-13 18:18:35,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1078. [2022-12-13 18:18:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 818 states have (on average 1.4107579462102688) internal successors, (1154), 825 states have internal predecessors, (1154), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-12-13 18:18:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1572 transitions. [2022-12-13 18:18:35,986 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1572 transitions. Word has length 94 [2022-12-13 18:18:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:18:35,986 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1572 transitions. [2022-12-13 18:18:35,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:18:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1572 transitions. [2022-12-13 18:18:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 18:18:35,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:35,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:35,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:18:35,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:18:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1932333964, now seen corresponding path program 1 times [2022-12-13 18:18:35,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:18:35,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977295127] [2022-12-13 18:18:35,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:18:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:18:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:18:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:18:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 18:18:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 18:18:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:18:36,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977295127] [2022-12-13 18:18:36,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977295127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:18:36,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:18:36,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:18:36,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280564977] [2022-12-13 18:18:36,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:18:36,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:18:36,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:18:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:18:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:18:36,234 INFO L87 Difference]: Start difference. First operand 1078 states and 1572 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:18:39,336 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 18:18:41,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:44,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:46,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:46,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:18:46,193 INFO L93 Difference]: Finished difference Result 2717 states and 3948 transitions. [2022-12-13 18:18:46,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:18:46,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 94 [2022-12-13 18:18:46,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:18:46,200 INFO L225 Difference]: With dead ends: 2717 [2022-12-13 18:18:46,200 INFO L226 Difference]: Without dead ends: 1651 [2022-12-13 18:18:46,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:18:46,204 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 1498 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 752 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 3948 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-13 18:18:46,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 3948 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 1684 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-12-13 18:18:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-12-13 18:18:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1521. [2022-12-13 18:18:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1154 states have (on average 1.3960138648180243) internal successors, (1611), 1166 states have internal predecessors, (1611), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-12-13 18:18:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2183 transitions. [2022-12-13 18:18:46,254 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2183 transitions. Word has length 94 [2022-12-13 18:18:46,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:18:46,255 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2183 transitions. [2022-12-13 18:18:46,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:18:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2183 transitions. [2022-12-13 18:18:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 18:18:46,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:46,260 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-12-13 18:18:46,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:18:46,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:18:46,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash 764206932, now seen corresponding path program 1 times [2022-12-13 18:18:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:18:46,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872440912] [2022-12-13 18:18:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:18:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:18:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:18:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:18:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:18:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:18:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:18:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:18:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:18:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:18:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:18:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:18:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:18:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:18:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 18:18:47,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:18:47,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872440912] [2022-12-13 18:18:47,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872440912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:18:47,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:18:47,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 18:18:47,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621963688] [2022-12-13 18:18:47,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:18:47,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 18:18:47,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:18:47,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 18:18:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:18:47,388 INFO L87 Difference]: Start difference. First operand 1521 states and 2183 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 18:18:51,605 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 18:18:55,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:57,100 WARN L539 Checker$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 18:18:58,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:18:59,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:19:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:06,226 INFO L93 Difference]: Finished difference Result 3887 states and 5568 transitions. [2022-12-13 18:19:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 18:19:06,226 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 222 [2022-12-13 18:19:06,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:06,235 INFO L225 Difference]: With dead ends: 3887 [2022-12-13 18:19:06,235 INFO L226 Difference]: Without dead ends: 2382 [2022-12-13 18:19:06,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-13 18:19:06,240 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 1319 mSDsluCounter, 9596 mSDsCounter, 0 mSdLazyCounter, 7390 mSolverCounterSat, 781 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 11050 SdHoareTripleChecker+Invalid, 8173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 7390 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:06,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 11050 Invalid, 8173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [781 Valid, 7390 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2022-12-13 18:19:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-12-13 18:19:06,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2238. [2022-12-13 18:19:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 1691 states have (on average 1.384387936132466) internal successors, (2341), 1718 states have internal predecessors, (2341), 404 states have call successors, (404), 132 states have call predecessors, (404), 142 states have return successors, (457), 398 states have call predecessors, (457), 404 states have call successors, (457) [2022-12-13 18:19:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3202 transitions. [2022-12-13 18:19:06,314 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3202 transitions. Word has length 222 [2022-12-13 18:19:06,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:06,315 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 3202 transitions. [2022-12-13 18:19:06,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 18:19:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3202 transitions. [2022-12-13 18:19:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 18:19:06,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:06,331 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-12-13 18:19:06,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:19:06,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:06,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:06,332 INFO L85 PathProgramCache]: Analyzing trace with hash 111705651, now seen corresponding path program 1 times [2022-12-13 18:19:06,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:06,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974924848] [2022-12-13 18:19:06,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:19:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:19:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:19:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:19:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:19:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:19:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:19:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:19:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:19:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:19:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 18:19:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 18:19:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-12-13 18:19:06,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:06,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974924848] [2022-12-13 18:19:06,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974924848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:06,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:06,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:19:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452495062] [2022-12-13 18:19:06,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:06,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:19:06,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:06,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:19:06,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:19:06,881 INFO L87 Difference]: Start difference. First operand 2238 states and 3202 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 18:19:10,890 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 18:19:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:12,994 INFO L93 Difference]: Finished difference Result 2359 states and 3370 transitions. [2022-12-13 18:19:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:19:12,994 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 244 [2022-12-13 18:19:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:13,002 INFO L225 Difference]: With dead ends: 2359 [2022-12-13 18:19:13,002 INFO L226 Difference]: Without dead ends: 2357 [2022-12-13 18:19:13,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:19:13,004 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 625 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 521 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 5089 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:13,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 5089 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1950 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 18:19:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2022-12-13 18:19:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2242. [2022-12-13 18:19:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1694 states have (on average 1.3831168831168832) internal successors, (2343), 1721 states have internal predecessors, (2343), 404 states have call successors, (404), 133 states have call predecessors, (404), 143 states have return successors, (457), 398 states have call predecessors, (457), 404 states have call successors, (457) [2022-12-13 18:19:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3204 transitions. [2022-12-13 18:19:13,071 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3204 transitions. Word has length 244 [2022-12-13 18:19:13,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:13,071 INFO L495 AbstractCegarLoop]: Abstraction has 2242 states and 3204 transitions. [2022-12-13 18:19:13,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 18:19:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3204 transitions. [2022-12-13 18:19:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 18:19:13,078 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:13,078 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:13,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:19:13,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:13,079 INFO L85 PathProgramCache]: Analyzing trace with hash -143769766, now seen corresponding path program 1 times [2022-12-13 18:19:13,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:13,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509546411] [2022-12-13 18:19:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:19:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:19:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:19:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:19:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:19:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:19:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:19:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:19:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:19:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:19:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 18:19:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:19:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 18:19:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 107 proven. 20 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2022-12-13 18:19:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509546411] [2022-12-13 18:19:15,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509546411] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:19:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573201495] [2022-12-13 18:19:15,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:15,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:15,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:19:15,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:19:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:16,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 69 conjunts are in the unsatisfiable core [2022-12-13 18:19:16,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:19:16,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 18:19:16,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:19:16,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,725 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 18:19:16,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 18:19:16,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:19:16,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,857 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 18:19:16,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 18:19:16,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:19:16,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:19:16,977 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 18:19:16,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 18:19:16,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:19:17,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-13 18:19:17,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:19:17,215 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 18:19:17,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 18:19:17,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-13 18:19:17,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-13 18:19:17,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-13 18:19:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 263 proven. 63 refuted. 9 times theorem prover too weak. 303 trivial. 0 not checked. [2022-12-13 18:19:17,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:20:02,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573201495] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:20:02,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:20:02,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24] total 40 [2022-12-13 18:20:02,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045613676] [2022-12-13 18:20:02,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:20:02,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 18:20:02,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:02,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 18:20:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1729, Unknown=33, NotChecked=0, Total=1892 [2022-12-13 18:20:02,445 INFO L87 Difference]: Start difference. First operand 2242 states and 3204 transitions. Second operand has 40 states, 39 states have (on average 4.3076923076923075) internal successors, (168), 30 states have internal predecessors, (168), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) [2022-12-13 18:20:47,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:20:58,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:21:11,569 WARN L539 Checker$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 18:21:13,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:21:15,584 WARN L539 Checker$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 18:21:16,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:18,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:20,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:21,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:44,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:45,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:47,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:49,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:21:51,658 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 18:22:38,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:38,281 INFO L93 Difference]: Finished difference Result 14541 states and 22138 transitions. [2022-12-13 18:22:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-12-13 18:22:38,281 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 4.3076923076923075) internal successors, (168), 30 states have internal predecessors, (168), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) Word has length 243 [2022-12-13 18:22:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:38,324 INFO L225 Difference]: With dead ends: 14541 [2022-12-13 18:22:38,324 INFO L226 Difference]: Without dead ends: 12315 [2022-12-13 18:22:38,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 365 SyntacticMatches, 6 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7852 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=2751, Invalid=23284, Unknown=47, NotChecked=0, Total=26082 [2022-12-13 18:22:38,335 INFO L413 NwaCegarLoop]: 4126 mSDtfsCounter, 13986 mSDsluCounter, 83241 mSDsCounter, 0 mSdLazyCounter, 75623 mSolverCounterSat, 11424 mSolverCounterUnsat, 625 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 140.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14065 SdHoareTripleChecker+Valid, 87367 SdHoareTripleChecker+Invalid, 87672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 11424 IncrementalHoareTripleChecker+Valid, 75623 IncrementalHoareTripleChecker+Invalid, 625 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:38,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14065 Valid, 87367 Invalid, 87672 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [11424 Valid, 75623 Invalid, 625 Unknown, 0 Unchecked, 148.0s Time] [2022-12-13 18:22:38,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12315 states. [2022-12-13 18:22:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12315 to 5185. [2022-12-13 18:22:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 3893 states have (on average 1.376830208065759) internal successors, (5360), 4011 states have internal predecessors, (5360), 907 states have call successors, (907), 388 states have call predecessors, (907), 384 states have return successors, (1063), 794 states have call predecessors, (1063), 907 states have call successors, (1063) [2022-12-13 18:22:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7330 transitions. [2022-12-13 18:22:38,682 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7330 transitions. Word has length 243 [2022-12-13 18:22:38,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:38,682 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7330 transitions. [2022-12-13 18:22:38,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 4.3076923076923075) internal successors, (168), 30 states have internal predecessors, (168), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) [2022-12-13 18:22:38,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7330 transitions. [2022-12-13 18:22:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 18:22:38,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:38,697 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-13 18:22:38,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:22:38,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:38,898 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:22:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1182360973, now seen corresponding path program 1 times [2022-12-13 18:22:38,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:38,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087044198] [2022-12-13 18:22:38,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:22:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:22:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:22:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:22:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:22:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:22:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:22:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:22:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:22:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:22:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:22:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:22:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:22:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 18:22:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 18:22:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 18:22:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:22:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 71 proven. 58 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2022-12-13 18:22:41,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:22:41,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087044198] [2022-12-13 18:22:41,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087044198] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:41,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763900506] [2022-12-13 18:22:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:22:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:41,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:22:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:22:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:41,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2135 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-13 18:22:41,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:42,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-13 18:22:42,530 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-12-13 18:22:42,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 32 [2022-12-13 18:22:42,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-13 18:22:42,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-13 18:22:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 104 proven. 62 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 18:22:42,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:22:57,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763900506] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:22:57,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:22:57,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2022-12-13 18:22:57,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823649699] [2022-12-13 18:22:57,318 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:22:57,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 18:22:57,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:22:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 18:22:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1496, Unknown=6, NotChecked=0, Total=1640 [2022-12-13 18:22:57,321 INFO L87 Difference]: Start difference. First operand 5185 states and 7330 transitions. Second operand has 37 states, 36 states have (on average 5.0) internal successors, (180), 28 states have internal predecessors, (180), 15 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (40), 20 states have call predecessors, (40), 15 states have call successors, (40) [2022-12-13 18:23:16,227 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 [0] [2022-12-13 18:23:29,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:35,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:42,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:44,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:46,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:48,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:50,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:23:52,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:00,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:03,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:05,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:07,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:09,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:11,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:13,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:17,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:19,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:21,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:23,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:25,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:27,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:29,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:32,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:34,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:38,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:41,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:43,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:46,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:48,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:51,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:54,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:56,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:24:59,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:01,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:04,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:05,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:07,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:09,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:11,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:16,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:18,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:21,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:24,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:26,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:28,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:30,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:32,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:34,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:36,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:38,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:41,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:43,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:45,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:47,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:49,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:51,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:53,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:55,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:57,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:25:59,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:02,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:05,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:08,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:12,199 WARN L539 Checker$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 18:26:14,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:15,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:17,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:19,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:21,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:23,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:25,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:27,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:28,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:26:30,827 WARN L539 Checker$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 18:26:34,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:37,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:39,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:40,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:42,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:46,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:47,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:49,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:51,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:54,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:56,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:26:58,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:00,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:05,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:06,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:07,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:09,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:11,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:12,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:15,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:18,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:22,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:25,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:27,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:29,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:33,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:34,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:36,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:38,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:41,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:27:43,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:27:43,894 INFO L93 Difference]: Finished difference Result 15788 states and 23158 transitions. [2022-12-13 18:27:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-12-13 18:27:43,894 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 5.0) internal successors, (180), 28 states have internal predecessors, (180), 15 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (40), 20 states have call predecessors, (40), 15 states have call successors, (40) Word has length 244 [2022-12-13 18:27:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:27:43,928 INFO L225 Difference]: With dead ends: 15788 [2022-12-13 18:27:43,929 INFO L226 Difference]: Without dead ends: 11027 [2022-12-13 18:27:43,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 332 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1885 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=825, Invalid=6998, Unknown=9, NotChecked=0, Total=7832 [2022-12-13 18:27:43,939 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 7103 mSDsluCounter, 38200 mSDsCounter, 0 mSdLazyCounter, 30274 mSolverCounterSat, 4305 mSolverCounterUnsat, 132 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 261.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7233 SdHoareTripleChecker+Valid, 40393 SdHoareTripleChecker+Invalid, 34711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4305 IncrementalHoareTripleChecker+Valid, 30274 IncrementalHoareTripleChecker+Invalid, 132 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 266.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:27:43,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7233 Valid, 40393 Invalid, 34711 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4305 Valid, 30274 Invalid, 132 Unknown, 0 Unchecked, 266.9s Time] [2022-12-13 18:27:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11027 states. [2022-12-13 18:27:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11027 to 6893. [2022-12-13 18:27:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6893 states, 5223 states have (on average 1.3817729274363393) internal successors, (7217), 5365 states have internal predecessors, (7217), 1155 states have call successors, (1155), 520 states have call predecessors, (1155), 514 states have return successors, (1382), 1016 states have call predecessors, (1382), 1155 states have call successors, (1382) [2022-12-13 18:27:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6893 states to 6893 states and 9754 transitions. [2022-12-13 18:27:44,379 INFO L78 Accepts]: Start accepts. Automaton has 6893 states and 9754 transitions. Word has length 244 [2022-12-13 18:27:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:27:44,379 INFO L495 AbstractCegarLoop]: Abstraction has 6893 states and 9754 transitions. [2022-12-13 18:27:44,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 5.0) internal successors, (180), 28 states have internal predecessors, (180), 15 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (40), 20 states have call predecessors, (40), 15 states have call successors, (40) [2022-12-13 18:27:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6893 states and 9754 transitions. [2022-12-13 18:27:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 18:27:44,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:27:44,394 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:44,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:27:44,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:27:44,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:27:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:27:44,595 INFO L85 PathProgramCache]: Analyzing trace with hash -816675024, now seen corresponding path program 1 times [2022-12-13 18:27:44,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:27:44,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670046347] [2022-12-13 18:27:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:27:44,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:27:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:27:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:27:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:27:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:27:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:27:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:27:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:27:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:27:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:27:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:27:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:27:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:27:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:27:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 18:27:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:27:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:27:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 18:27:45,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:27:45,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670046347] [2022-12-13 18:27:45,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670046347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:27:45,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:27:45,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 18:27:45,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745371057] [2022-12-13 18:27:45,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:27:45,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 18:27:45,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:27:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 18:27:45,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:27:45,300 INFO L87 Difference]: Start difference. First operand 6893 states and 9754 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 18:27:54,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:27:56,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:27:58,255 WARN L539 Checker$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 18:27:59,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:28:01,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:28:03,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:28:05,308 WARN L539 Checker$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 18:28:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:28:07,900 INFO L93 Difference]: Finished difference Result 13535 states and 19149 transitions. [2022-12-13 18:28:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 18:28:07,901 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 242 [2022-12-13 18:28:07,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:28:07,916 INFO L225 Difference]: With dead ends: 13535 [2022-12-13 18:28:07,916 INFO L226 Difference]: Without dead ends: 7066 [2022-12-13 18:28:07,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-13 18:28:07,927 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 1188 mSDsluCounter, 9638 mSDsCounter, 0 mSdLazyCounter, 7241 mSolverCounterSat, 736 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 11105 SdHoareTripleChecker+Invalid, 7981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 7241 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:28:07,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 11105 Invalid, 7981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [736 Valid, 7241 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-12-13 18:28:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7066 states. [2022-12-13 18:28:08,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7066 to 6745. [2022-12-13 18:28:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6745 states, 5111 states have (on average 1.3827039718254746) internal successors, (7067), 5253 states have internal predecessors, (7067), 1131 states have call successors, (1131), 508 states have call predecessors, (1131), 502 states have return successors, (1358), 992 states have call predecessors, (1358), 1131 states have call successors, (1358) [2022-12-13 18:28:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6745 states to 6745 states and 9556 transitions. [2022-12-13 18:28:08,282 INFO L78 Accepts]: Start accepts. Automaton has 6745 states and 9556 transitions. Word has length 242 [2022-12-13 18:28:08,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:28:08,282 INFO L495 AbstractCegarLoop]: Abstraction has 6745 states and 9556 transitions. [2022-12-13 18:28:08,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 18:28:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6745 states and 9556 transitions. [2022-12-13 18:28:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-12-13 18:28:08,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:28:08,296 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-13 18:28:08,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:28:08,297 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:28:08,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:28:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1037498606, now seen corresponding path program 1 times [2022-12-13 18:28:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:28:08,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083266592] [2022-12-13 18:28:08,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:28:08,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:28:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:28:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:28:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:28:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:28:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:28:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:28:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:28:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:28:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:28:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:28:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:28:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:28:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:28:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 18:28:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 18:28:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 18:28:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:28:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 139 proven. 8 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-12-13 18:28:09,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:28:09,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083266592] [2022-12-13 18:28:09,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083266592] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:28:09,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899205220] [2022-12-13 18:28:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:28:09,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:28:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:28:09,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:28:09,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:28:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:28:09,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-13 18:28:10,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:28:10,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 18:28:10,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-13 18:28:10,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-13 18:28:10,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:28:10,471 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1278 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1278) |c_#memory_int|)) is different from true [2022-12-13 18:28:10,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 18:28:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:28:10,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-13 18:28:10,560 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 18:28:10,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 18:28:10,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-12-13 18:28:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 196 proven. 11 refuted. 0 times theorem prover too weak. 432 trivial. 2 not checked. [2022-12-13 18:28:10,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:28:10,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899205220] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:28:10,775 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:28:10,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 33 [2022-12-13 18:28:10,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209193277] [2022-12-13 18:28:10,775 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:28:10,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-13 18:28:10,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:28:10,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-13 18:28:10,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=933, Unknown=7, NotChecked=62, Total=1122 [2022-12-13 18:28:10,778 INFO L87 Difference]: Start difference. First operand 6745 states and 9556 transitions. Second operand has 33 states, 28 states have (on average 5.25) internal successors, (147), 25 states have internal predecessors, (147), 14 states have call successors, (43), 9 states have call predecessors, (43), 12 states have return successors, (31), 13 states have call predecessors, (31), 14 states have call successors, (31) [2022-12-13 18:28:45,364 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 [0] [2022-12-13 18:29:01,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:06,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:13,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:24,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:34,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:53,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:29:55,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:29:57,776 WARN L539 Checker$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 18:29:59,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:30:01,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:30:03,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:30:05,578 WARN L539 Checker$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 18:30:07,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:30:08,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:30:09,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:30:27,075 WARN L539 Checker$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 18:30:28,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:30:31,564 WARN L539 Checker$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 18:30:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:30:33,590 INFO L93 Difference]: Finished difference Result 25238 states and 36278 transitions. [2022-12-13 18:30:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-12-13 18:30:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 28 states have (on average 5.25) internal successors, (147), 25 states have internal predecessors, (147), 14 states have call successors, (43), 9 states have call predecessors, (43), 12 states have return successors, (31), 13 states have call predecessors, (31), 14 states have call successors, (31) Word has length 247 [2022-12-13 18:30:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:30:33,646 INFO L225 Difference]: With dead ends: 25238 [2022-12-13 18:30:33,646 INFO L226 Difference]: Without dead ends: 18514 [2022-12-13 18:30:33,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 119 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4813 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1419, Invalid=12823, Unknown=42, NotChecked=236, Total=14520 [2022-12-13 18:30:33,662 INFO L413 NwaCegarLoop]: 3298 mSDtfsCounter, 10030 mSDsluCounter, 39741 mSDsCounter, 0 mSdLazyCounter, 48560 mSolverCounterSat, 5761 mSolverCounterUnsat, 447 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10220 SdHoareTripleChecker+Valid, 43039 SdHoareTripleChecker+Invalid, 59803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5761 IncrementalHoareTripleChecker+Valid, 48560 IncrementalHoareTripleChecker+Invalid, 447 IncrementalHoareTripleChecker+Unknown, 5035 IncrementalHoareTripleChecker+Unchecked, 137.8s IncrementalHoareTripleChecker+Time [2022-12-13 18:30:33,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10220 Valid, 43039 Invalid, 59803 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5761 Valid, 48560 Invalid, 447 Unknown, 5035 Unchecked, 137.8s Time] [2022-12-13 18:30:33,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18514 states. [2022-12-13 18:30:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18514 to 15221. [2022-12-13 18:30:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15221 states, 11505 states have (on average 1.3777488048674489) internal successors, (15851), 11797 states have internal predecessors, (15851), 2535 states have call successors, (2535), 1163 states have call predecessors, (2535), 1180 states have return successors, (3303), 2278 states have call predecessors, (3303), 2535 states have call successors, (3303) [2022-12-13 18:30:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15221 states to 15221 states and 21689 transitions. [2022-12-13 18:30:34,569 INFO L78 Accepts]: Start accepts. Automaton has 15221 states and 21689 transitions. Word has length 247 [2022-12-13 18:30:34,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:30:34,569 INFO L495 AbstractCegarLoop]: Abstraction has 15221 states and 21689 transitions. [2022-12-13 18:30:34,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 28 states have (on average 5.25) internal successors, (147), 25 states have internal predecessors, (147), 14 states have call successors, (43), 9 states have call predecessors, (43), 12 states have return successors, (31), 13 states have call predecessors, (31), 14 states have call successors, (31) [2022-12-13 18:30:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 15221 states and 21689 transitions. [2022-12-13 18:30:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 18:30:34,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:30:34,607 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-13 18:30:34,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 18:30:34,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:30:34,807 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:30:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:30:34,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1068762999, now seen corresponding path program 1 times [2022-12-13 18:30:34,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:30:34,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505960018] [2022-12-13 18:30:34,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:30:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:30:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:30:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:30:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:30:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 18:30:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 18:30:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:30:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:30:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 18:30:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 18:30:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:30:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 18:30:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:30:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:30:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 18:30:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 18:30:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 18:30:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:30:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 180 proven. 14 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-12-13 18:30:36,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:30:36,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505960018] [2022-12-13 18:30:36,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505960018] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:30:36,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354224106] [2022-12-13 18:30:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:30:36,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:30:36,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:30:36,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:30:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ec66cb-d9bc-433e-b7b6-125ff3d2e89f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:30:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:30:36,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 92 conjunts are in the unsatisfiable core [2022-12-13 18:30:36,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:30:36,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 18:30:37,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:30:37,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:30:37,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-13 18:30:37,168 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 18:30:37,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 18:30:37,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:30:37,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:30:37,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-13 18:30:37,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 18:30:37,478 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 18:30:37,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 18:30:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:30:37,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2022-12-13 18:30:37,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2022-12-13 18:30:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:30:37,754 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 18:30:37,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 51 [2022-12-13 18:30:37,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-13 18:30:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 243 proven. 36 refuted. 2 times theorem prover too weak. 359 trivial. 0 not checked. [2022-12-13 18:30:37,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:31:51,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354224106] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:31:51,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:31:51,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25] total 40 [2022-12-13 18:31:51,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593045023] [2022-12-13 18:31:51,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:31:51,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 18:31:51,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:31:51,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 18:31:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1722, Unknown=44, NotChecked=0, Total=1892 [2022-12-13 18:31:51,041 INFO L87 Difference]: Start difference. First operand 15221 states and 21689 transitions. Second operand has 40 states, 37 states have (on average 4.837837837837838) internal successors, (179), 32 states have internal predecessors, (179), 17 states have call successors, (45), 10 states have call predecessors, (45), 13 states have return successors, (34), 18 states have call predecessors, (34), 17 states have call successors, (34)