./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/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 c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- 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 12:10:38,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:10:38,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:10:38,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:10:38,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:10:38,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:10:38,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:10:38,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:10:38,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:10:38,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:10:38,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:10:38,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:10:38,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:10:38,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:10:38,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:10:38,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:10:38,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:10:38,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:10:38,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:10:38,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:10:38,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:10:38,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:10:38,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:10:38,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:10:38,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:10:38,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:10:38,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:10:38,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:10:38,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:10:38,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:10:38,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:10:38,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:10:38,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:10:38,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:10:38,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:10:38,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:10:38,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:10:38,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:10:38,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:10:38,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:10:38,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:10:38,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:10:38,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:10:38,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:10:38,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:10:38,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:10:38,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:10:38,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:10:38,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:10:38,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:10:38,853 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:10:38,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:10:38,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:10:38,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:10:38,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:10:38,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:10:38,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:10:38,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:10:38,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:10:38,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:10:38,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:10:38,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:10:38,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:10:38,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:38,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:10:38,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:10:38,857 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:10:38,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:10:38,857 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:10:38,857 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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-12-13 12:10:39,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:10:39,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:10:39,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:10:39,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:10:39,063 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:10:39,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-12-13 12:10:41,675 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:10:42,086 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:10:42,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-12-13 12:10:42,130 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/data/3f98c07c3/4b21c8019f4f449da07b09eb76a75975/FLAG709439704 [2022-12-13 12:10:42,144 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/data/3f98c07c3/4b21c8019f4f449da07b09eb76a75975 [2022-12-13 12:10:42,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:10:42,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:10:42,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:42,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:10:42,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:10:42,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:42" (1/1) ... [2022-12-13 12:10:42,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc37b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:42, skipping insertion in model container [2022-12-13 12:10:42,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:42" (1/1) ... [2022-12-13 12:10:42,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:10:42,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:10:42,527 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-12-13 12:10:42,528 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-12-13 12:10:42,565 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:10:42,631 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:10:42,639 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:10:42,646 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:10:42,654 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:10:42,661 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:10:42,802 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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-12-13 12:10:42,925 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:10:43,013 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-12-13 12:10:43,211 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:43,273 WARN L623 FunctionHandler]: Unknown extern function probe_irq_on [2022-12-13 12:10:43,273 WARN L623 FunctionHandler]: Unknown extern function probe_irq_off [2022-12-13 12:10:43,274 WARN L623 FunctionHandler]: Unknown extern function probe_irq_on [2022-12-13 12:10:43,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,275 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,276 WARN L623 FunctionHandler]: Unknown extern function probe_irq_off [2022-12-13 12:10:43,308 WARN L623 FunctionHandler]: Unknown extern function uart_insert_char [2022-12-13 12:10:43,308 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 12:10:43,313 WARN L623 FunctionHandler]: Unknown extern function uart_write_wakeup [2022-12-13 12:10:43,316 WARN L623 FunctionHandler]: Unknown extern function uart_handle_dcd_change [2022-12-13 12:10:43,316 WARN L623 FunctionHandler]: Unknown extern function uart_handle_cts_change [2022-12-13 12:10:43,317 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:10:43,331 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:43,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:43,337 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:10:43,338 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:10:43,343 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:43,346 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:43,346 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:10:43,347 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:43,354 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:43,357 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:43,398 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,399 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,399 WARN L623 FunctionHandler]: Unknown extern function touch_nmi_watchdog [2022-12-13 12:10:43,420 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:43,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:43,422 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-13 12:10:43,423 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,423 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:43,424 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 12:10:43,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:10:43,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:10:43,435 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:43,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:43,449 WARN L623 FunctionHandler]: Unknown extern function uart_get_divisor [2022-12-13 12:10:43,453 WARN L623 FunctionHandler]: Unknown extern function uart_get_baud_rate [2022-12-13 12:10:43,456 WARN L623 FunctionHandler]: Unknown extern function uart_update_timeout [2022-12-13 12:10:43,463 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 12:10:43,463 WARN L623 FunctionHandler]: Unknown extern function tty_termios_encode_baud_rate [2022-12-13 12:10:43,490 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:43,491 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:10:43,491 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:43,492 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:43,498 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:10:43,498 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:43,499 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:43,504 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:43,510 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:43,543 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:10:43,557 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:43,562 WARN L623 FunctionHandler]: Unknown extern function uart_suspend_port [2022-12-13 12:10:43,563 WARN L623 FunctionHandler]: Unknown extern function uart_resume_port [2022-12-13 12:10:43,574 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:10:43,585 WARN L623 FunctionHandler]: Unknown extern function uart_suspend_port [2022-12-13 12:10:43,596 WARN L623 FunctionHandler]: Unknown extern function uart_match_port [2022-12-13 12:10:43,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:43,600 WARN L623 FunctionHandler]: Unknown extern function uart_remove_one_port [2022-12-13 12:10:43,604 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:43,605 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:43,606 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:43,607 WARN L623 FunctionHandler]: Unknown extern function uart_remove_one_port [2022-12-13 12:10:43,607 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:43,608 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:43,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:43,614 WARN L623 FunctionHandler]: Unknown extern function uart_register_driver [2022-12-13 12:10:43,614 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 12:10:43,615 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 12:10:43,616 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 12:10:43,616 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 12:10:43,616 WARN L623 FunctionHandler]: Unknown extern function uart_unregister_driver [2022-12-13 12:10:43,621 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 12:10:43,621 WARN L623 FunctionHandler]: Unknown extern function uart_unregister_driver [2022-12-13 12:10:43,652 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:10:43,661 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 12:10:43,662 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 12:10:43,662 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-13 12:10:43,663 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 12:10:43,665 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:10:43,666 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:43,667 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:43,667 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:43,668 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:43,668 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:10:43,668 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 12:10:43,669 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 12:10:43,694 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,699 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,703 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,708 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,712 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,717 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,722 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:43,757 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:10:43,762 WARN L623 FunctionHandler]: Unknown extern function pnp_possible_config [2022-12-13 12:10:43,786 WARN L623 FunctionHandler]: Unknown extern function pnp_register_driver [2022-12-13 12:10:43,786 WARN L623 FunctionHandler]: Unknown extern function pnp_unregister_driver [2022-12-13 12:10:43,819 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 12:10:43,866 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:10:43,867 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:10:43,867 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:10:43,872 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:10:43,878 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:10:43,883 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:10:43,887 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 12:10:43,901 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:10:43,905 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:10:43,906 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:10:43,918 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 12:10:43,958 WARN L623 FunctionHandler]: Unknown extern function dma_request_slave_channel [2022-12-13 12:10:43,959 WARN L623 FunctionHandler]: Unknown extern function __dma_request_channel [2022-12-13 12:10:43,964 WARN L623 FunctionHandler]: Unknown extern function uart_write_wakeup [2022-12-13 12:10:43,969 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 12:10:43,984 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:43,988 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:43,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:10:43,989 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:43,990 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:43,991 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:43,992 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:43,994 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:43,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:10:44,004 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 12:10:44,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:44,103 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:10:44,175 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-12-13 12:10:44,176 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-12-13 12:10:44,178 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:10:44,181 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:10:44,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:10:44,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:10:44,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:10:44,183 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:10:44,186 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_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-12-13 12:10:44,188 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:10:44,201 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-12-13 12:10:44,256 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:44,272 WARN L623 FunctionHandler]: Unknown extern function probe_irq_on [2022-12-13 12:10:44,272 WARN L623 FunctionHandler]: Unknown extern function probe_irq_off [2022-12-13 12:10:44,272 WARN L623 FunctionHandler]: Unknown extern function probe_irq_on [2022-12-13 12:10:44,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,273 WARN L623 FunctionHandler]: Unknown extern function probe_irq_off [2022-12-13 12:10:44,280 WARN L623 FunctionHandler]: Unknown extern function uart_insert_char [2022-12-13 12:10:44,281 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 12:10:44,283 WARN L623 FunctionHandler]: Unknown extern function uart_write_wakeup [2022-12-13 12:10:44,285 WARN L623 FunctionHandler]: Unknown extern function uart_handle_dcd_change [2022-12-13 12:10:44,286 WARN L623 FunctionHandler]: Unknown extern function uart_handle_cts_change [2022-12-13 12:10:44,286 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:10:44,294 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:44,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:44,296 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:10:44,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:10:44,297 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:44,298 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:44,298 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:10:44,299 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:44,301 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:44,302 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:44,311 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,311 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,311 WARN L623 FunctionHandler]: Unknown extern function touch_nmi_watchdog [2022-12-13 12:10:44,316 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:44,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:44,317 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-13 12:10:44,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:10:44,318 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 12:10:44,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:10:44,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:10:44,325 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:44,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:44,328 WARN L623 FunctionHandler]: Unknown extern function uart_get_divisor [2022-12-13 12:10:44,330 WARN L623 FunctionHandler]: Unknown extern function uart_get_baud_rate [2022-12-13 12:10:44,332 WARN L623 FunctionHandler]: Unknown extern function uart_update_timeout [2022-12-13 12:10:44,336 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 12:10:44,336 WARN L623 FunctionHandler]: Unknown extern function tty_termios_encode_baud_rate [2022-12-13 12:10:44,342 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:44,343 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:10:44,344 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:44,344 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:44,345 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:10:44,346 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:44,346 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:44,347 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:10:44,348 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:10:44,355 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:10:44,358 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:44,362 WARN L623 FunctionHandler]: Unknown extern function uart_suspend_port [2022-12-13 12:10:44,363 WARN L623 FunctionHandler]: Unknown extern function uart_resume_port [2022-12-13 12:10:44,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:10:44,375 WARN L623 FunctionHandler]: Unknown extern function uart_suspend_port [2022-12-13 12:10:44,377 WARN L623 FunctionHandler]: Unknown extern function uart_match_port [2022-12-13 12:10:44,379 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:44,380 WARN L623 FunctionHandler]: Unknown extern function uart_remove_one_port [2022-12-13 12:10:44,384 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:44,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:44,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 12:10:44,385 WARN L623 FunctionHandler]: Unknown extern function uart_remove_one_port [2022-12-13 12:10:44,386 WARN L623 FunctionHandler]: Unknown extern function uart_add_one_port [2022-12-13 12:10:44,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:10:44,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:10:44,388 WARN L623 FunctionHandler]: Unknown extern function uart_register_driver [2022-12-13 12:10:44,388 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 12:10:44,388 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 12:10:44,389 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 12:10:44,389 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 12:10:44,389 WARN L623 FunctionHandler]: Unknown extern function uart_unregister_driver [2022-12-13 12:10:44,390 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 12:10:44,390 WARN L623 FunctionHandler]: Unknown extern function uart_unregister_driver [2022-12-13 12:10:44,395 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:10:44,403 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 12:10:44,404 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-13 12:10:44,404 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_5 [2022-12-13 12:10:44,405 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 12:10:44,407 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:10:44,407 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:44,407 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:44,408 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:44,408 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 12:10:44,409 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 12:10:44,409 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 12:10:44,409 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 12:10:44,410 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,411 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,411 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,412 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,412 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,413 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,413 WARN L623 FunctionHandler]: Unknown extern function pnp_get_resource [2022-12-13 12:10:44,420 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-13 12:10:44,421 WARN L623 FunctionHandler]: Unknown extern function pnp_possible_config [2022-12-13 12:10:44,438 WARN L623 FunctionHandler]: Unknown extern function pnp_register_driver [2022-12-13 12:10:44,438 WARN L623 FunctionHandler]: Unknown extern function pnp_unregister_driver [2022-12-13 12:10:44,441 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 12:10:44,445 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:10:44,446 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:10:44,446 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:10:44,447 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:10:44,448 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:10:44,449 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:10:44,449 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 12:10:44,452 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 12:10:44,453 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:10:44,453 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 12:10:44,455 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 12:10:44,459 WARN L623 FunctionHandler]: Unknown extern function dma_request_slave_channel [2022-12-13 12:10:44,459 WARN L623 FunctionHandler]: Unknown extern function __dma_request_channel [2022-12-13 12:10:44,462 WARN L623 FunctionHandler]: Unknown extern function uart_write_wakeup [2022-12-13 12:10:44,465 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 12:10:44,473 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:44,480 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:44,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:10:44,480 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:44,481 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:44,483 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:44,485 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 12:10:44,486 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 12:10:44,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:10:44,488 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 12:10:44,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:44,594 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:10:44,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44 WrapperNode [2022-12-13 12:10:44,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:44,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:44,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:10:44,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:10:44,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,821 INFO L138 Inliner]: procedures = 349, calls = 4543, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8177 [2022-12-13 12:10:44,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:44,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:10:44,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:10:44,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:10:44,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:45,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:45,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:45,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:10:45,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:10:45,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:10:45,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:10:45,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:45,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:45,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:45,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-12-13 12:10:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-12-13 12:10:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-12-13 12:10:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-12-13 12:10:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-12-13 12:10:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-12-13 12:10:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-12-13 12:10:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-12-13 12:10:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-12-13 12:10:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:10:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-12-13 12:10:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:10:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-12-13 12:10:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-12-13 12:10:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-12-13 12:10:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-12-13 12:10:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-12-13 12:10:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-12-13 12:10:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-12-13 12:10:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-12-13 12:10:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-12-13 12:10:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-12-13 12:10:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-12-13 12:10:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-12-13 12:10:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-12-13 12:10:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:10:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-12-13 12:10:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-12-13 12:10:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-12-13 12:10:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-12-13 12:10:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-12-13 12:10:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-12-13 12:10:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:10:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 12:10:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-12-13 12:10:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:10:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-12-13 12:10:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 12:10:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-12-13 12:10:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-12-13 12:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-12-13 12:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-12-13 12:10:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-12-13 12:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-12-13 12:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-12-13 12:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-12-13 12:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-12-13 12:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-12-13 12:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-12-13 12:10:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-12-13 12:10:45,807 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:10:45,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:10:46,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:11:01,336 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:11:01,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:11:01,352 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:11:01,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:11:01 BoogieIcfgContainer [2022-12-13 12:11:01,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:11:01,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:11:01,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:11:01,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:11:01,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:10:42" (1/3) ... [2022-12-13 12:11:01,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d8c134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:11:01, skipping insertion in model container [2022-12-13 12:11:01,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (2/3) ... [2022-12-13 12:11:01,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d8c134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:11:01, skipping insertion in model container [2022-12-13 12:11:01,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:11:01" (3/3) ... [2022-12-13 12:11:01,361 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-12-13 12:11:01,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:11:01,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:11:01,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:11:01,448 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;@2ed2c0e7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:11:01,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:11:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 2695 states, 1859 states have (on average 1.3797740720817644) internal successors, (2565), 1952 states have internal predecessors, (2565), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 651 states have call predecessors, (680), 680 states have call successors, (680) [2022-12-13 12:11:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-13 12:11:01,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:11:01,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:01,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:11:01,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:11:01,493 INFO L85 PathProgramCache]: Analyzing trace with hash 144292444, now seen corresponding path program 1 times [2022-12-13 12:11:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:11:01,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733106404] [2022-12-13 12:11:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:01,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:11:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:11:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:11:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:11:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:11:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 12:11:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:11:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 12:11:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:11:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:11:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 12:11:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 12:11:02,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:11:02,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733106404] [2022-12-13 12:11:02,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733106404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:11:02,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:11:02,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:11:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688939949] [2022-12-13 12:11:02,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:11:02,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:11:02,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:11:02,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:11:02,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:11:02,623 INFO L87 Difference]: Start difference. First operand has 2695 states, 1859 states have (on average 1.3797740720817644) internal successors, (2565), 1952 states have internal predecessors, (2565), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 651 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:11:06,965 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 12:11:09,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:14,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:16,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:22,282 WARN L539 Checker$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 12:11:26,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:29,128 WARN L539 Checker$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 12:11:31,867 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 12:11:32,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:11:32,618 INFO L93 Difference]: Finished difference Result 8448 states and 13235 transitions. [2022-12-13 12:11:32,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:11:32,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 162 [2022-12-13 12:11:32,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:11:32,656 INFO L225 Difference]: With dead ends: 8448 [2022-12-13 12:11:32,656 INFO L226 Difference]: Without dead ends: 5703 [2022-12-13 12:11:32,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:11:32,674 INFO L413 NwaCegarLoop]: 3753 mSDtfsCounter, 6526 mSDsluCounter, 6072 mSDsCounter, 0 mSdLazyCounter, 6454 mSolverCounterSat, 3520 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6954 SdHoareTripleChecker+Valid, 9825 SdHoareTripleChecker+Invalid, 9981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3520 IncrementalHoareTripleChecker+Valid, 6454 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:11:32,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6954 Valid, 9825 Invalid, 9981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3520 Valid, 6454 Invalid, 7 Unknown, 0 Unchecked, 29.3s Time] [2022-12-13 12:11:32,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2022-12-13 12:11:32,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 4517. [2022-12-13 12:11:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 3153 states have (on average 1.3488740881699968) internal successors, (4253), 3289 states have internal predecessors, (4253), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1044 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-12-13 12:11:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6445 transitions. [2022-12-13 12:11:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6445 transitions. Word has length 162 [2022-12-13 12:11:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:11:33,004 INFO L495 AbstractCegarLoop]: Abstraction has 4517 states and 6445 transitions. [2022-12-13 12:11:33,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:11:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6445 transitions. [2022-12-13 12:11:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 12:11:33,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:11:33,035 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:33,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:11:33,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:11:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:11:33,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1276943379, now seen corresponding path program 1 times [2022-12-13 12:11:33,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:11:33,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862458048] [2022-12-13 12:11:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:11:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:11:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:11:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:11:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:11:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 12:11:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 12:11:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 12:11:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:11:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:11:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:11:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:11:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 12:11:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-13 12:11:36,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:11:36,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862458048] [2022-12-13 12:11:36,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862458048] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:11:36,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069983031] [2022-12-13 12:11:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:11:36,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:11:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:11:36,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:11:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:11:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:11:38,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 7591 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:11:38,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:11:38,145 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 9 [2022-12-13 12:11:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 12:11:38,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:11:38,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069983031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:11:38,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:11:38,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-12-13 12:11:38,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440576582] [2022-12-13 12:11:38,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:11:38,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:11:38,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:11:38,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:11:38,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-12-13 12:11:38,198 INFO L87 Difference]: Start difference. First operand 4517 states and 6445 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:11:41,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:43,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:45,259 WARN L539 Checker$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 12:11:47,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:49,703 WARN L539 Checker$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 12:11:53,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:55,368 WARN L539 Checker$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 12:11:57,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:11:59,468 WARN L539 Checker$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 12:12:01,474 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 12:12:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:12:03,240 INFO L93 Difference]: Finished difference Result 9031 states and 12931 transitions. [2022-12-13 12:12:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:12:03,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 165 [2022-12-13 12:12:03,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:12:03,255 INFO L225 Difference]: With dead ends: 9031 [2022-12-13 12:12:03,255 INFO L226 Difference]: Without dead ends: 4525 [2022-12-13 12:12:03,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 199 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-12-13 12:12:03,265 INFO L413 NwaCegarLoop]: 3859 mSDtfsCounter, 1 mSDsluCounter, 10726 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14585 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:12:03,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14585 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 864 Invalid, 9 Unknown, 0 Unchecked, 24.6s Time] [2022-12-13 12:12:03,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4525 states. [2022-12-13 12:12:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4525 to 4525. [2022-12-13 12:12:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4525 states, 3161 states have (on average 1.348623853211009) internal successors, (4263), 3297 states have internal predecessors, (4263), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1044 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-12-13 12:12:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 6455 transitions. [2022-12-13 12:12:03,472 INFO L78 Accepts]: Start accepts. Automaton has 4525 states and 6455 transitions. Word has length 165 [2022-12-13 12:12:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:12:03,472 INFO L495 AbstractCegarLoop]: Abstraction has 4525 states and 6455 transitions. [2022-12-13 12:12:03,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:12:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4525 states and 6455 transitions. [2022-12-13 12:12:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-13 12:12:03,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:12:03,486 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:12:03,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:12:03,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:12:03,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:12:03,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:12:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1271016158, now seen corresponding path program 1 times [2022-12-13 12:12:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:12:03,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854453101] [2022-12-13 12:12:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:12:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:12:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:12:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:12:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:12:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 12:12:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 12:12:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 12:12:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:12:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:12:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:12:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 12:12:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 12:12:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 12:12:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 12:12:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-13 12:12:06,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:12:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854453101] [2022-12-13 12:12:06,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854453101] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:12:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561780645] [2022-12-13 12:12:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:12:06,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:12:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:12:06,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:12:06,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:12:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:08,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 7731 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 12:12:08,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:12:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 12:12:08,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:12:08,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561780645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:12:08,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:12:08,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 15 [2022-12-13 12:12:08,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556396508] [2022-12-13 12:12:08,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:12:08,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:12:08,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:12:08,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:12:08,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-12-13 12:12:08,423 INFO L87 Difference]: Start difference. First operand 4525 states and 6455 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 12:12:11,671 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 12:12:14,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:19,944 WARN L539 Checker$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 12:12:22,043 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 12:12:23,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:12:23,473 INFO L93 Difference]: Finished difference Result 10343 states and 15826 transitions. [2022-12-13 12:12:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:12:23,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 183 [2022-12-13 12:12:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:12:23,510 INFO L225 Difference]: With dead ends: 10343 [2022-12-13 12:12:23,510 INFO L226 Difference]: Without dead ends: 10340 [2022-12-13 12:12:23,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 225 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-12-13 12:12:23,514 INFO L413 NwaCegarLoop]: 4293 mSDtfsCounter, 5999 mSDsluCounter, 4608 mSDsCounter, 0 mSdLazyCounter, 5404 mSolverCounterSat, 2351 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6510 SdHoareTripleChecker+Valid, 8901 SdHoareTripleChecker+Invalid, 7759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2351 IncrementalHoareTripleChecker+Valid, 5404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:12:23,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6510 Valid, 8901 Invalid, 7759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2351 Valid, 5404 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-12-13 12:12:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10340 states. [2022-12-13 12:12:23,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10340 to 9917. [2022-12-13 12:12:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9917 states, 6868 states have (on average 1.3424577751892837) internal successors, (9220), 7148 states have internal predecessors, (9220), 2411 states have call successors, (2411), 524 states have call predecessors, (2411), 637 states have return successors, (3488), 2432 states have call predecessors, (3488), 2410 states have call successors, (3488) [2022-12-13 12:12:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9917 states to 9917 states and 15119 transitions. [2022-12-13 12:12:24,043 INFO L78 Accepts]: Start accepts. Automaton has 9917 states and 15119 transitions. Word has length 183 [2022-12-13 12:12:24,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:12:24,044 INFO L495 AbstractCegarLoop]: Abstraction has 9917 states and 15119 transitions. [2022-12-13 12:12:24,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 12:12:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 9917 states and 15119 transitions. [2022-12-13 12:12:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-12-13 12:12:24,069 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:12:24,069 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:12:24,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 12:12:24,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:12:24,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:12:24,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:12:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1296081336, now seen corresponding path program 1 times [2022-12-13 12:12:24,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:12:24,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950713779] [2022-12-13 12:12:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:12:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:12:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:12:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:12:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:12:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 12:12:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 12:12:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 12:12:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 12:12:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 12:12:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 12:12:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:12:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:12:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 12:12:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 12:12:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 12:12:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:12:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:12:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-13 12:12:25,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:12:25,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950713779] [2022-12-13 12:12:25,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950713779] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:12:25,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:12:25,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 12:12:25,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100721973] [2022-12-13 12:12:25,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:12:25,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 12:12:25,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:12:25,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 12:12:25,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:12:25,201 INFO L87 Difference]: Start difference. First operand 9917 states and 15119 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:12:32,237 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 12:12:34,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:36,635 WARN L539 Checker$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 12:12:38,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:40,652 WARN L539 Checker$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 12:12:42,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:44,665 WARN L539 Checker$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 12:12:46,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:48,680 WARN L539 Checker$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 12:12:52,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:54,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:56,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:12:58,488 WARN L539 Checker$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 12:13:00,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:02,539 WARN L539 Checker$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 12:13:04,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:06,552 WARN L539 Checker$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 12:13:08,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:10,171 WARN L539 Checker$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 12:13:23,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:24,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:27,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:30,593 WARN L539 Checker$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 12:13:32,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:39,125 WARN L539 Checker$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 12:13:41,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:13:47,237 WARN L539 Checker$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 12:13:48,943 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 12:13:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:13:54,517 INFO L93 Difference]: Finished difference Result 36037 states and 65049 transitions. [2022-12-13 12:13:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 12:13:54,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 215 [2022-12-13 12:13:54,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:13:54,662 INFO L225 Difference]: With dead ends: 36037 [2022-12-13 12:13:54,663 INFO L226 Difference]: Without dead ends: 26131 [2022-12-13 12:13:54,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-12-13 12:13:54,719 INFO L413 NwaCegarLoop]: 3736 mSDtfsCounter, 10500 mSDsluCounter, 17239 mSDsCounter, 0 mSdLazyCounter, 27681 mSolverCounterSat, 6458 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10984 SdHoareTripleChecker+Valid, 20975 SdHoareTripleChecker+Invalid, 34158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6458 IncrementalHoareTripleChecker+Valid, 27681 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:13:54,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10984 Valid, 20975 Invalid, 34158 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6458 Valid, 27681 Invalid, 19 Unknown, 0 Unchecked, 87.2s Time] [2022-12-13 12:13:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26131 states. [2022-12-13 12:13:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26131 to 21695. [2022-12-13 12:13:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21695 states, 15001 states have (on average 1.3372441837210853) internal successors, (20060), 15587 states have internal predecessors, (20060), 5243 states have call successors, (5243), 1051 states have call predecessors, (5243), 1450 states have return successors, (10767), 5467 states have call predecessors, (10767), 5242 states have call successors, (10767) [2022-12-13 12:13:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21695 states to 21695 states and 36070 transitions. [2022-12-13 12:13:56,393 INFO L78 Accepts]: Start accepts. Automaton has 21695 states and 36070 transitions. Word has length 215 [2022-12-13 12:13:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:13:56,394 INFO L495 AbstractCegarLoop]: Abstraction has 21695 states and 36070 transitions. [2022-12-13 12:13:56,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 12:13:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 21695 states and 36070 transitions. [2022-12-13 12:13:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-13 12:13:56,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:13:56,449 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:13:56,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:13:56,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:13:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:13:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2108345051, now seen corresponding path program 1 times [2022-12-13 12:13:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:13:56,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050896277] [2022-12-13 12:13:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:13:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:13:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:13:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:13:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:13:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:13:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:13:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:13:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 12:13:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:13:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 12:13:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:13:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 12:13:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:13:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 12:13:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:13:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:13:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:13:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:13:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:13:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:13:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:13:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:13:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:13:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 12:13:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 12:13:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-12-13 12:13:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:13:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-13 12:13:57,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:13:57,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050896277] [2022-12-13 12:13:57,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050896277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:13:57,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:13:57,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 12:13:57,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548335474] [2022-12-13 12:13:57,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:13:57,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 12:13:57,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:13:57,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 12:13:57,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:13:57,618 INFO L87 Difference]: Start difference. First operand 21695 states and 36070 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:14:03,302 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 [] [2022-12-13 12:14:05,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:08,479 WARN L539 Checker$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 12:14:09,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:10,963 WARN L539 Checker$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 12:14:12,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:14,212 WARN L539 Checker$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 12:14:24,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:27,200 WARN L539 Checker$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 12:14:31,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:35,685 WARN L539 Checker$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 12:14:49,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:50,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:14:53,364 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 12:15:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:15:04,871 INFO L93 Difference]: Finished difference Result 74671 states and 149870 transitions. [2022-12-13 12:15:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 12:15:04,873 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 277 [2022-12-13 12:15:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:15:05,247 INFO L225 Difference]: With dead ends: 74671 [2022-12-13 12:15:05,247 INFO L226 Difference]: Without dead ends: 52987 [2022-12-13 12:15:05,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-12-13 12:15:05,396 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 11381 mSDsluCounter, 14999 mSDsCounter, 0 mSdLazyCounter, 24534 mSolverCounterSat, 6894 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11861 SdHoareTripleChecker+Valid, 18558 SdHoareTripleChecker+Invalid, 31437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6894 IncrementalHoareTripleChecker+Valid, 24534 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:15:05,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11861 Valid, 18558 Invalid, 31437 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6894 Valid, 24534 Invalid, 9 Unknown, 0 Unchecked, 63.2s Time] [2022-12-13 12:15:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52987 states. [2022-12-13 12:15:08,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52987 to 43395. [2022-12-13 12:15:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43395 states, 30007 states have (on average 1.3368214083380545) internal successors, (40114), 31175 states have internal predecessors, (40114), 10477 states have call successors, (10477), 2105 states have call predecessors, (10477), 2910 states have return successors, (27217), 10935 states have call predecessors, (27217), 10476 states have call successors, (27217) [2022-12-13 12:15:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43395 states to 43395 states and 77808 transitions. [2022-12-13 12:15:08,667 INFO L78 Accepts]: Start accepts. Automaton has 43395 states and 77808 transitions. Word has length 277 [2022-12-13 12:15:08,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:15:08,667 INFO L495 AbstractCegarLoop]: Abstraction has 43395 states and 77808 transitions. [2022-12-13 12:15:08,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:15:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 43395 states and 77808 transitions. [2022-12-13 12:15:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-12-13 12:15:08,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:15:08,706 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:15:08,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:15:08,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:15:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:15:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash 696393342, now seen corresponding path program 1 times [2022-12-13 12:15:08,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:15:08,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364309379] [2022-12-13 12:15:08,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:15:08,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:15:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:15:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:15:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:15:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:15:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 12:15:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:15:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 12:15:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:15:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:15:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:15:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 12:15:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:15:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 12:15:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:15:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:15:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:15:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:15:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:15:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:15:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:15:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:15:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 12:15:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 12:15:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 12:15:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 12:15:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:15:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-13 12:15:09,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:15:09,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364309379] [2022-12-13 12:15:09,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364309379] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:15:09,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:15:09,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 12:15:09,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964159653] [2022-12-13 12:15:09,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:15:09,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 12:15:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:15:09,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 12:15:09,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:15:09,632 INFO L87 Difference]: Start difference. First operand 43395 states and 77808 transitions. Second operand has 10 states, 10 states have (on average 14.8) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:15:15,518 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 12:15:18,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:22,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:25,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:27,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:35,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:36,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:39,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:43,829 WARN L539 Checker$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 12:15:46,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:15:50,609 WARN L539 Checker$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 12:16:01,706 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 12:16:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:16:12,618 INFO L93 Difference]: Finished difference Result 147607 states and 334584 transitions. [2022-12-13 12:16:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 12:16:12,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 279 [2022-12-13 12:16:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:16:13,570 INFO L225 Difference]: With dead ends: 147607 [2022-12-13 12:16:13,570 INFO L226 Difference]: Without dead ends: 104223 [2022-12-13 12:16:14,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-12-13 12:16:14,110 INFO L413 NwaCegarLoop]: 3531 mSDtfsCounter, 16842 mSDsluCounter, 13498 mSDsCounter, 0 mSdLazyCounter, 21021 mSolverCounterSat, 12827 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17326 SdHoareTripleChecker+Valid, 17029 SdHoareTripleChecker+Invalid, 33858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12827 IncrementalHoareTripleChecker+Valid, 21021 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:16:14,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17326 Valid, 17029 Invalid, 33858 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12827 Valid, 21021 Invalid, 10 Unknown, 0 Unchecked, 55.3s Time] [2022-12-13 12:16:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104223 states. [2022-12-13 12:16:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104223 to 86815. [2022-12-13 12:16:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86815 states, 60039 states have (on average 1.3364979430037143) internal successors, (80242), 62367 states have internal predecessors, (80242), 20941 states have call successors, (20941), 4217 states have call predecessors, (20941), 5834 states have return successors, (72577), 21871 states have call predecessors, (72577), 20940 states have call successors, (72577) [2022-12-13 12:16:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86815 states to 86815 states and 173760 transitions. [2022-12-13 12:16:23,286 INFO L78 Accepts]: Start accepts. Automaton has 86815 states and 173760 transitions. Word has length 279 [2022-12-13 12:16:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:16:23,287 INFO L495 AbstractCegarLoop]: Abstraction has 86815 states and 173760 transitions. [2022-12-13 12:16:23,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:16:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 86815 states and 173760 transitions. [2022-12-13 12:16:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 12:16:23,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:16:23,328 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:16:23,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:16:23,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:16:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:16:23,329 INFO L85 PathProgramCache]: Analyzing trace with hash -333884322, now seen corresponding path program 1 times [2022-12-13 12:16:23,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:16:23,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794016656] [2022-12-13 12:16:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:16:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:16:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:16:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:16:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:16:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:16:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 12:16:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 12:16:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:16:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 12:16:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:16:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:16:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:16:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 12:16:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:16:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:16:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:16:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:16:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:16:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:16:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:16:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:16:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 12:16:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:16:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 12:16:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 12:16:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:16:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-13 12:16:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:16:25,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794016656] [2022-12-13 12:16:25,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794016656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:16:25,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:16:25,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 12:16:25,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277137437] [2022-12-13 12:16:25,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:16:25,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:16:25,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:16:25,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:16:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:16:25,098 INFO L87 Difference]: Start difference. First operand 86815 states and 173760 transitions. Second operand has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 12:16:31,261 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 12:16:33,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:16:37,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:16:40,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:16:42,297 WARN L539 Checker$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 12:16:51,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:16:53,991 WARN L539 Checker$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 12:17:01,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:17:04,318 WARN L539 Checker$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 12:17:10,228 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 12:17:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:17:18,700 INFO L93 Difference]: Finished difference Result 190585 states and 404149 transitions. [2022-12-13 12:17:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:17:18,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 249 [2022-12-13 12:17:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:17:19,693 INFO L225 Difference]: With dead ends: 190585 [2022-12-13 12:17:19,693 INFO L226 Difference]: Without dead ends: 103780 [2022-12-13 12:17:20,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-12-13 12:17:20,447 INFO L413 NwaCegarLoop]: 2920 mSDtfsCounter, 4239 mSDsluCounter, 10888 mSDsCounter, 0 mSdLazyCounter, 14236 mSolverCounterSat, 3507 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4420 SdHoareTripleChecker+Valid, 13808 SdHoareTripleChecker+Invalid, 17751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3507 IncrementalHoareTripleChecker+Valid, 14236 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:17:20,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4420 Valid, 13808 Invalid, 17751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3507 Valid, 14236 Invalid, 8 Unknown, 0 Unchecked, 45.7s Time] [2022-12-13 12:17:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103780 states. [2022-12-13 12:17:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103780 to 86719. [2022-12-13 12:17:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86719 states, 59943 states have (on average 1.3365030111939675) internal successors, (80114), 62303 states have internal predecessors, (80114), 20941 states have call successors, (20941), 4217 states have call predecessors, (20941), 5834 states have return successors, (72513), 21839 states have call predecessors, (72513), 20940 states have call successors, (72513) [2022-12-13 12:17:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86719 states to 86719 states and 173568 transitions. [2022-12-13 12:17:28,648 INFO L78 Accepts]: Start accepts. Automaton has 86719 states and 173568 transitions. Word has length 249 [2022-12-13 12:17:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:17:28,648 INFO L495 AbstractCegarLoop]: Abstraction has 86719 states and 173568 transitions. [2022-12-13 12:17:28,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 12:17:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 86719 states and 173568 transitions. [2022-12-13 12:17:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-12-13 12:17:28,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:17:28,695 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:28,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:17:28,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:17:28,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:28,695 INFO L85 PathProgramCache]: Analyzing trace with hash -207178563, now seen corresponding path program 1 times [2022-12-13 12:17:28,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:28,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313382515] [2022-12-13 12:17:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:17:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:17:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:17:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:17:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 12:17:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 12:17:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 12:17:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:17:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 12:17:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:17:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:17:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:17:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:17:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:17:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:17:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:17:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:17:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:17:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 12:17:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 12:17:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 12:17:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 12:17:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-12-13 12:17:30,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:30,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313382515] [2022-12-13 12:17:30,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313382515] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:17:30,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613176960] [2022-12-13 12:17:30,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:30,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:17:30,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:17:30,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:17:30,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:17:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:31,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 8369 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-13 12:17:31,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:17:31,670 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 12:17:31,883 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 9 treesize of output 3 [2022-12-13 12:17:31,926 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 9 treesize of output 3 [2022-12-13 12:17:31,976 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 9 treesize of output 3 [2022-12-13 12:17:32,020 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 9 treesize of output 3 [2022-12-13 12:17:32,167 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 19 treesize of output 7 [2022-12-13 12:17:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 102 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 12:17:32,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:17:32,409 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 9 treesize of output 3 [2022-12-13 12:17:32,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613176960] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:17:32,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:17:32,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 18] total 26 [2022-12-13 12:17:32,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597713538] [2022-12-13 12:17:32,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:17:32,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 12:17:32,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 12:17:32,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2022-12-13 12:17:32,667 INFO L87 Difference]: Start difference. First operand 86719 states and 173568 transitions. Second operand has 26 states, 22 states have (on average 10.590909090909092) internal successors, (233), 19 states have internal predecessors, (233), 11 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (43), 9 states have call predecessors, (43), 9 states have call successors, (43) [2022-12-13 12:17:44,176 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 12:17:47,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:17:52,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:17:54,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:17:56,495 WARN L539 Checker$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 12:17:58,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:00,830 WARN L539 Checker$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 12:18:03,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:06,508 WARN L539 Checker$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 12:18:09,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:27,832 WARN L539 Checker$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 12:18:29,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:33,955 WARN L539 Checker$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 12:18:35,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:37,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:39,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:41,814 WARN L539 Checker$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 12:18:43,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:44,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:45,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:50,791 WARN L539 Checker$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 12:18:53,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:55,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:57,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:18:59,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:01,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:03,270 WARN L539 Checker$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 12:19:04,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:06,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:08,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:19,083 WARN L539 Checker$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 12:19:21,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:19:30,541 WARN L539 Checker$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 12:19:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:19:43,134 INFO L93 Difference]: Finished difference Result 221907 states and 498136 transitions. [2022-12-13 12:19:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 12:19:43,135 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 10.590909090909092) internal successors, (233), 19 states have internal predecessors, (233), 11 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (43), 9 states have call predecessors, (43), 9 states have call successors, (43) Word has length 270 [2022-12-13 12:19:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:19:44,398 INFO L225 Difference]: With dead ends: 221907 [2022-12-13 12:19:44,398 INFO L226 Difference]: Without dead ends: 135198 [2022-12-13 12:19:45,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=477, Invalid=2945, Unknown=0, NotChecked=0, Total=3422 [2022-12-13 12:19:45,294 INFO L413 NwaCegarLoop]: 3862 mSDtfsCounter, 9688 mSDsluCounter, 39937 mSDsCounter, 0 mSdLazyCounter, 53961 mSolverCounterSat, 8879 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10057 SdHoareTripleChecker+Valid, 43799 SdHoareTripleChecker+Invalid, 62862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8879 IncrementalHoareTripleChecker+Valid, 53961 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:19:45,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10057 Valid, 43799 Invalid, 62862 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8879 Valid, 53961 Invalid, 22 Unknown, 0 Unchecked, 119.8s Time] [2022-12-13 12:19:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135198 states. [2022-12-13 12:19:55,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135198 to 102499. [2022-12-13 12:19:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102499 states, 70333 states have (on average 1.3314091535978843) internal successors, (93642), 72515 states have internal predecessors, (93642), 26029 states have call successors, (26029), 4345 states have call predecessors, (26029), 6136 states have return successors, (93834), 27471 states have call predecessors, (93834), 26028 states have call successors, (93834) [2022-12-13 12:19:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102499 states to 102499 states and 213505 transitions. [2022-12-13 12:19:56,753 INFO L78 Accepts]: Start accepts. Automaton has 102499 states and 213505 transitions. Word has length 270 [2022-12-13 12:19:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:19:56,754 INFO L495 AbstractCegarLoop]: Abstraction has 102499 states and 213505 transitions. [2022-12-13 12:19:56,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 10.590909090909092) internal successors, (233), 19 states have internal predecessors, (233), 11 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (43), 9 states have call predecessors, (43), 9 states have call successors, (43) [2022-12-13 12:19:56,754 INFO L276 IsEmpty]: Start isEmpty. Operand 102499 states and 213505 transitions. [2022-12-13 12:19:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-12-13 12:19:56,799 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:19:56,799 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:56,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 12:19:57,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 12:19:57,000 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:19:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:19:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1328052384, now seen corresponding path program 1 times [2022-12-13 12:19:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:19:57,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737263152] [2022-12-13 12:19:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:19:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:19:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:19:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:19:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:19:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:19:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 12:19:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 12:19:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 12:19:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:19:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 12:19:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 12:19:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:19:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:19:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:19:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:19:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:19:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:19:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:19:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:19:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 12:19:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:19:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 12:19:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 12:19:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-12-13 12:19:58,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:19:58,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737263152] [2022-12-13 12:19:58,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737263152] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:19:58,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840144901] [2022-12-13 12:19:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:19:58,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:19:58,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:19:58,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:19:58,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 12:19:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:19:59,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 8228 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-13 12:19:59,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:20:00,187 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 9 treesize of output 3 [2022-12-13 12:20:00,222 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 9 treesize of output 3 [2022-12-13 12:20:00,249 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 9 treesize of output 3 [2022-12-13 12:20:00,365 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 19 treesize of output 7 [2022-12-13 12:20:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-13 12:20:00,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:20:00,566 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 9 treesize of output 3 [2022-12-13 12:20:00,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840144901] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:20:00,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:20:00,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2022-12-13 12:20:00,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141943311] [2022-12-13 12:20:00,794 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:20:00,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 12:20:00,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:20:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 12:20:00,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2022-12-13 12:20:00,797 INFO L87 Difference]: Start difference. First operand 102499 states and 213505 transitions. Second operand has 26 states, 22 states have (on average 10.954545454545455) internal successors, (241), 19 states have internal predecessors, (241), 10 states have call successors, (56), 10 states have call predecessors, (56), 8 states have return successors, (41), 8 states have call predecessors, (41), 8 states have call successors, (41) [2022-12-13 12:20:13,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:16,945 WARN L539 Checker$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 12:20:19,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:20,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:22,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:24,016 WARN L539 Checker$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 12:20:26,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:28,031 WARN L539 Checker$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 12:20:29,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:30,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:33,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:35,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:36,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:20:38,774 WARN L539 Checker$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 12:20:57,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:00,405 WARN L539 Checker$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 12:21:01,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:03,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:06,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:08,034 WARN L539 Checker$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 12:21:10,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:11,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:13,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:15,195 WARN L539 Checker$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 12:21:17,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:19,208 WARN L539 Checker$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 12:21:21,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:27,455 WARN L539 Checker$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 12:21:31,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:33,753 WARN L539 Checker$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 12:21:37,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:39,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:41,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:43,178 WARN L539 Checker$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 12:21:44,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:46,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:48,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:49,701 WARN L539 Checker$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 12:21:51,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:21:54,410 WARN L539 Checker$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 12:21:56,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:22:06,887 WARN L539 Checker$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 12:22:09,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:22:18,511 WARN L539 Checker$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 12:22:20,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:22:22,019 WARN L539 Checker$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 12:22:24,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:22:26,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:22:37,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:22:37,883 INFO L93 Difference]: Finished difference Result 240515 states and 546055 transitions. [2022-12-13 12:22:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 12:22:37,884 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 10.954545454545455) internal successors, (241), 19 states have internal predecessors, (241), 10 states have call successors, (56), 10 states have call predecessors, (56), 8 states have return successors, (41), 8 states have call predecessors, (41), 8 states have call successors, (41) Word has length 267 [2022-12-13 12:22:37,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:22:39,313 INFO L225 Difference]: With dead ends: 240515 [2022-12-13 12:22:39,313 INFO L226 Difference]: Without dead ends: 138026 [2022-12-13 12:22:40,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=499, Invalid=3533, Unknown=0, NotChecked=0, Total=4032 [2022-12-13 12:22:40,223 INFO L413 NwaCegarLoop]: 3964 mSDtfsCounter, 8373 mSDsluCounter, 47450 mSDsCounter, 0 mSdLazyCounter, 57714 mSolverCounterSat, 7670 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8733 SdHoareTripleChecker+Valid, 51414 SdHoareTripleChecker+Invalid, 65410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7670 IncrementalHoareTripleChecker+Valid, 57714 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:22:40,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8733 Valid, 51414 Invalid, 65410 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7670 Valid, 57714 Invalid, 26 Unknown, 0 Unchecked, 145.2s Time] [2022-12-13 12:22:40,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138026 states. [2022-12-13 12:22:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138026 to 105235. [2022-12-13 12:22:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105235 states, 72093 states have (on average 1.3299765580569543) internal successors, (95882), 74275 states have internal predecessors, (95882), 26941 states have call successors, (26941), 4409 states have call predecessors, (26941), 6200 states have return successors, (97408), 28383 states have call predecessors, (97408), 26940 states have call successors, (97408) [2022-12-13 12:22:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105235 states to 105235 states and 220231 transitions. [2022-12-13 12:22:51,384 INFO L78 Accepts]: Start accepts. Automaton has 105235 states and 220231 transitions. Word has length 267 [2022-12-13 12:22:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:22:51,384 INFO L495 AbstractCegarLoop]: Abstraction has 105235 states and 220231 transitions. [2022-12-13 12:22:51,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 10.954545454545455) internal successors, (241), 19 states have internal predecessors, (241), 10 states have call successors, (56), 10 states have call predecessors, (56), 8 states have return successors, (41), 8 states have call predecessors, (41), 8 states have call successors, (41) [2022-12-13 12:22:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 105235 states and 220231 transitions. [2022-12-13 12:22:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-12-13 12:22:51,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:22:51,429 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:51,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 12:22:51,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:22:51,631 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:22:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:22:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1379170615, now seen corresponding path program 1 times [2022-12-13 12:22:51,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:22:51,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374912845] [2022-12-13 12:22:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:22:51,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:22:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:22:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:22:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:22:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:22:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 12:22:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 12:22:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 12:22:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:22:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 12:22:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:22:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 12:22:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:22:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:22:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:22:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:22:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:22:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:22:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:22:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 12:22:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 12:22:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 12:22:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-12-13 12:22:53,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:22:53,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374912845] [2022-12-13 12:22:53,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374912845] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:22:53,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224225331] [2022-12-13 12:22:53,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:22:53,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:22:53,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:22:53,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:22:53,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8e65dd-4d0d-48eb-84f7-1920c74c0b82/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 12:22:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:22:54,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 8072 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-13 12:22:54,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:22:54,366 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 12:22:54,600 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 9 treesize of output 3 [2022-12-13 12:22:54,693 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 19 treesize of output 7 [2022-12-13 12:22:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 41 proven. 39 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 12:22:54,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:22:54,894 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 9 treesize of output 3 [2022-12-13 12:22:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 52 proven. 17 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 12:22:55,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224225331] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:22:55,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:22:55,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 11] total 33 [2022-12-13 12:22:55,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194074891] [2022-12-13 12:22:55,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:22:55,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-13 12:22:55,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:22:55,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-13 12:22:55,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=947, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 12:22:55,442 INFO L87 Difference]: Start difference. First operand 105235 states and 220231 transitions. Second operand has 33 states, 28 states have (on average 10.321428571428571) internal successors, (289), 25 states have internal predecessors, (289), 13 states have call successors, (65), 12 states have call predecessors, (65), 10 states have return successors, (47), 10 states have call predecessors, (47), 11 states have call successors, (47) [2022-12-13 12:23:08,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:15,345 WARN L539 Checker$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 12:23:20,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 12:23:22,488 WARN L539 Checker$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 12:23:24,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:26,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:28,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:30,742 WARN L539 Checker$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 12:23:32,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:34,461 WARN L539 Checker$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 12:23:36,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:23:39,657 WARN L539 Checker$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 12:23:41,666 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 []