./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/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 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:37:01,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:37:01,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:37:01,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:37:01,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:37:01,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:37:01,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:37:01,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:37:01,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:37:01,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:37:01,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:37:01,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:37:01,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:37:01,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:37:01,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:37:01,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:37:01,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:37:01,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:37:01,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:37:01,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:37:01,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:37:01,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:37:01,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:37:01,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:37:01,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:37:01,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:37:01,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:37:01,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:37:01,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:37:01,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:37:01,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:37:01,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:37:01,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:37:01,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:37:01,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:37:01,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:37:01,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:37:01,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:37:01,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:37:01,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:37:01,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:37:01,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:37:01,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:37:01,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:37:01,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:37:01,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:37:01,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:37:01,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:37:01,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:37:01,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:37:01,285 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:37:01,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:37:01,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:37:01,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:37:01,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:37:01,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:37:01,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:37:01,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:37:01,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:37:01,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:37:01,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:37:01,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:37:01,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:37:01,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:37:01,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:37:01,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:37:01,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:37:01,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:37:01,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:37:01,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:37:01,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:37:01,289 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:37:01,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:37:01,290 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:37:01,290 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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-12-13 20:37:01,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:37:01,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:37:01,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:37:01,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:37:01,528 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:37:01,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-12-13 20:37:04,045 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:37:04,369 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:37:04,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-12-13 20:37:04,392 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/data/648d041fc/9f33f1656da04ea9956612bd34fd8328/FLAGaee96bc59 [2022-12-13 20:37:04,643 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/data/648d041fc/9f33f1656da04ea9956612bd34fd8328 [2022-12-13 20:37:04,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:37:04,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:37:04,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:37:04,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:37:04,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:37:04,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:37:04" (1/1) ... [2022-12-13 20:37:04,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0ef17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:04, skipping insertion in model container [2022-12-13 20:37:04,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:37:04" (1/1) ... [2022-12-13 20:37:04,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:37:04,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:37:05,315 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 20:37:05,392 WARN L623 FunctionHandler]: Unknown extern function gpiod_set_value_cansleep [2022-12-13 20:37:05,393 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:05,394 WARN L623 FunctionHandler]: Unknown extern function gpiod_set_value_cansleep [2022-12-13 20:37:05,394 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:37:05,398 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:05,403 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 20:37:05,404 WARN L623 FunctionHandler]: Unknown extern function __devm_gpiod_get_optional [2022-12-13 20:37:05,405 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 20:37:05,406 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 20:37:05,482 WARN L623 FunctionHandler]: Unknown extern function of_find_property [2022-12-13 20:37:05,486 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_array [2022-12-13 20:37:05,525 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 20:37:05,531 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 20:37:05,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,559 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 20:37:05,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,560 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 20:37:05,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,561 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:05,562 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:05,562 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 20:37:05,562 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:05,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:05,564 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 20:37:05,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,565 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 20:37:05,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,566 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:05,567 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 20:37:05,567 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:05,571 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 20:37:05,572 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 20:37:05,573 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 20:37:05,577 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 20:37:05,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,587 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 20:37:05,587 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 20:37:05,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,589 WARN L623 FunctionHandler]: Unknown extern function of_device_is_compatible [2022-12-13 20:37:05,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:05,639 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:37:05,644 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 20:37:05,645 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 20:37:05,645 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 20:37:05,646 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 20:37:05,646 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 20:37:05,680 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:37:05,684 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:37:05,695 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:37:05,743 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 20:37:05,750 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 20:37:05,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 20:37:05,764 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 20:37:05,771 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:37:05,787 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 20:37:05,863 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,864 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,927 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:05,936 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:05,946 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,951 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,957 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:05,959 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:05,976 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,976 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:05,977 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:05,981 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:37:05,986 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:05,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,017 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:06,017 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-13 20:37:06,024 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,025 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:06,029 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,030 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,030 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,031 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,032 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,044 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,049 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,051 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,058 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,059 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,060 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:06,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,073 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,080 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,082 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,083 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,086 WARN L623 FunctionHandler]: Unknown extern function usb_hub_clear_tt_buffer [2022-12-13 20:37:06,097 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,098 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,108 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 20:37:06,112 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 20:37:06,113 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 20:37:06,113 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 20:37:06,113 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,121 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,125 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,132 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,134 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-13 20:37:06,135 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:06,139 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,145 WARN L623 FunctionHandler]: Unknown extern function usb_hub_clear_tt_buffer [2022-12-13 20:37:06,149 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-13 20:37:06,155 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,155 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,169 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,170 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,177 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,178 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,179 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,180 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-12-13 20:37:06,190 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,200 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,200 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,201 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,201 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,202 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,202 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,202 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,202 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-13 20:37:06,203 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-13 20:37:06,203 WARN L623 FunctionHandler]: Unknown extern function device_wakeup_enable [2022-12-13 20:37:06,204 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-13 20:37:06,204 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-13 20:37:06,204 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-13 20:37:06,214 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:06,214 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 20:37:06,291 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 20:37:06,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,394 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,410 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,418 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,419 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,425 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,438 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,445 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,450 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,469 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,470 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,471 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,479 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:06,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,486 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,497 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,502 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,523 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,529 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,538 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-13 20:37:06,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,569 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,583 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,588 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,596 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:37:06,602 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,602 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,603 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 20:37:06,603 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 20:37:06,604 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:37:06,605 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:37:06,606 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-12-13 20:37:06,606 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:06,607 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-13 20:37:06,607 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:06,616 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:06,616 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 20:37:06,617 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 20:37:06,617 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:06,618 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:37:06,618 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:37:06,622 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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-12-13 20:37:06,640 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 20:37:06,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:37:06,679 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:37:06,743 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 20:37:06,744 WARN L623 FunctionHandler]: Unknown extern function gpiod_set_value_cansleep [2022-12-13 20:37:06,744 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,745 WARN L623 FunctionHandler]: Unknown extern function gpiod_set_value_cansleep [2022-12-13 20:37:06,745 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:37:06,746 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,747 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 20:37:06,748 WARN L623 FunctionHandler]: Unknown extern function __devm_gpiod_get_optional [2022-12-13 20:37:06,748 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 20:37:06,749 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 20:37:06,751 WARN L623 FunctionHandler]: Unknown extern function of_find_property [2022-12-13 20:37:06,751 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_array [2022-12-13 20:37:06,752 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 20:37:06,753 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 20:37:06,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,756 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 20:37:06,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,757 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 20:37:06,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,757 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:06,758 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,758 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 20:37:06,759 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:06,759 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,759 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 20:37:06,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,760 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 20:37:06,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,760 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:06,761 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 20:37:06,761 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 20:37:06,761 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 20:37:06,762 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 20:37:06,762 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 20:37:06,762 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 20:37:06,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,764 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 20:37:06,764 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 20:37:06,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,765 WARN L623 FunctionHandler]: Unknown extern function of_device_is_compatible [2022-12-13 20:37:06,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:37:06,772 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:37:06,774 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 20:37:06,774 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 20:37:06,775 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 20:37:06,775 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 20:37:06,775 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 20:37:06,776 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:37:06,777 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:37:06,777 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:37:06,778 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 20:37:06,779 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 20:37:06,779 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 20:37:06,779 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 20:37:06,779 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:37:06,780 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 20:37:06,781 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,782 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,785 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,786 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,788 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,789 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,790 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,790 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,791 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,791 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,793 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,793 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,793 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:06,794 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:37:06,795 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,796 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,803 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:06,803 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-13 20:37:06,804 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,805 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:06,806 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,806 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,807 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,807 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,808 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,813 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,814 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,816 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,818 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,818 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,819 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 20:37:06,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,822 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,824 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,825 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,827 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,830 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,834 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,836 WARN L623 FunctionHandler]: Unknown extern function usb_hub_clear_tt_buffer [2022-12-13 20:37:06,837 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,837 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,854 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 20:37:06,856 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-13 20:37:06,856 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-13 20:37:06,857 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 20:37:06,857 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,858 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,860 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,860 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,864 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,865 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,866 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-13 20:37:06,867 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:06,868 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,874 WARN L623 FunctionHandler]: Unknown extern function usb_hub_clear_tt_buffer [2022-12-13 20:37:06,875 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-13 20:37:06,877 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,878 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,882 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,882 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:37:06,885 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,886 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,887 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,888 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,889 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-12-13 20:37:06,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:37:06,893 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,893 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,893 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 20:37:06,893 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,894 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,894 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,894 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 20:37:06,894 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-13 20:37:06,895 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-13 20:37:06,895 WARN L623 FunctionHandler]: Unknown extern function device_wakeup_enable [2022-12-13 20:37:06,896 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-13 20:37:06,896 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-13 20:37:06,896 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-13 20:37:06,904 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:06,904 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 20:37:06,905 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 20:37:06,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,915 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,919 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,927 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,944 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,948 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:06,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,969 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,970 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:06,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,986 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:37:06,988 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:37:06,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,991 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:06,998 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:06,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,000 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:07,001 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-13 20:37:07,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,005 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:07,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:07,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,007 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 20:37:07,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,011 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,013 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,017 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:37:07,028 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:37:07,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:07,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:37:07,031 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 20:37:07,031 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-13 20:37:07,032 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:37:07,033 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 20:37:07,034 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-12-13 20:37:07,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:07,035 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-13 20:37:07,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:37:07,041 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:07,041 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 20:37:07,042 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 20:37:07,042 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 20:37:07,043 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:37:07,043 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:37:07,043 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_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-12-13 20:37:07,044 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 20:37:07,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:37:07,097 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:37:07,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07 WrapperNode [2022-12-13 20:37:07,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:37:07,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:37:07,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:37:07,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:37:07,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,321 INFO L138 Inliner]: procedures = 335, calls = 3953, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7650 [2022-12-13 20:37:07,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:37:07,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:37:07,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:37:07,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:37:07,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:37:07,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:37:07,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:37:07,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:37:07,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (1/1) ... [2022-12-13 20:37:07,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:37:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:37:07,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:37:07,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-12-13 20:37:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-12-13 20:37:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-13 20:37:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-12-13 20:37:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-12-13 20:37:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-12-13 20:37:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-12-13 20:37:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 20:37:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-12-13 20:37:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-12-13 20:37:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 20:37:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 20:37:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-12-13 20:37:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-12-13 20:37:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-12-13 20:37:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-12-13 20:37:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-12-13 20:37:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-12-13 20:37:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-13 20:37:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-13 20:37:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-12-13 20:37:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-12-13 20:37:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-12-13 20:37:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-12-13 20:37:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 20:37:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 20:37:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-12-13 20:37:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-12-13 20:37:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 20:37:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 20:37:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-12-13 20:37:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 20:37:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 20:37:08,304 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:37:08,307 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:37:08,680 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 20:41:07,053 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:41:07,070 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:41:07,070 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:41:07,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:41:07 BoogieIcfgContainer [2022-12-13 20:41:07,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:41:07,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:41:07,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:41:07,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:41:07,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:37:04" (1/3) ... [2022-12-13 20:41:07,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659f78fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:41:07, skipping insertion in model container [2022-12-13 20:41:07,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:37:07" (2/3) ... [2022-12-13 20:41:07,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659f78fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:41:07, skipping insertion in model container [2022-12-13 20:41:07,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:41:07" (3/3) ... [2022-12-13 20:41:07,079 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-12-13 20:41:07,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:41:07,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:41:07,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:41:07,170 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;@703f1de3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:41:07,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:41:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 2538 states, 1755 states have (on average 1.3726495726495727) internal successors, (2409), 1826 states have internal predecessors, (2409), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2022-12-13 20:41:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 20:41:07,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:07,195 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:07,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:41:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1033865517, now seen corresponding path program 1 times [2022-12-13 20:41:07,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:07,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927659704] [2022-12-13 20:41:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:07,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:41:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 20:41:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:41:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 20:41:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:41:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 20:41:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:08,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927659704] [2022-12-13 20:41:08,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927659704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:08,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:08,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:41:08,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058173597] [2022-12-13 20:41:08,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:08,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:41:08,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:08,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:41:08,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:41:08,258 INFO L87 Difference]: Start difference. First operand has 2538 states, 1755 states have (on average 1.3726495726495727) internal successors, (2409), 1826 states have internal predecessors, (2409), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:41:10,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:21,249 INFO L93 Difference]: Finished difference Result 5263 states and 7794 transitions. [2022-12-13 20:41:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:41:21,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2022-12-13 20:41:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:21,278 INFO L225 Difference]: With dead ends: 5263 [2022-12-13 20:41:21,278 INFO L226 Difference]: Without dead ends: 2709 [2022-12-13 20:41:21,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:21,294 INFO L413 NwaCegarLoop]: 2693 mSDtfsCounter, 2401 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 2610 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2456 SdHoareTripleChecker+Valid, 4228 SdHoareTripleChecker+Invalid, 4521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2610 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:21,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2456 Valid, 4228 Invalid, 4521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2610 Valid, 1910 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-12-13 20:41:21,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2022-12-13 20:41:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2517. [2022-12-13 20:41:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1744 states have (on average 1.3612385321100917) internal successors, (2374), 1806 states have internal predecessors, (2374), 638 states have call successors, (638), 135 states have call predecessors, (638), 134 states have return successors, (637), 626 states have call predecessors, (637), 637 states have call successors, (637) [2022-12-13 20:41:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3649 transitions. [2022-12-13 20:41:21,448 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3649 transitions. Word has length 92 [2022-12-13 20:41:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:21,449 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3649 transitions. [2022-12-13 20:41:21,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:41:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3649 transitions. [2022-12-13 20:41:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 20:41:21,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:21,453 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:21,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:41:21,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:41:21,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:21,454 INFO L85 PathProgramCache]: Analyzing trace with hash 174677591, now seen corresponding path program 1 times [2022-12-13 20:41:21,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:21,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811590950] [2022-12-13 20:41:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:21,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:41:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 20:41:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:41:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 20:41:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 20:41:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 20:41:22,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:22,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811590950] [2022-12-13 20:41:22,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811590950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:22,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:22,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:41:22,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319051347] [2022-12-13 20:41:22,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:22,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:41:22,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:22,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:41:22,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:22,299 INFO L87 Difference]: Start difference. First operand 2517 states and 3649 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:41:24,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:26,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:28,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:51,129 INFO L93 Difference]: Finished difference Result 7502 states and 10931 transitions. [2022-12-13 20:41:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:41:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2022-12-13 20:41:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:51,153 INFO L225 Difference]: With dead ends: 7502 [2022-12-13 20:41:51,153 INFO L226 Difference]: Without dead ends: 4992 [2022-12-13 20:41:51,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:41:51,162 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 7255 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 3907 mSolverCounterSat, 5218 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7608 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 9128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5218 IncrementalHoareTripleChecker+Valid, 3907 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:51,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7608 Valid, 6825 Invalid, 9128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5218 Valid, 3907 Invalid, 3 Unknown, 0 Unchecked, 28.1s Time] [2022-12-13 20:41:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2022-12-13 20:41:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4607. [2022-12-13 20:41:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4607 states, 3208 states have (on average 1.3606608478802993) internal successors, (4365), 3318 states have internal predecessors, (4365), 1147 states have call successors, (1147), 252 states have call predecessors, (1147), 251 states have return successors, (1146), 1129 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 20:41:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6658 transitions. [2022-12-13 20:41:51,330 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6658 transitions. Word has length 92 [2022-12-13 20:41:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:51,330 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6658 transitions. [2022-12-13 20:41:51,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:41:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6658 transitions. [2022-12-13 20:41:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-13 20:41:51,336 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:51,336 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:51,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:41:51,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:41:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash -980148194, now seen corresponding path program 1 times [2022-12-13 20:41:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:51,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364143171] [2022-12-13 20:41:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:41:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 20:41:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 20:41:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 20:41:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 20:41:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 20:41:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 20:41:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 20:41:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 20:41:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 20:41:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-12-13 20:41:52,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:52,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364143171] [2022-12-13 20:41:52,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364143171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:52,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:52,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:41:52,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555670356] [2022-12-13 20:41:52,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:52,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:41:52,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:52,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:41:52,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:52,232 INFO L87 Difference]: Start difference. First operand 4607 states and 6658 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 20:41:54,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:19,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:19,107 INFO L93 Difference]: Finished difference Result 12132 states and 17469 transitions. [2022-12-13 20:42:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:42:19,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 160 [2022-12-13 20:42:19,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:19,136 INFO L225 Difference]: With dead ends: 12132 [2022-12-13 20:42:19,136 INFO L226 Difference]: Without dead ends: 7532 [2022-12-13 20:42:19,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:42:19,149 INFO L413 NwaCegarLoop]: 3652 mSDtfsCounter, 5217 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 4168 mSolverCounterSat, 3896 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 7831 SdHoareTripleChecker+Invalid, 8065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3896 IncrementalHoareTripleChecker+Valid, 4168 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:19,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5501 Valid, 7831 Invalid, 8065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3896 Valid, 4168 Invalid, 1 Unknown, 0 Unchecked, 26.1s Time] [2022-12-13 20:42:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7532 states. [2022-12-13 20:42:19,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7532 to 7002. [2022-12-13 20:42:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7002 states, 4882 states have (on average 1.3494469479721425) internal successors, (6588), 5039 states have internal predecessors, (6588), 1691 states have call successors, (1691), 429 states have call predecessors, (1691), 428 states have return successors, (1690), 1666 states have call predecessors, (1690), 1690 states have call successors, (1690) [2022-12-13 20:42:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7002 states to 7002 states and 9969 transitions. [2022-12-13 20:42:19,364 INFO L78 Accepts]: Start accepts. Automaton has 7002 states and 9969 transitions. Word has length 160 [2022-12-13 20:42:19,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:19,364 INFO L495 AbstractCegarLoop]: Abstraction has 7002 states and 9969 transitions. [2022-12-13 20:42:19,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 20:42:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 7002 states and 9969 transitions. [2022-12-13 20:42:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 20:42:19,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:19,369 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:19,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:42:19,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:42:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:19,370 INFO L85 PathProgramCache]: Analyzing trace with hash -967552760, now seen corresponding path program 1 times [2022-12-13 20:42:19,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:19,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407408149] [2022-12-13 20:42:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:42:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:42:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 20:42:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 20:42:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 20:42:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 20:42:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 20:42:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 20:42:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 20:42:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 20:42:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 20:42:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:42:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 20:42:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 20:42:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 20:42:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 20:42:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 20:42:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 20:42:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 20:42:20,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:20,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407408149] [2022-12-13 20:42:20,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407408149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:20,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:20,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:42:20,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262611602] [2022-12-13 20:42:20,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:20,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:42:20,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:42:20,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:42:20,384 INFO L87 Difference]: Start difference. First operand 7002 states and 9969 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 20:42:22,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:24,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:26,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:29,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:22,599 INFO L93 Difference]: Finished difference Result 22301 states and 32033 transitions. [2022-12-13 20:43:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:43:22,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 234 [2022-12-13 20:43:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:22,665 INFO L225 Difference]: With dead ends: 22301 [2022-12-13 20:43:22,665 INFO L226 Difference]: Without dead ends: 15306 [2022-12-13 20:43:22,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:43:22,684 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 6951 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 8051 mSolverCounterSat, 4213 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7450 SdHoareTripleChecker+Valid, 8408 SdHoareTripleChecker+Invalid, 12268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4213 IncrementalHoareTripleChecker+Valid, 8051 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:22,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7450 Valid, 8408 Invalid, 12268 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4213 Valid, 8051 Invalid, 4 Unknown, 0 Unchecked, 60.1s Time] [2022-12-13 20:43:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15306 states. [2022-12-13 20:43:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15306 to 13457. [2022-12-13 20:43:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13457 states, 9393 states have (on average 1.3504737570531247) internal successors, (12685), 9706 states have internal predecessors, (12685), 3247 states have call successors, (3247), 817 states have call predecessors, (3247), 816 states have return successors, (3246), 3195 states have call predecessors, (3246), 3246 states have call successors, (3246) [2022-12-13 20:43:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13457 states to 13457 states and 19178 transitions. [2022-12-13 20:43:23,365 INFO L78 Accepts]: Start accepts. Automaton has 13457 states and 19178 transitions. Word has length 234 [2022-12-13 20:43:23,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:23,366 INFO L495 AbstractCegarLoop]: Abstraction has 13457 states and 19178 transitions. [2022-12-13 20:43:23,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 20:43:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 13457 states and 19178 transitions. [2022-12-13 20:43:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-13 20:43:23,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:23,375 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 20:43:23,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:43:23,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash -915538349, now seen corresponding path program 1 times [2022-12-13 20:43:23,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:23,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064561021] [2022-12-13 20:43:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:43:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:43:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:43:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 20:43:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 20:43:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:43:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 20:43:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:43:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 20:43:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 20:43:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 20:43:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 20:43:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:43:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 20:43:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 20:43:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 20:43:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 20:43:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 20:43:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 20:43:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 20:43:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 20:43:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 20:43:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 20:43:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-12-13 20:43:24,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:24,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064561021] [2022-12-13 20:43:24,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064561021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:24,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:43:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678977396] [2022-12-13 20:43:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:24,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:43:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:24,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:43:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:43:24,394 INFO L87 Difference]: Start difference. First operand 13457 states and 19178 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 20:43:26,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:28,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:30,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:33,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:44:53,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:44:53,033 INFO L93 Difference]: Finished difference Result 41459 states and 59617 transitions. [2022-12-13 20:44:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:44:53,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 255 [2022-12-13 20:44:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:44:53,128 INFO L225 Difference]: With dead ends: 41459 [2022-12-13 20:44:53,128 INFO L226 Difference]: Without dead ends: 28009 [2022-12-13 20:44:53,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:44:53,163 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 5874 mSDsluCounter, 8185 mSDsCounter, 0 mSdLazyCounter, 11699 mSolverCounterSat, 3547 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6371 SdHoareTripleChecker+Valid, 11589 SdHoareTripleChecker+Invalid, 15250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3547 IncrementalHoareTripleChecker+Valid, 11699 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:44:53,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6371 Valid, 11589 Invalid, 15250 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3547 Valid, 11699 Invalid, 4 Unknown, 0 Unchecked, 85.5s Time] [2022-12-13 20:44:53,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28009 states. [2022-12-13 20:44:54,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28009 to 24854. [2022-12-13 20:44:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24854 states, 17195 states have (on average 1.3520209363186972) internal successors, (23248), 17806 states have internal predecessors, (23248), 6136 states have call successors, (6136), 1523 states have call predecessors, (6136), 1522 states have return successors, (6135), 6030 states have call predecessors, (6135), 6135 states have call successors, (6135) [2022-12-13 20:44:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24854 states to 24854 states and 35519 transitions. [2022-12-13 20:44:54,457 INFO L78 Accepts]: Start accepts. Automaton has 24854 states and 35519 transitions. Word has length 255 [2022-12-13 20:44:54,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:44:54,457 INFO L495 AbstractCegarLoop]: Abstraction has 24854 states and 35519 transitions. [2022-12-13 20:44:54,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 20:44:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24854 states and 35519 transitions. [2022-12-13 20:44:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-12-13 20:44:54,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:44:54,473 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 20:44:54,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:44:54,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:44:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:44:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash -115399473, now seen corresponding path program 1 times [2022-12-13 20:44:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:44:54,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059706099] [2022-12-13 20:44:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:44:54,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:44:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:44:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:44:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:44:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:44:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:44:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:44:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:44:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:44:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 20:44:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:44:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:44:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:44:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:44:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 20:44:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 20:44:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2022-12-13 20:44:55,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:44:55,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059706099] [2022-12-13 20:44:55,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059706099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:44:55,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:44:55,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:44:55,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012033499] [2022-12-13 20:44:55,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:44:55,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:44:55,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:44:55,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:44:55,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:44:55,497 INFO L87 Difference]: Start difference. First operand 24854 states and 35519 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 20:44:57,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:44:59,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:02,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:45:35,108 INFO L93 Difference]: Finished difference Result 29524 states and 41970 transitions. [2022-12-13 20:45:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:45:35,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 263 [2022-12-13 20:45:35,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:45:35,199 INFO L225 Difference]: With dead ends: 29524 [2022-12-13 20:45:35,199 INFO L226 Difference]: Without dead ends: 29521 [2022-12-13 20:45:35,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:45:35,208 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 4531 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 3231 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 8267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3231 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:45:35,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4738 Valid, 6886 Invalid, 8267 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3231 Valid, 5033 Invalid, 3 Unknown, 0 Unchecked, 37.3s Time] [2022-12-13 20:45:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29521 states. [2022-12-13 20:45:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29521 to 26477. [2022-12-13 20:45:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26477 states, 18232 states have (on average 1.3395129442738043) internal successors, (24422), 18867 states have internal predecessors, (24422), 6399 states have call successors, (6399), 1846 states have call predecessors, (6399), 1845 states have return successors, (6398), 6293 states have call predecessors, (6398), 6398 states have call successors, (6398) [2022-12-13 20:45:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26477 states to 26477 states and 37219 transitions. [2022-12-13 20:45:36,536 INFO L78 Accepts]: Start accepts. Automaton has 26477 states and 37219 transitions. Word has length 263 [2022-12-13 20:45:36,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:45:36,536 INFO L495 AbstractCegarLoop]: Abstraction has 26477 states and 37219 transitions. [2022-12-13 20:45:36,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 20:45:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 26477 states and 37219 transitions. [2022-12-13 20:45:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-12-13 20:45:36,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:45:36,615 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-12-13 20:45:36,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:45:36,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:45:36,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:45:36,615 INFO L85 PathProgramCache]: Analyzing trace with hash -297187372, now seen corresponding path program 1 times [2022-12-13 20:45:36,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:45:36,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441431334] [2022-12-13 20:45:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:45:36,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:45:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:45:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:45:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:45:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:45:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:45:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:45:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:45:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:45:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 20:45:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:45:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 20:45:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 20:45:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:45:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:45:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 20:45:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 20:45:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 20:45:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 20:45:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 20:45:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 20:45:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 20:45:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 20:45:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 20:45:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2022-12-13 20:45:37,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:45:37,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441431334] [2022-12-13 20:45:37,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441431334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:45:37,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:45:37,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:45:37,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723205903] [2022-12-13 20:45:37,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:45:37,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:45:37,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:45:37,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:45:37,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:45:37,739 INFO L87 Difference]: Start difference. First operand 26477 states and 37219 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 20:45:39,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:42,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:44,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:46,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:48,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:51,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:47:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:47:12,914 INFO L93 Difference]: Finished difference Result 76564 states and 108987 transitions. [2022-12-13 20:47:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 20:47:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 356 [2022-12-13 20:47:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:47:13,089 INFO L225 Difference]: With dead ends: 76564 [2022-12-13 20:47:13,089 INFO L226 Difference]: Without dead ends: 50094 [2022-12-13 20:47:13,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-12-13 20:47:13,152 INFO L413 NwaCegarLoop]: 1899 mSDtfsCounter, 8965 mSDsluCounter, 5232 mSDsCounter, 0 mSdLazyCounter, 12800 mSolverCounterSat, 6302 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9367 SdHoareTripleChecker+Valid, 7131 SdHoareTripleChecker+Invalid, 19108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6302 IncrementalHoareTripleChecker+Valid, 12800 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:47:13,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9367 Valid, 7131 Invalid, 19108 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6302 Valid, 12800 Invalid, 6 Unknown, 0 Unchecked, 90.0s Time] [2022-12-13 20:47:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50094 states. [2022-12-13 20:47:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50094 to 43148. [2022-12-13 20:47:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43148 states, 29898 states have (on average 1.3437019198608602) internal successors, (40174), 30982 states have internal predecessors, (40174), 10300 states have call successors, (10300), 2950 states have call predecessors, (10300), 2949 states have return successors, (10299), 10119 states have call predecessors, (10299), 10299 states have call successors, (10299) [2022-12-13 20:47:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43148 states to 43148 states and 60773 transitions. [2022-12-13 20:47:15,729 INFO L78 Accepts]: Start accepts. Automaton has 43148 states and 60773 transitions. Word has length 356 [2022-12-13 20:47:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:47:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 43148 states and 60773 transitions. [2022-12-13 20:47:15,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 20:47:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 43148 states and 60773 transitions. [2022-12-13 20:47:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-12-13 20:47:15,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:47:15,758 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-12-13 20:47:15,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:47:15,759 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:47:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:47:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2114978849, now seen corresponding path program 1 times [2022-12-13 20:47:15,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:47:15,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017874311] [2022-12-13 20:47:15,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:47:15,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:47:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:47:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:47:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:47:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:47:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:47:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:47:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:47:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:47:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 20:47:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:47:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 20:47:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 20:47:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:47:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 20:47:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 20:47:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 20:47:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 20:47:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 20:47:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:47:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:47:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 20:47:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 20:47:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2022-12-13 20:47:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:47:17,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017874311] [2022-12-13 20:47:17,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017874311] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:47:17,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650697987] [2022-12-13 20:47:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:47:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:47:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:47:17,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:47:17,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:47:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:19,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 7036 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:47:19,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:47:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-12-13 20:47:19,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:47:19,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650697987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:47:19,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:47:19,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2022-12-13 20:47:19,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424592398] [2022-12-13 20:47:19,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:47:19,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:47:19,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:47:19,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:47:19,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:47:19,543 INFO L87 Difference]: Start difference. First operand 43148 states and 60773 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-13 20:47:22,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:47:22,703 INFO L93 Difference]: Finished difference Result 89349 states and 126814 transitions. [2022-12-13 20:47:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:47:22,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 355 [2022-12-13 20:47:22,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:47:22,850 INFO L225 Difference]: With dead ends: 89349 [2022-12-13 20:47:22,850 INFO L226 Difference]: Without dead ends: 46208 [2022-12-13 20:47:22,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:47:22,949 INFO L413 NwaCegarLoop]: 3848 mSDtfsCounter, 159 mSDsluCounter, 7474 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 11322 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:47:22,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 11322 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:47:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46208 states. [2022-12-13 20:47:25,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46208 to 43968. [2022-12-13 20:47:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43968 states, 30498 states have (on average 1.3461210571184996) internal successors, (41054), 31622 states have internal predecessors, (41054), 10520 states have call successors, (10520), 2950 states have call predecessors, (10520), 2949 states have return successors, (10519), 10339 states have call predecessors, (10519), 10519 states have call successors, (10519) [2022-12-13 20:47:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43968 states to 43968 states and 62093 transitions. [2022-12-13 20:47:25,787 INFO L78 Accepts]: Start accepts. Automaton has 43968 states and 62093 transitions. Word has length 355 [2022-12-13 20:47:25,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:47:25,788 INFO L495 AbstractCegarLoop]: Abstraction has 43968 states and 62093 transitions. [2022-12-13 20:47:25,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-13 20:47:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43968 states and 62093 transitions. [2022-12-13 20:47:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-12-13 20:47:25,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:47:25,822 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-12-13 20:47:25,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:47:26,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:47:26,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:47:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:47:26,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1182499190, now seen corresponding path program 1 times [2022-12-13 20:47:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:47:26,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540517698] [2022-12-13 20:47:26,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:47:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:47:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:47:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:47:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:47:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:47:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:47:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:47:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:47:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:47:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 20:47:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:47:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 20:47:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 20:47:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:47:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 20:47:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 20:47:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 20:47:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 20:47:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 20:47:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-12-13 20:47:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:47:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 20:47:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 20:47:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2022-12-13 20:47:29,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:47:29,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540517698] [2022-12-13 20:47:29,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540517698] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:47:29,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375902688] [2022-12-13 20:47:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:47:29,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:47:29,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:47:29,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:47:29,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:48:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:00,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 6983 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 20:48:00,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:48:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2022-12-13 20:48:00,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:48:00,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375902688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:48:00,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:48:00,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2022-12-13 20:48:00,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778408381] [2022-12-13 20:48:00,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:48:00,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:48:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:48:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:48:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:48:00,668 INFO L87 Difference]: Start difference. First operand 43968 states and 62093 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 20:48:03,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:48:03,554 INFO L93 Difference]: Finished difference Result 88133 states and 125094 transitions. [2022-12-13 20:48:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:48:03,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 355 [2022-12-13 20:48:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:48:03,730 INFO L225 Difference]: With dead ends: 88133 [2022-12-13 20:48:03,730 INFO L226 Difference]: Without dead ends: 44044 [2022-12-13 20:48:03,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-12-13 20:48:03,837 INFO L413 NwaCegarLoop]: 3633 mSDtfsCounter, 6 mSDsluCounter, 14497 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18130 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:48:03,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18130 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:48:03,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44044 states. [2022-12-13 20:48:06,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44044 to 44044. [2022-12-13 20:48:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44044 states, 30558 states have (on average 1.3459650500687217) internal successors, (41130), 31698 states have internal predecessors, (41130), 10520 states have call successors, (10520), 2950 states have call predecessors, (10520), 2965 states have return successors, (10551), 10339 states have call predecessors, (10551), 10519 states have call successors, (10551) [2022-12-13 20:48:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44044 states to 44044 states and 62201 transitions. [2022-12-13 20:48:06,222 INFO L78 Accepts]: Start accepts. Automaton has 44044 states and 62201 transitions. Word has length 355 [2022-12-13 20:48:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:48:06,223 INFO L495 AbstractCegarLoop]: Abstraction has 44044 states and 62201 transitions. [2022-12-13 20:48:06,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 20:48:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 44044 states and 62201 transitions. [2022-12-13 20:48:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-12-13 20:48:06,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:48:06,246 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-12-13 20:48:06,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:48:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:48:06,447 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:48:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:48:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1538151821, now seen corresponding path program 1 times [2022-12-13 20:48:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:48:06,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230199699] [2022-12-13 20:48:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:48:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:48:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:48:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:48:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:48:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:48:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:48:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:48:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:48:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 20:48:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 20:48:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:48:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 20:48:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 20:48:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:48:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:48:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 20:48:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 20:48:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 20:48:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 20:48:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 20:48:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-12-13 20:48:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 20:48:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:48:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 20:48:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-12-13 20:48:08,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:48:08,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230199699] [2022-12-13 20:48:08,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230199699] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:48:08,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176407073] [2022-12-13 20:48:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:48:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:48:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:48:08,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:48:08,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8164f0f4-5bec-4721-bb45-a0c8ec524ff5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 20:48:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:36,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 7111 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 20:48:36,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:48:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-12-13 20:48:36,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:48:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-12-13 20:48:37,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176407073] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:48:37,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:48:37,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 18 [2022-12-13 20:48:37,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276302259] [2022-12-13 20:48:37,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:48:37,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 20:48:37,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:48:37,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 20:48:37,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-12-13 20:48:37,754 INFO L87 Difference]: Start difference. First operand 44044 states and 62201 transitions. Second operand has 18 states, 16 states have (on average 10.375) internal successors, (166), 13 states have internal predecessors, (166), 4 states have call successors, (68), 7 states have call predecessors, (68), 6 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-12-13 20:48:39,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:42,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:44,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:46,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:51:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:00,774 INFO L93 Difference]: Finished difference Result 95026 states and 135661 transitions. [2022-12-13 20:51:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 20:51:00,776 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 10.375) internal successors, (166), 13 states have internal predecessors, (166), 4 states have call successors, (68), 7 states have call predecessors, (68), 6 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 361 [2022-12-13 20:51:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:00,941 INFO L225 Difference]: With dead ends: 95026 [2022-12-13 20:51:00,941 INFO L226 Difference]: Without dead ends: 50861 [2022-12-13 20:51:01,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 816 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2022-12-13 20:51:01,040 INFO L413 NwaCegarLoop]: 1548 mSDtfsCounter, 5272 mSDsluCounter, 13692 mSDsCounter, 0 mSdLazyCounter, 23860 mSolverCounterSat, 4551 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5523 SdHoareTripleChecker+Valid, 15240 SdHoareTripleChecker+Invalid, 28415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 4551 IncrementalHoareTripleChecker+Valid, 23860 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:01,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5523 Valid, 15240 Invalid, 28415 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [4551 Valid, 23860 Invalid, 4 Unknown, 0 Unchecked, 136.1s Time] [2022-12-13 20:51:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50861 states.