./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--gadget--udc--gr_udc.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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/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--gadget--udc--gr_udc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/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 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:42:13,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:42:13,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:42:13,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:42:13,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:42:13,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:42:13,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:42:13,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:42:13,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:42:13,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:42:13,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:42:13,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:42:13,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:42:13,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:42:13,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:42:13,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:42:13,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:42:13,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:42:13,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:42:13,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:42:13,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:42:13,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:42:13,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:42:13,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:42:13,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:42:13,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:42:13,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:42:13,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:42:13,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:42:13,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:42:13,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:42:13,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:42:13,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:42:13,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:42:13,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:42:13,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:42:13,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:42:13,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:42:13,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:42:13,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:42:13,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:42:13,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:42:13,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:42:13,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:42:13,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:42:13,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:42:13,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:42:13,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:42:13,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:42:13,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:42:13,969 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:42:13,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:42:13,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:42:13,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:42:13,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:42:13,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:42:13,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:42:13,972 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:42:13,972 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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd [2022-12-13 18:42:14,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:42:14,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:42:14,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:42:14,156 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:42:14,156 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:42:14,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-12-13 18:42:16,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:42:17,057 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:42:17,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-12-13 18:42:17,079 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/data/4c08a3d37/49273f0f91964b80992732f5e9717a3b/FLAGe5b1eabf0 [2022-12-13 18:42:17,089 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/data/4c08a3d37/49273f0f91964b80992732f5e9717a3b [2022-12-13 18:42:17,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:42:17,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:42:17,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:42:17,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:42:17,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:42:17,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:42:17" (1/1) ... [2022-12-13 18:42:17,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27907e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:17, skipping insertion in model container [2022-12-13 18:42:17,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:42:17" (1/1) ... [2022-12-13 18:42:17,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:42:17,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:42:17,627 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 18:42:17,638 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 18:42:17,692 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 18:42:17,703 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 18:42:17,714 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:42:17,837 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 18:42:17,962 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:17,963 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:17,964 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,964 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,965 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,965 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,966 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,966 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,967 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,967 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,968 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,968 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,969 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,969 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,969 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,970 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,972 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,973 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:17,974 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:17,975 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,975 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,977 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:17,981 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:17,981 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:17,982 WARN L623 FunctionHandler]: Unknown extern function usb_state_string [2022-12-13 18:42:17,982 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,982 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,983 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:17,983 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,984 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,984 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,984 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:17,990 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 18:42:17,994 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 18:42:17,995 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 18:42:17,998 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 18:42:17,998 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 18:42:18,002 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,006 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-13 18:42:18,017 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-12-13 18:42:18,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,022 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,023 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-13 18:42:18,031 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,032 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,032 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,038 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,039 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,056 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,057 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,058 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,058 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,059 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-12-13 18:42:18,059 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,070 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,070 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,073 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,074 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,074 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,074 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,081 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,082 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,082 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,088 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,092 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,095 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,095 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,102 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,110 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,111 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,116 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,116 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,124 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,129 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,132 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,139 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,140 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,141 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,144 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,144 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,147 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,147 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,153 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,157 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,162 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,163 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,166 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,167 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,169 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:18,170 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,170 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,171 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:18,172 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,173 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,175 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,181 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,181 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,188 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,189 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,190 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,191 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,191 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,194 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,194 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,200 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,203 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 18:42:18,204 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:42:18,222 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,226 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,226 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,229 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,232 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,232 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,235 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,236 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,250 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 18:42:18,254 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-12-13 18:42:18,254 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-12-13 18:42:18,255 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,255 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,256 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,256 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,259 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 18:42:18,262 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-13 18:42:18,262 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-13 18:42:18,269 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 18:42:18,269 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 18:42:18,269 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,270 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,270 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,271 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:42:18,271 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,272 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,272 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-13 18:42:18,272 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,273 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-12-13 18:42:18,273 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,273 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,274 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,274 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,274 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,275 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,298 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 18:42:18,299 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 18:42:18,299 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 18:42:18,299 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 18:42:18,303 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 18:42:18,304 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 18:42:18,305 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 18:42:18,306 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 18:42:18,306 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 18:42:18,309 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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-12-13 18:42:18,321 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 18:42:18,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:42:18,372 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:42:18,417 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 18:42:18,417 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 18:42:18,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 18:42:18,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 18:42:18,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:42:18,420 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 18:42:18,425 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,425 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,428 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,428 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,428 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,428 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,429 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,429 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,430 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:18,430 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:18,431 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,431 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,432 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:18,432 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,433 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,433 WARN L623 FunctionHandler]: Unknown extern function usb_state_string [2022-12-13 18:42:18,433 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,433 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,433 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:18,434 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,434 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,434 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,434 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,435 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 18:42:18,435 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 18:42:18,436 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 18:42:18,437 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 18:42:18,437 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 18:42:18,437 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 18:42:18,437 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 18:42:18,438 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,440 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-13 18:42:18,442 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-12-13 18:42:18,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,445 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,445 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-13 18:42:18,446 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,447 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,447 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,448 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,454 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,455 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,455 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,455 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,456 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-12-13 18:42:18,456 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,458 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,458 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,458 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,459 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,459 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,459 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,464 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,468 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,470 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,470 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,472 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,473 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,473 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,475 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,475 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,478 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,479 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,480 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,484 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,484 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,485 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,485 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,486 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,487 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,487 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,490 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,490 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,491 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,493 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:18,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,494 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,494 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-13 18:42:18,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,496 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,497 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-12-13 18:42:18,499 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,502 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,503 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,504 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,504 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,521 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,521 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,521 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,522 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,523 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 18:42:18,528 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 18:42:18,528 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:42:18,533 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,534 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,534 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,535 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,536 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,536 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,541 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 18:42:18,542 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-12-13 18:42:18,542 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-12-13 18:42:18,543 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,543 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,543 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,543 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-13 18:42:18,544 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 18:42:18,544 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-13 18:42:18,545 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-13 18:42:18,546 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 18:42:18,546 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 18:42:18,546 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,546 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,547 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,547 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 18:42:18,547 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,547 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:42:18,548 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-13 18:42:18,548 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,548 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-13 18:42:18,548 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,548 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-12-13 18:42:18,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:42:18,550 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,550 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 18:42:18,560 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 18:42:18,560 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 18:42:18,561 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 18:42:18,561 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 18:42:18,564 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 18:42:18,565 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 18:42:18,565 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-13 18:42:18,566 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 18:42:18,566 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 18:42:18,566 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_07efa4a4-f9d9-4292-9164-4d5da380cdfb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-12-13 18:42:18,567 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 18:42:18,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:42:18,608 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:42:18,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18 WrapperNode [2022-12-13 18:42:18,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:42:18,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:42:18,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:42:18,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:42:18,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,759 INFO L138 Inliner]: procedures = 222, calls = 2703, calls flagged for inlining = 88, calls inlined = 85, statements flattened = 5072 [2022-12-13 18:42:18,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:42:18,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:42:18,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:42:18,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:42:18,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:42:18,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:42:18,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:42:18,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:42:18,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (1/1) ... [2022-12-13 18:42:18,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:42:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:42:18,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:42:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:42:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2022-12-13 18:42:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2022-12-13 18:42:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2022-12-13 18:42:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2022-12-13 18:42:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 18:42:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2022-12-13 18:42:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2022-12-13 18:42:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 18:42:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 18:42:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 18:42:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-12-13 18:42:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-12-13 18:42:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 18:42:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 18:42:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2022-12-13 18:42:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2022-12-13 18:42:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 18:42:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 18:42:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 18:42:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 18:42:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-13 18:42:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-13 18:42:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2022-12-13 18:42:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2022-12-13 18:42:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2022-12-13 18:42:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2022-12-13 18:42:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 18:42:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2022-12-13 18:42:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2022-12-13 18:42:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 18:42:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 18:42:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-12-13 18:42:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-12-13 18:42:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 18:42:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 18:42:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2022-12-13 18:42:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2022-12-13 18:42:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:42:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 18:42:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 18:42:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2022-12-13 18:42:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2022-12-13 18:42:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2022-12-13 18:42:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2022-12-13 18:42:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 18:42:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 18:42:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 18:42:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2022-12-13 18:42:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 18:42:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2022-12-13 18:42:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2022-12-13 18:42:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2022-12-13 18:42:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-12-13 18:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2022-12-13 18:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2022-12-13 18:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2022-12-13 18:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2022-12-13 18:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2022-12-13 18:42:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2022-12-13 18:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 18:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2022-12-13 18:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2022-12-13 18:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2022-12-13 18:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 18:42:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 18:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2022-12-13 18:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2022-12-13 18:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-12-13 18:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2022-12-13 18:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2022-12-13 18:42:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2022-12-13 18:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2022-12-13 18:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2022-12-13 18:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2022-12-13 18:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-12-13 18:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-12-13 18:42:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 18:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 18:42:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 18:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 18:42:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2022-12-13 18:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2022-12-13 18:42:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:42:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-13 18:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-13 18:42:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2022-12-13 18:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 18:42:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 18:42:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2022-12-13 18:42:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2022-12-13 18:42:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2022-12-13 18:42:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 18:42:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-12-13 18:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2022-12-13 18:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2022-12-13 18:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 18:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 18:42:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2022-12-13 18:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2022-12-13 18:42:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:42:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-12-13 18:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-12-13 18:42:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2022-12-13 18:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2022-12-13 18:42:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2022-12-13 18:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2022-12-13 18:42:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2022-12-13 18:42:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2022-12-13 18:42:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2022-12-13 18:42:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-12-13 18:42:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2022-12-13 18:42:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-12-13 18:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2022-12-13 18:42:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2022-12-13 18:42:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2022-12-13 18:42:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-12-13 18:42:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2022-12-13 18:42:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2022-12-13 18:42:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2022-12-13 18:42:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2022-12-13 18:42:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 18:42:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 18:42:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 18:42:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 18:42:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:42:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2022-12-13 18:42:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2022-12-13 18:42:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:42:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:42:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 18:42:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 18:42:19,432 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:42:19,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:42:20,316 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 18:42:22,876 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:42:22,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:42:22,893 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:42:22,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:42:22 BoogieIcfgContainer [2022-12-13 18:42:22,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:42:22,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:42:22,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:42:22,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:42:22,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:42:17" (1/3) ... [2022-12-13 18:42:22,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2c190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:42:22, skipping insertion in model container [2022-12-13 18:42:22,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:42:18" (2/3) ... [2022-12-13 18:42:22,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2c190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:42:22, skipping insertion in model container [2022-12-13 18:42:22,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:42:22" (3/3) ... [2022-12-13 18:42:22,903 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-12-13 18:42:22,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:42:22,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:42:22,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:42:22,989 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;@7ace3aa4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:42:22,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:42:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 1461 states, 1022 states have (on average 1.3688845401174168) internal successors, (1399), 1066 states have internal predecessors, (1399), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) [2022-12-13 18:42:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 18:42:23,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:23,017 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:23,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash 719610718, now seen corresponding path program 1 times [2022-12-13 18:42:23,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:23,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486001028] [2022-12-13 18:42:23,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:23,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:42:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:42:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:42:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 18:42:23,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:42:23,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486001028] [2022-12-13 18:42:23,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486001028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:42:23,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:42:23,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:42:23,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721955125] [2022-12-13 18:42:23,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:42:23,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:42:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:42:23,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:42:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:42:23,735 INFO L87 Difference]: Start difference. First operand has 1461 states, 1022 states have (on average 1.3688845401174168) internal successors, (1399), 1066 states have internal predecessors, (1399), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 18:42:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:42:27,064 INFO L93 Difference]: Finished difference Result 3179 states and 4707 transitions. [2022-12-13 18:42:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:42:27,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 164 [2022-12-13 18:42:27,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:42:27,083 INFO L225 Difference]: With dead ends: 3179 [2022-12-13 18:42:27,083 INFO L226 Difference]: Without dead ends: 1701 [2022-12-13 18:42:27,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:42:27,094 INFO L413 NwaCegarLoop]: 1651 mSDtfsCounter, 1362 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 3340 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:42:27,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 3340 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 18:42:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-12-13 18:42:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1439. [2022-12-13 18:42:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1012 states have (on average 1.3577075098814229) internal successors, (1374), 1044 states have internal predecessors, (1374), 342 states have call successors, (342), 85 states have call predecessors, (342), 84 states have return successors, (341), 329 states have call predecessors, (341), 341 states have call successors, (341) [2022-12-13 18:42:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2057 transitions. [2022-12-13 18:42:27,212 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2057 transitions. Word has length 164 [2022-12-13 18:42:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:42:27,212 INFO L495 AbstractCegarLoop]: Abstraction has 1439 states and 2057 transitions. [2022-12-13 18:42:27,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 18:42:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2057 transitions. [2022-12-13 18:42:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 18:42:27,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:27,215 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:27,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:42:27,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:27,216 INFO L85 PathProgramCache]: Analyzing trace with hash -9444506, now seen corresponding path program 1 times [2022-12-13 18:42:27,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:27,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091597598] [2022-12-13 18:42:27,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:42:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:42:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:42:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 18:42:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:42:27,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091597598] [2022-12-13 18:42:27,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091597598] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:42:27,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:42:27,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:42:27,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712703943] [2022-12-13 18:42:27,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:42:27,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:42:27,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:42:27,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:42:27,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:42:27,654 INFO L87 Difference]: Start difference. First operand 1439 states and 2057 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 18:42:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:42:32,979 INFO L93 Difference]: Finished difference Result 4644 states and 6733 transitions. [2022-12-13 18:42:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:42:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 164 [2022-12-13 18:42:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:42:32,994 INFO L225 Difference]: With dead ends: 4644 [2022-12-13 18:42:32,994 INFO L226 Difference]: Without dead ends: 3235 [2022-12-13 18:42:33,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:42:33,001 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 3927 mSDsluCounter, 3307 mSDsCounter, 0 mSdLazyCounter, 2747 mSolverCounterSat, 1953 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4118 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1953 IncrementalHoareTripleChecker+Valid, 2747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:42:33,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4118 Valid, 5148 Invalid, 4700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1953 Valid, 2747 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 18:42:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2022-12-13 18:42:33,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 2730. [2022-12-13 18:42:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 1925 states have (on average 1.3568831168831168) internal successors, (2612), 1988 states have internal predecessors, (2612), 641 states have call successors, (641), 164 states have call predecessors, (641), 163 states have return successors, (640), 616 states have call predecessors, (640), 640 states have call successors, (640) [2022-12-13 18:42:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3893 transitions. [2022-12-13 18:42:33,108 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3893 transitions. Word has length 164 [2022-12-13 18:42:33,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:42:33,109 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3893 transitions. [2022-12-13 18:42:33,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 18:42:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3893 transitions. [2022-12-13 18:42:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 18:42:33,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:33,113 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:33,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:42:33,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:33,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:33,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1361383123, now seen corresponding path program 1 times [2022-12-13 18:42:33,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:33,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499372943] [2022-12-13 18:42:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:33,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:42:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:42:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:42:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 18:42:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 18:42:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 18:42:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 18:42:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 18:42:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:42:33,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:42:33,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499372943] [2022-12-13 18:42:33,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499372943] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:42:33,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:42:33,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:42:33,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368118444] [2022-12-13 18:42:33,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:42:33,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:42:33,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:42:33,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:42:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:42:33,798 INFO L87 Difference]: Start difference. First operand 2730 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:42:41,773 INFO L93 Difference]: Finished difference Result 9507 states and 13869 transitions. [2022-12-13 18:42:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 18:42:41,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 231 [2022-12-13 18:42:41,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:42:41,798 INFO L225 Difference]: With dead ends: 9507 [2022-12-13 18:42:41,798 INFO L226 Difference]: Without dead ends: 6807 [2022-12-13 18:42:41,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:42:41,808 INFO L413 NwaCegarLoop]: 1543 mSDtfsCounter, 7257 mSDsluCounter, 5245 mSDsCounter, 0 mSdLazyCounter, 6736 mSolverCounterSat, 4342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7563 SdHoareTripleChecker+Valid, 6788 SdHoareTripleChecker+Invalid, 11078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4342 IncrementalHoareTripleChecker+Valid, 6736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:42:41,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7563 Valid, 6788 Invalid, 11078 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4342 Valid, 6736 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-13 18:42:41,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2022-12-13 18:42:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 5429. [2022-12-13 18:42:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5429 states, 3832 states have (on average 1.3585594989561587) internal successors, (5206), 3966 states have internal predecessors, (5206), 1269 states have call successors, (1269), 328 states have call predecessors, (1269), 327 states have return successors, (1268), 1212 states have call predecessors, (1268), 1268 states have call successors, (1268) [2022-12-13 18:42:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 7743 transitions. [2022-12-13 18:42:42,023 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 7743 transitions. Word has length 231 [2022-12-13 18:42:42,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:42:42,023 INFO L495 AbstractCegarLoop]: Abstraction has 5429 states and 7743 transitions. [2022-12-13 18:42:42,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 7743 transitions. [2022-12-13 18:42:42,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-12-13 18:42:42,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:42,029 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:42,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:42:42,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:42,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:42,029 INFO L85 PathProgramCache]: Analyzing trace with hash 112633290, now seen corresponding path program 1 times [2022-12-13 18:42:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:42,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592869096] [2022-12-13 18:42:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:42,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:42:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:42:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:42:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 18:42:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 18:42:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 18:42:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 18:42:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 18:42:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:42:42,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:42:42,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592869096] [2022-12-13 18:42:42,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592869096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:42:42,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:42:42,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:42:42,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371788682] [2022-12-13 18:42:42,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:42:42,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:42:42,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:42:42,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:42:42,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:42:42,693 INFO L87 Difference]: Start difference. First operand 5429 states and 7743 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:51,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:42:51,531 INFO L93 Difference]: Finished difference Result 18958 states and 27677 transitions. [2022-12-13 18:42:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 18:42:51,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 228 [2022-12-13 18:42:51,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:42:51,580 INFO L225 Difference]: With dead ends: 18958 [2022-12-13 18:42:51,580 INFO L226 Difference]: Without dead ends: 13559 [2022-12-13 18:42:51,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:42:51,595 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 5949 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 7717 mSolverCounterSat, 3409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6250 SdHoareTripleChecker+Valid, 7438 SdHoareTripleChecker+Invalid, 11126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3409 IncrementalHoareTripleChecker+Valid, 7717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:42:51,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6250 Valid, 7438 Invalid, 11126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3409 Valid, 7717 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-12-13 18:42:51,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13559 states. [2022-12-13 18:42:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13559 to 10817. [2022-12-13 18:42:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10817 states, 7634 states have (on average 1.3578726748755567) internal successors, (10366), 7918 states have internal predecessors, (10366), 2525 states have call successors, (2525), 658 states have call predecessors, (2525), 657 states have return successors, (2544), 2392 states have call predecessors, (2544), 2524 states have call successors, (2544) [2022-12-13 18:42:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10817 states to 10817 states and 15435 transitions. [2022-12-13 18:42:52,037 INFO L78 Accepts]: Start accepts. Automaton has 10817 states and 15435 transitions. Word has length 228 [2022-12-13 18:42:52,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:42:52,038 INFO L495 AbstractCegarLoop]: Abstraction has 10817 states and 15435 transitions. [2022-12-13 18:42:52,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 10817 states and 15435 transitions. [2022-12-13 18:42:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 18:42:52,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:52,047 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:52,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:42:52,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:52,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:52,048 INFO L85 PathProgramCache]: Analyzing trace with hash -381339355, now seen corresponding path program 1 times [2022-12-13 18:42:52,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:52,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613244595] [2022-12-13 18:42:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:42:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:42:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:42:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 18:42:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 18:42:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 18:42:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 18:42:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 18:42:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:42:52,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:42:52,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613244595] [2022-12-13 18:42:52,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613244595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:42:52,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:42:52,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:42:52,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961499784] [2022-12-13 18:42:52,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:42:52,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:42:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:42:52,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:42:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:42:52,698 INFO L87 Difference]: Start difference. First operand 10817 states and 15435 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:58,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:42:58,913 INFO L93 Difference]: Finished difference Result 22409 states and 32527 transitions. [2022-12-13 18:42:58,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:42:58,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 232 [2022-12-13 18:42:58,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:42:58,953 INFO L225 Difference]: With dead ends: 22409 [2022-12-13 18:42:58,953 INFO L226 Difference]: Without dead ends: 13580 [2022-12-13 18:42:58,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:42:58,972 INFO L413 NwaCegarLoop]: 1256 mSDtfsCounter, 3944 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 2135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 7426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2135 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:42:58,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4119 Valid, 5954 Invalid, 7426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2135 Valid, 5291 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-13 18:42:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2022-12-13 18:42:59,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 10833. [2022-12-13 18:42:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10833 states, 7650 states have (on average 1.357124183006536) internal successors, (10382), 7930 states have internal predecessors, (10382), 2521 states have call successors, (2521), 662 states have call predecessors, (2521), 661 states have return successors, (2540), 2392 states have call predecessors, (2540), 2520 states have call successors, (2540) [2022-12-13 18:42:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10833 states to 10833 states and 15443 transitions. [2022-12-13 18:42:59,463 INFO L78 Accepts]: Start accepts. Automaton has 10833 states and 15443 transitions. Word has length 232 [2022-12-13 18:42:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:42:59,464 INFO L495 AbstractCegarLoop]: Abstraction has 10833 states and 15443 transitions. [2022-12-13 18:42:59,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:42:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 10833 states and 15443 transitions. [2022-12-13 18:42:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-13 18:42:59,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:42:59,473 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:42:59,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:42:59,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:42:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:42:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1426495594, now seen corresponding path program 1 times [2022-12-13 18:42:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:42:59,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372818627] [2022-12-13 18:42:59,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:42:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:42:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:42:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:42:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:42:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:42:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:42:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:42:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:42:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:42:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:42:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:42:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:42:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 18:43:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 18:43:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:43:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 18:43:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 18:43:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:00,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:00,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372818627] [2022-12-13 18:43:00,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372818627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:00,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:00,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:43:00,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420423719] [2022-12-13 18:43:00,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:00,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:43:00,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:00,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:43:00,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:43:00,129 INFO L87 Difference]: Start difference. First operand 10833 states and 15443 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:05,347 INFO L93 Difference]: Finished difference Result 22445 states and 32519 transitions. [2022-12-13 18:43:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:43:05,347 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 233 [2022-12-13 18:43:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:05,394 INFO L225 Difference]: With dead ends: 22445 [2022-12-13 18:43:05,394 INFO L226 Difference]: Without dead ends: 13596 [2022-12-13 18:43:05,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:43:05,418 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 4641 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 4039 mSolverCounterSat, 2612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4813 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 6651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 4039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:05,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4813 Valid, 4847 Invalid, 6651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2612 Valid, 4039 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 18:43:05,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13596 states. [2022-12-13 18:43:05,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13596 to 10849. [2022-12-13 18:43:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10849 states, 7666 states have (on average 1.3563788155491783) internal successors, (10398), 7942 states have internal predecessors, (10398), 2517 states have call successors, (2517), 666 states have call predecessors, (2517), 665 states have return successors, (2536), 2392 states have call predecessors, (2536), 2516 states have call successors, (2536) [2022-12-13 18:43:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 15451 transitions. [2022-12-13 18:43:05,913 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 15451 transitions. Word has length 233 [2022-12-13 18:43:05,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:05,914 INFO L495 AbstractCegarLoop]: Abstraction has 10849 states and 15451 transitions. [2022-12-13 18:43:05,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 15451 transitions. [2022-12-13 18:43:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 18:43:05,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:05,933 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:43:05,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:43:05,933 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:05,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:05,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1973032392, now seen corresponding path program 1 times [2022-12-13 18:43:05,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:05,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76752420] [2022-12-13 18:43:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:05,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 18:43:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 18:43:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 18:43:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 18:43:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 18:43:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:06,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:06,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76752420] [2022-12-13 18:43:06,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76752420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:06,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:06,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:43:06,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011560186] [2022-12-13 18:43:06,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:06,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:43:06,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:06,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:43:06,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:43:06,533 INFO L87 Difference]: Start difference. First operand 10849 states and 15451 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:13,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:13,585 INFO L93 Difference]: Finished difference Result 22365 states and 32371 transitions. [2022-12-13 18:43:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:43:13,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 234 [2022-12-13 18:43:13,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:13,618 INFO L225 Difference]: With dead ends: 22365 [2022-12-13 18:43:13,618 INFO L226 Difference]: Without dead ends: 13496 [2022-12-13 18:43:13,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:43:13,632 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 3965 mSDsluCounter, 4654 mSDsCounter, 0 mSdLazyCounter, 5289 mSolverCounterSat, 2146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4134 SdHoareTripleChecker+Valid, 5892 SdHoareTripleChecker+Invalid, 7435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 5289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:13,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4134 Valid, 5892 Invalid, 7435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2146 Valid, 5289 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 18:43:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2022-12-13 18:43:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 10793. [2022-12-13 18:43:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10793 states, 7622 states have (on average 1.3547625295198111) internal successors, (10326), 7894 states have internal predecessors, (10326), 2505 states have call successors, (2505), 666 states have call predecessors, (2505), 665 states have return successors, (2524), 2384 states have call predecessors, (2524), 2504 states have call successors, (2524) [2022-12-13 18:43:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10793 states to 10793 states and 15355 transitions. [2022-12-13 18:43:14,139 INFO L78 Accepts]: Start accepts. Automaton has 10793 states and 15355 transitions. Word has length 234 [2022-12-13 18:43:14,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:14,140 INFO L495 AbstractCegarLoop]: Abstraction has 10793 states and 15355 transitions. [2022-12-13 18:43:14,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 10793 states and 15355 transitions. [2022-12-13 18:43:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 18:43:14,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:14,154 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:43:14,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:43:14,154 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:14,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:14,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1045400538, now seen corresponding path program 1 times [2022-12-13 18:43:14,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:14,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972302962] [2022-12-13 18:43:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 18:43:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 18:43:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 18:43:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 18:43:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:43:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:14,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:14,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972302962] [2022-12-13 18:43:14,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972302962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:14,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:14,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:43:14,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561392232] [2022-12-13 18:43:14,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:14,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:43:14,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:14,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:43:14,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:43:14,774 INFO L87 Difference]: Start difference. First operand 10793 states and 15355 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:25,041 INFO L93 Difference]: Finished difference Result 29082 states and 42215 transitions. [2022-12-13 18:43:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 18:43:25,042 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 229 [2022-12-13 18:43:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:25,090 INFO L225 Difference]: With dead ends: 29082 [2022-12-13 18:43:25,091 INFO L226 Difference]: Without dead ends: 20251 [2022-12-13 18:43:25,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:43:25,108 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 6068 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 8402 mSolverCounterSat, 3526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6362 SdHoareTripleChecker+Valid, 7349 SdHoareTripleChecker+Invalid, 11928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3526 IncrementalHoareTripleChecker+Valid, 8402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:25,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6362 Valid, 7349 Invalid, 11928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3526 Valid, 8402 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-12-13 18:43:25,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20251 states. [2022-12-13 18:43:25,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20251 to 16193. [2022-12-13 18:43:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16193 states, 11442 states have (on average 1.3541338926761055) internal successors, (15494), 11842 states have internal predecessors, (15494), 3747 states have call successors, (3747), 1000 states have call predecessors, (3747), 1003 states have return successors, (3794), 3580 states have call predecessors, (3794), 3746 states have call successors, (3794) [2022-12-13 18:43:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16193 states to 16193 states and 23035 transitions. [2022-12-13 18:43:25,849 INFO L78 Accepts]: Start accepts. Automaton has 16193 states and 23035 transitions. Word has length 229 [2022-12-13 18:43:25,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:25,850 INFO L495 AbstractCegarLoop]: Abstraction has 16193 states and 23035 transitions. [2022-12-13 18:43:25,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16193 states and 23035 transitions. [2022-12-13 18:43:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-13 18:43:25,856 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:25,856 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:43:25,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:43:25,857 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:25,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1336047181, now seen corresponding path program 1 times [2022-12-13 18:43:25,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:25,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012922932] [2022-12-13 18:43:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 18:43:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 18:43:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 18:43:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 18:43:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 18:43:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:26,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:26,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012922932] [2022-12-13 18:43:26,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012922932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:26,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:26,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:43:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815522458] [2022-12-13 18:43:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:26,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:43:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:26,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:43:26,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:43:26,407 INFO L87 Difference]: Start difference. First operand 16193 states and 23035 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:35,100 INFO L93 Difference]: Finished difference Result 41250 states and 59765 transitions. [2022-12-13 18:43:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 18:43:35,101 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 230 [2022-12-13 18:43:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:35,170 INFO L225 Difference]: With dead ends: 41250 [2022-12-13 18:43:35,170 INFO L226 Difference]: Without dead ends: 27015 [2022-12-13 18:43:35,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:43:35,198 INFO L413 NwaCegarLoop]: 1417 mSDtfsCounter, 7458 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 6565 mSolverCounterSat, 4510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7752 SdHoareTripleChecker+Valid, 6207 SdHoareTripleChecker+Invalid, 11075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4510 IncrementalHoareTripleChecker+Valid, 6565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:35,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7752 Valid, 6207 Invalid, 11075 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4510 Valid, 6565 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 18:43:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27015 states. [2022-12-13 18:43:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27015 to 21617. [2022-12-13 18:43:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21617 states, 15282 states have (on average 1.3536186363041487) internal successors, (20686), 15810 states have internal predecessors, (20686), 4989 states have call successors, (4989), 1338 states have call predecessors, (4989), 1345 states have return successors, (5068), 4776 states have call predecessors, (5068), 4988 states have call successors, (5068) [2022-12-13 18:43:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21617 states to 21617 states and 30743 transitions. [2022-12-13 18:43:36,179 INFO L78 Accepts]: Start accepts. Automaton has 21617 states and 30743 transitions. Word has length 230 [2022-12-13 18:43:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:36,179 INFO L495 AbstractCegarLoop]: Abstraction has 21617 states and 30743 transitions. [2022-12-13 18:43:36,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 21617 states and 30743 transitions. [2022-12-13 18:43:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 18:43:36,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:36,185 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:43:36,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:43:36,185 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:36,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:36,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1099175747, now seen corresponding path program 1 times [2022-12-13 18:43:36,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:36,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135060766] [2022-12-13 18:43:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 18:43:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 18:43:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 18:43:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 18:43:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 18:43:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:36,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:36,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135060766] [2022-12-13 18:43:36,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135060766] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:36,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:36,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:43:36,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782097785] [2022-12-13 18:43:36,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:36,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:43:36,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:36,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:43:36,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:43:36,713 INFO L87 Difference]: Start difference. First operand 21617 states and 30743 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:46,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:46,381 INFO L93 Difference]: Finished difference Result 52892 states and 76488 transitions. [2022-12-13 18:43:46,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 18:43:46,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 231 [2022-12-13 18:43:46,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:46,462 INFO L225 Difference]: With dead ends: 52892 [2022-12-13 18:43:46,462 INFO L226 Difference]: Without dead ends: 33229 [2022-12-13 18:43:46,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:43:46,506 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 7459 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 6548 mSolverCounterSat, 4486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7752 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 11034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4486 IncrementalHoareTripleChecker+Valid, 6548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:46,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7752 Valid, 6196 Invalid, 11034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4486 Valid, 6548 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 18:43:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33229 states. [2022-12-13 18:43:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33229 to 26657. [2022-12-13 18:43:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26657 states, 18849 states have (on average 1.3523263833625125) internal successors, (25490), 19493 states have internal predecessors, (25490), 6127 states have call successors, (6127), 1669 states have call predecessors, (6127), 1680 states have return successors, (6238), 5870 states have call predecessors, (6238), 6126 states have call successors, (6238) [2022-12-13 18:43:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26657 states to 26657 states and 37855 transitions. [2022-12-13 18:43:47,811 INFO L78 Accepts]: Start accepts. Automaton has 26657 states and 37855 transitions. Word has length 231 [2022-12-13 18:43:47,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:47,811 INFO L495 AbstractCegarLoop]: Abstraction has 26657 states and 37855 transitions. [2022-12-13 18:43:47,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 18:43:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 26657 states and 37855 transitions. [2022-12-13 18:43:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 18:43:47,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:47,818 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:43:47,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:43:47,818 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:47,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:47,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2103832815, now seen corresponding path program 1 times [2022-12-13 18:43:47,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:47,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894556656] [2022-12-13 18:43:47,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:47,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 18:43:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 18:43:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 18:43:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 18:43:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 18:43:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 18:43:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-12-13 18:43:48,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:48,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894556656] [2022-12-13 18:43:48,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894556656] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:43:48,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391363517] [2022-12-13 18:43:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:48,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:43:48,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:43:48,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:43:48,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:43:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:49,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:43:49,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:43:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:49,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:43:49,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391363517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:49,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:43:49,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 18:43:49,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907586681] [2022-12-13 18:43:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:49,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:43:49,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:43:49,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:43:49,257 INFO L87 Difference]: Start difference. First operand 26657 states and 37855 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:43:51,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:51,428 INFO L93 Difference]: Finished difference Result 69875 states and 99331 transitions. [2022-12-13 18:43:51,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:43:51,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 242 [2022-12-13 18:43:51,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:51,561 INFO L225 Difference]: With dead ends: 69875 [2022-12-13 18:43:51,561 INFO L226 Difference]: Without dead ends: 48196 [2022-12-13 18:43:51,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 18:43:51,614 INFO L413 NwaCegarLoop]: 3303 mSDtfsCounter, 2083 mSDsluCounter, 15219 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 18522 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:51,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 18522 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:43:51,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48196 states. [2022-12-13 18:43:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48196 to 47941. [2022-12-13 18:43:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47941 states, 33928 states have (on average 1.353277528884697) internal successors, (45914), 35120 states have internal predecessors, (45914), 10983 states have call successors, (10983), 2994 states have call predecessors, (10983), 3029 states have return successors, (11314), 10500 states have call predecessors, (11314), 10982 states have call successors, (11314) [2022-12-13 18:43:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47941 states to 47941 states and 68211 transitions. [2022-12-13 18:43:53,822 INFO L78 Accepts]: Start accepts. Automaton has 47941 states and 68211 transitions. Word has length 242 [2022-12-13 18:43:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:43:53,823 INFO L495 AbstractCegarLoop]: Abstraction has 47941 states and 68211 transitions. [2022-12-13 18:43:53,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:43:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 47941 states and 68211 transitions. [2022-12-13 18:43:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 18:43:53,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:53,832 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:43:53,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:43:54,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 18:43:54,034 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:43:54,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:54,035 INFO L85 PathProgramCache]: Analyzing trace with hash 245493722, now seen corresponding path program 1 times [2022-12-13 18:43:54,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:54,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378917242] [2022-12-13 18:43:54,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:43:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:43:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:43:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:43:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:43:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:43:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:43:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:43:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:43:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:43:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:43:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:43:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 18:43:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 18:43:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:43:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 18:43:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 18:43:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:54,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378917242] [2022-12-13 18:43:54,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378917242] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:43:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153824075] [2022-12-13 18:43:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:54,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:43:54,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:43:54,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:43:54,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:43:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:43:55,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:43:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:43:55,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:43:55,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153824075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:55,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:43:55,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:43:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866489960] [2022-12-13 18:43:55,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:55,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:43:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:55,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:43:55,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:43:55,626 INFO L87 Difference]: Start difference. First operand 47941 states and 68211 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:43:58,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:43:58,718 INFO L93 Difference]: Finished difference Result 112551 states and 160139 transitions. [2022-12-13 18:43:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:43:58,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 243 [2022-12-13 18:43:58,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:43:58,912 INFO L225 Difference]: With dead ends: 112551 [2022-12-13 18:43:58,913 INFO L226 Difference]: Without dead ends: 69588 [2022-12-13 18:43:58,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:43:58,999 INFO L413 NwaCegarLoop]: 3500 mSDtfsCounter, 2083 mSDsluCounter, 15989 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 19489 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:43:58,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 19489 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:43:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69588 states. [2022-12-13 18:44:02,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69588 to 69293. [2022-12-13 18:44:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69293 states, 49051 states have (on average 1.3533261299463824) internal successors, (66382), 50819 states have internal predecessors, (66382), 15839 states have call successors, (15839), 4319 states have call predecessors, (15839), 4402 states have return successors, (16414), 15126 states have call predecessors, (16414), 15838 states have call successors, (16414) [2022-12-13 18:44:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69293 states to 69293 states and 98635 transitions. [2022-12-13 18:44:02,801 INFO L78 Accepts]: Start accepts. Automaton has 69293 states and 98635 transitions. Word has length 243 [2022-12-13 18:44:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 69293 states and 98635 transitions. [2022-12-13 18:44:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 69293 states and 98635 transitions. [2022-12-13 18:44:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 18:44:02,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:02,813 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:44:02,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:44:03,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 18:44:03,016 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:03,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash 429591016, now seen corresponding path program 1 times [2022-12-13 18:44:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:03,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306826982] [2022-12-13 18:44:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:44:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:44:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:44:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:44:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:44:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:44:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:44:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:44:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:44:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:44:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 18:44:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 18:44:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 18:44:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 18:44:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 18:44:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:03,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306826982] [2022-12-13 18:44:03,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306826982] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:44:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893313665] [2022-12-13 18:44:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:44:03,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:03,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:44:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:44:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:04,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 5302 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:44:04,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:04,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:44:04,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893313665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:04,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:44:04,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:44:04,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984797978] [2022-12-13 18:44:04,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:04,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:04,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:04,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:04,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:44:04,695 INFO L87 Difference]: Start difference. First operand 69293 states and 98635 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:09,021 INFO L93 Difference]: Finished difference Result 155223 states and 220943 transitions. [2022-12-13 18:44:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:44:09,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 244 [2022-12-13 18:44:09,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:09,281 INFO L225 Difference]: With dead ends: 155223 [2022-12-13 18:44:09,281 INFO L226 Difference]: Without dead ends: 90908 [2022-12-13 18:44:09,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:44:09,417 INFO L413 NwaCegarLoop]: 2606 mSDtfsCounter, 2083 mSDsluCounter, 12413 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 15019 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:09,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 15019 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:44:09,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90908 states. [2022-12-13 18:44:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90908 to 69301. [2022-12-13 18:44:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69301 states, 49059 states have (on average 1.3532685134226137) internal successors, (66390), 50819 states have internal predecessors, (66390), 15839 states have call successors, (15839), 4319 states have call predecessors, (15839), 4402 states have return successors, (16414), 15134 states have call predecessors, (16414), 15838 states have call successors, (16414) [2022-12-13 18:44:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69301 states to 69301 states and 98643 transitions. [2022-12-13 18:44:12,842 INFO L78 Accepts]: Start accepts. Automaton has 69301 states and 98643 transitions. Word has length 244 [2022-12-13 18:44:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:12,843 INFO L495 AbstractCegarLoop]: Abstraction has 69301 states and 98643 transitions. [2022-12-13 18:44:12,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 69301 states and 98643 transitions. [2022-12-13 18:44:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 18:44:12,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:12,855 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:44:12,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 18:44:13,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 18:44:13,057 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:13,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash -495293133, now seen corresponding path program 1 times [2022-12-13 18:44:13,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:13,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425365253] [2022-12-13 18:44:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:13,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:44:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:44:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:44:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:44:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:44:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:44:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:44:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:44:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:44:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 18:44:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 18:44:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 18:44:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 18:44:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 18:44:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 18:44:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:13,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:13,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425365253] [2022-12-13 18:44:13,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425365253] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:44:13,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763496912] [2022-12-13 18:44:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:13,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:44:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:13,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:44:13,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:44:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:14,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:44:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:14,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:44:14,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763496912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:14,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:44:14,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:44:14,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584025340] [2022-12-13 18:44:14,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:14,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:14,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:14,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:44:14,428 INFO L87 Difference]: Start difference. First operand 69301 states and 98643 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:18,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:18,485 INFO L93 Difference]: Finished difference Result 155239 states and 220959 transitions. [2022-12-13 18:44:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:44:18,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 245 [2022-12-13 18:44:18,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:18,765 INFO L225 Difference]: With dead ends: 155239 [2022-12-13 18:44:18,765 INFO L226 Difference]: Without dead ends: 90916 [2022-12-13 18:44:18,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:44:18,904 INFO L413 NwaCegarLoop]: 2600 mSDtfsCounter, 2083 mSDsluCounter, 12389 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 14989 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:18,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 14989 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:44:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90916 states. [2022-12-13 18:44:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90916 to 69305. [2022-12-13 18:44:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69305 states, 49063 states have (on average 1.3532397122067545) internal successors, (66394), 50819 states have internal predecessors, (66394), 15839 states have call successors, (15839), 4319 states have call predecessors, (15839), 4402 states have return successors, (16414), 15138 states have call predecessors, (16414), 15838 states have call successors, (16414) [2022-12-13 18:44:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69305 states to 69305 states and 98647 transitions. [2022-12-13 18:44:22,422 INFO L78 Accepts]: Start accepts. Automaton has 69305 states and 98647 transitions. Word has length 245 [2022-12-13 18:44:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:22,423 INFO L495 AbstractCegarLoop]: Abstraction has 69305 states and 98647 transitions. [2022-12-13 18:44:22,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 69305 states and 98647 transitions. [2022-12-13 18:44:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 18:44:22,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:22,433 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-12-13 18:44:22,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 18:44:22,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 18:44:22,635 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2014364590, now seen corresponding path program 1 times [2022-12-13 18:44:22,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:22,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10524148] [2022-12-13 18:44:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:44:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:44:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:44:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:44:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:44:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:44:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:44:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:44:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:44:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 18:44:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 18:44:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 18:44:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 18:44:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 18:44:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 18:44:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-12-13 18:44:23,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:23,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10524148] [2022-12-13 18:44:23,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10524148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:23,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:23,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:44:23,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478996198] [2022-12-13 18:44:23,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:23,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:44:23,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:44:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:44:23,044 INFO L87 Difference]: Start difference. First operand 69305 states and 98647 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:30,092 INFO L93 Difference]: Finished difference Result 85360 states and 121998 transitions. [2022-12-13 18:44:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:44:30,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 278 [2022-12-13 18:44:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:30,333 INFO L225 Difference]: With dead ends: 85360 [2022-12-13 18:44:30,333 INFO L226 Difference]: Without dead ends: 85357 [2022-12-13 18:44:30,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:44:30,363 INFO L413 NwaCegarLoop]: 1634 mSDtfsCounter, 2192 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 1125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 4187 SdHoareTripleChecker+Invalid, 3068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1125 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:30,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 4187 Invalid, 3068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1125 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 18:44:30,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85357 states. [2022-12-13 18:44:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85357 to 72347. [2022-12-13 18:44:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72347 states, 50998 states have (on average 1.34291540844739) internal successors, (68486), 52754 states have internal predecessors, (68486), 16301 states have call successors, (16301), 4964 states have call predecessors, (16301), 5047 states have return successors, (16876), 15600 states have call predecessors, (16876), 16300 states have call successors, (16876) [2022-12-13 18:44:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72347 states to 72347 states and 101663 transitions. [2022-12-13 18:44:33,955 INFO L78 Accepts]: Start accepts. Automaton has 72347 states and 101663 transitions. Word has length 278 [2022-12-13 18:44:33,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:33,955 INFO L495 AbstractCegarLoop]: Abstraction has 72347 states and 101663 transitions. [2022-12-13 18:44:33,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 72347 states and 101663 transitions. [2022-12-13 18:44:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-12-13 18:44:33,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:33,966 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:44:33,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 18:44:33,966 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:33,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:33,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1650005864, now seen corresponding path program 1 times [2022-12-13 18:44:33,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:33,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212891756] [2022-12-13 18:44:33,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:33,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:44:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:44:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:44:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:44:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:44:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:44:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:44:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:44:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:44:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 18:44:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 18:44:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 18:44:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 18:44:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 18:44:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 18:44:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-12-13 18:44:34,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:34,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212891756] [2022-12-13 18:44:34,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212891756] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:44:34,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504551713] [2022-12-13 18:44:34,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:34,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:44:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:34,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:44:34,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 18:44:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 5310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:44:35,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:35,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:44:35,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504551713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:35,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:44:35,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 18:44:35,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010547763] [2022-12-13 18:44:35,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:35,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:35,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:35,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:35,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:44:35,425 INFO L87 Difference]: Start difference. First operand 72347 states and 101663 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:39,920 INFO L93 Difference]: Finished difference Result 145495 states and 204271 transitions. [2022-12-13 18:44:39,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:44:39,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 248 [2022-12-13 18:44:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:40,255 INFO L225 Difference]: With dead ends: 145495 [2022-12-13 18:44:40,255 INFO L226 Difference]: Without dead ends: 108363 [2022-12-13 18:44:40,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 18:44:40,353 INFO L413 NwaCegarLoop]: 2738 mSDtfsCounter, 2054 mSDsluCounter, 12947 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 15685 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:40,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 15685 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:44:40,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108363 states. [2022-12-13 18:44:45,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108363 to 107788. [2022-12-13 18:44:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107788 states, 76011 states have (on average 1.3431345463156648) internal successors, (102093), 78640 states have internal predecessors, (102093), 24233 states have call successors, (24233), 7392 states have call predecessors, (24233), 7543 states have return successors, (25122), 23198 states have call predecessors, (25122), 24232 states have call successors, (25122) [2022-12-13 18:44:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107788 states to 107788 states and 151448 transitions. [2022-12-13 18:44:45,560 INFO L78 Accepts]: Start accepts. Automaton has 107788 states and 151448 transitions. Word has length 248 [2022-12-13 18:44:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:45,561 INFO L495 AbstractCegarLoop]: Abstraction has 107788 states and 151448 transitions. [2022-12-13 18:44:45,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 107788 states and 151448 transitions. [2022-12-13 18:44:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 18:44:45,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:45,576 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:44:45,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 18:44:45,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:44:45,778 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:45,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1021004645, now seen corresponding path program 1 times [2022-12-13 18:44:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:45,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077121941] [2022-12-13 18:44:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:44:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:44:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:44:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:44:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:44:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:44:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:44:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:44:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:44:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 18:44:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 18:44:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 18:44:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 18:44:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 18:44:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 18:44:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:46,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:46,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077121941] [2022-12-13 18:44:46,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077121941] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:44:46,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979569581] [2022-12-13 18:44:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:46,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:44:46,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:46,412 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:44:46,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 18:44:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:47,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 5312 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:44:47,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:44:47,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:44:47,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979569581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:47,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:44:47,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:44:47,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822013445] [2022-12-13 18:44:47,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:47,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:47,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:44:47,410 INFO L87 Difference]: Start difference. First operand 107788 states and 151448 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:44:53,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:53,336 INFO L93 Difference]: Finished difference Result 216455 states and 303919 transitions. [2022-12-13 18:44:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:44:53,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 249 [2022-12-13 18:44:53,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:53,783 INFO L225 Difference]: With dead ends: 216455 [2022-12-13 18:44:53,783 INFO L226 Difference]: Without dead ends: 143882 [2022-12-13 18:44:54,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:44:54,047 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2054 mSDsluCounter, 12963 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 15710 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:54,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 15710 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:44:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143882 states. [2022-12-13 18:45:00,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143882 to 143203. [2022-12-13 18:45:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143203 states, 100998 states have (on average 1.3433335313570565) internal successors, (135674), 104526 states have internal predecessors, (135674), 32165 states have call successors, (32165), 9820 states have call predecessors, (32165), 10039 states have return successors, (33368), 30770 states have call predecessors, (33368), 32164 states have call successors, (33368) [2022-12-13 18:45:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143203 states to 143203 states and 201207 transitions. [2022-12-13 18:45:01,217 INFO L78 Accepts]: Start accepts. Automaton has 143203 states and 201207 transitions. Word has length 249 [2022-12-13 18:45:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:01,217 INFO L495 AbstractCegarLoop]: Abstraction has 143203 states and 201207 transitions. [2022-12-13 18:45:01,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:45:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 143203 states and 201207 transitions. [2022-12-13 18:45:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-12-13 18:45:01,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:01,237 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:45:01,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 18:45:01,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 18:45:01,439 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:45:01,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash -368103537, now seen corresponding path program 1 times [2022-12-13 18:45:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:01,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482885702] [2022-12-13 18:45:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:45:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:45:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:45:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:45:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:45:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:45:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:45:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:45:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:45:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 18:45:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 18:45:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 18:45:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 18:45:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 18:45:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 18:45:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:45:02,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:02,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482885702] [2022-12-13 18:45:02,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482885702] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:45:02,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764307355] [2022-12-13 18:45:02,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:02,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:45:02,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:45:02,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:45:02,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 18:45:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:03,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:45:03,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:45:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:45:03,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:45:03,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764307355] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:03,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:45:03,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:45:03,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855751564] [2022-12-13 18:45:03,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:03,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:03,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:03,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:45:03,089 INFO L87 Difference]: Start difference. First operand 143203 states and 201207 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:45:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:11,233 INFO L93 Difference]: Finished difference Result 287285 states and 403437 transitions. [2022-12-13 18:45:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:45:11,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-12-13 18:45:11,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:11,858 INFO L225 Difference]: With dead ends: 287285 [2022-12-13 18:45:11,858 INFO L226 Difference]: Without dead ends: 179297 [2022-12-13 18:45:12,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:45:12,078 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2054 mSDsluCounter, 12963 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 15710 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:12,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 15710 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:45:12,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179297 states. [2022-12-13 18:45:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179297 to 143203. [2022-12-13 18:45:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143203 states, 100998 states have (on average 1.3433335313570565) internal successors, (135674), 104526 states have internal predecessors, (135674), 32165 states have call successors, (32165), 9820 states have call predecessors, (32165), 10039 states have return successors, (33368), 30770 states have call predecessors, (33368), 32164 states have call successors, (33368) [2022-12-13 18:45:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143203 states to 143203 states and 201207 transitions. [2022-12-13 18:45:19,793 INFO L78 Accepts]: Start accepts. Automaton has 143203 states and 201207 transitions. Word has length 250 [2022-12-13 18:45:19,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:19,793 INFO L495 AbstractCegarLoop]: Abstraction has 143203 states and 201207 transitions. [2022-12-13 18:45:19,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:45:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 143203 states and 201207 transitions. [2022-12-13 18:45:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-12-13 18:45:19,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:19,813 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 18:45:19,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 18:45:20,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 18:45:20,013 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:45:20,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash 246842594, now seen corresponding path program 1 times [2022-12-13 18:45:20,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:20,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898389113] [2022-12-13 18:45:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:20,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:45:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:45:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:45:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:45:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:45:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:45:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:45:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:45:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:45:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 18:45:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 18:45:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 18:45:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 18:45:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 18:45:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 18:45:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:45:20,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:20,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898389113] [2022-12-13 18:45:20,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898389113] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:45:20,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697803032] [2022-12-13 18:45:20,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:20,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:45:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:45:20,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:45:20,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 18:45:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 5316 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 18:45:21,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:45:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 18:45:21,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:45:21,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697803032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:21,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:45:21,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 18:45:21,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997354798] [2022-12-13 18:45:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:21,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:21,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 18:45:21,351 INFO L87 Difference]: Start difference. First operand 143203 states and 201207 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:45:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:29,463 INFO L93 Difference]: Finished difference Result 287285 states and 403437 transitions. [2022-12-13 18:45:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 18:45:29,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 251 [2022-12-13 18:45:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:30,023 INFO L225 Difference]: With dead ends: 287285 [2022-12-13 18:45:30,024 INFO L226 Difference]: Without dead ends: 179297 [2022-12-13 18:45:30,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:45:30,253 INFO L413 NwaCegarLoop]: 2385 mSDtfsCounter, 2054 mSDsluCounter, 11515 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 13900 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:30,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 13900 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:45:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179297 states. [2022-12-13 18:45:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179297 to 143203. [2022-12-13 18:45:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143203 states, 100998 states have (on average 1.3433335313570565) internal successors, (135674), 104526 states have internal predecessors, (135674), 32165 states have call successors, (32165), 9820 states have call predecessors, (32165), 10039 states have return successors, (33368), 30770 states have call predecessors, (33368), 32164 states have call successors, (33368) [2022-12-13 18:45:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143203 states to 143203 states and 201207 transitions. [2022-12-13 18:45:37,720 INFO L78 Accepts]: Start accepts. Automaton has 143203 states and 201207 transitions. Word has length 251 [2022-12-13 18:45:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:37,720 INFO L495 AbstractCegarLoop]: Abstraction has 143203 states and 201207 transitions. [2022-12-13 18:45:37,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:45:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 143203 states and 201207 transitions. [2022-12-13 18:45:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-12-13 18:45:37,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:37,739 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:45:37,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 18:45:37,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:45:37,942 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:45:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 828078142, now seen corresponding path program 1 times [2022-12-13 18:45:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:37,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959007065] [2022-12-13 18:45:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:45:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:45:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:45:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:45:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:45:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:45:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:45:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:45:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:45:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 18:45:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 18:45:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 18:45:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 18:45:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 18:45:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 18:45:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 18:45:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 18:45:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 18:45:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 18:45:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-13 18:45:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:38,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959007065] [2022-12-13 18:45:38,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959007065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:38,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:38,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:45:38,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591577831] [2022-12-13 18:45:38,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:38,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:38,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:38,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:38,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:38,292 INFO L87 Difference]: Start difference. First operand 143203 states and 201207 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 18:46:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:02,802 INFO L93 Difference]: Finished difference Result 483771 states and 691515 transitions. [2022-12-13 18:46:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 18:46:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2022-12-13 18:46:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:03,969 INFO L225 Difference]: With dead ends: 483771 [2022-12-13 18:46:03,970 INFO L226 Difference]: Without dead ends: 340602 [2022-12-13 18:46:04,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:46:04,436 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 7252 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 3738 mSolverCounterSat, 4345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7555 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 8083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4345 IncrementalHoareTripleChecker+Valid, 3738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:04,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7555 Valid, 4017 Invalid, 8083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4345 Valid, 3738 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 18:46:04,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340602 states. [2022-12-13 18:46:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340602 to 274286. [2022-12-13 18:46:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274286 states, 193653 states have (on average 1.3419053668159027) internal successors, (259864), 200554 states have internal predecessors, (259864), 61183 states have call successors, (61183), 19010 states have call predecessors, (61183), 19449 states have return successors, (63590), 58441 states have call predecessors, (63590), 61182 states have call successors, (63590) [2022-12-13 18:46:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274286 states to 274286 states and 384637 transitions. [2022-12-13 18:46:20,418 INFO L78 Accepts]: Start accepts. Automaton has 274286 states and 384637 transitions. Word has length 262 [2022-12-13 18:46:20,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:20,418 INFO L495 AbstractCegarLoop]: Abstraction has 274286 states and 384637 transitions. [2022-12-13 18:46:20,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 18:46:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 274286 states and 384637 transitions. [2022-12-13 18:46:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-13 18:46:20,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:20,432 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 18:46:20,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 18:46:20,432 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:46:20,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:20,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1112503034, now seen corresponding path program 1 times [2022-12-13 18:46:20,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:20,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875761581] [2022-12-13 18:46:20,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:46:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:46:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:46:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:46:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:46:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:46:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:46:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:46:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:46:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:46:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:46:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:46:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:46:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 18:46:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 18:46:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 18:46:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 18:46:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 18:46:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 18:46:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-12-13 18:46:21,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:21,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875761581] [2022-12-13 18:46:21,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875761581] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:46:21,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092175160] [2022-12-13 18:46:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:21,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:46:21,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:46:21,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:46:21,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 18:46:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:21,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 5373 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 18:46:21,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:46:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-13 18:46:22,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:46:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-13 18:46:22,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092175160] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:46:22,351 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:46:22,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 30 [2022-12-13 18:46:22,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053024169] [2022-12-13 18:46:22,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:46:22,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 18:46:22,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:22,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 18:46:22,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2022-12-13 18:46:22,354 INFO L87 Difference]: Start difference. First operand 274286 states and 384637 transitions. Second operand has 30 states, 30 states have (on average 6.533333333333333) internal successors, (196), 18 states have internal predecessors, (196), 6 states have call successors, (54), 10 states have call predecessors, (54), 8 states have return successors, (41), 8 states have call predecessors, (41), 6 states have call successors, (41) [2022-12-13 18:48:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:09,593 INFO L93 Difference]: Finished difference Result 1305434 states and 1871489 transitions. [2022-12-13 18:48:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2022-12-13 18:48:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.533333333333333) internal successors, (196), 18 states have internal predecessors, (196), 6 states have call successors, (54), 10 states have call predecessors, (54), 8 states have return successors, (41), 8 states have call predecessors, (41), 6 states have call successors, (41) Word has length 259 [2022-12-13 18:48:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:14,153 INFO L225 Difference]: With dead ends: 1305434 [2022-12-13 18:48:14,153 INFO L226 Difference]: Without dead ends: 1046209 [2022-12-13 18:48:15,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 589 SyntacticMatches, 1 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19527 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=6929, Invalid=41251, Unknown=0, NotChecked=0, Total=48180 [2022-12-13 18:48:15,222 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 24863 mSDsluCounter, 23628 mSDsCounter, 0 mSdLazyCounter, 53975 mSolverCounterSat, 17795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25558 SdHoareTripleChecker+Valid, 26409 SdHoareTripleChecker+Invalid, 71770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 17795 IncrementalHoareTripleChecker+Valid, 53975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:15,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25558 Valid, 26409 Invalid, 71770 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [17795 Valid, 53975 Invalid, 0 Unknown, 0 Unchecked, 43.5s Time] [2022-12-13 18:48:16,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046209 states. [2022-12-13 18:49:03,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046209 to 823810. [2022-12-13 18:49:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823810 states, 581810 states have (on average 1.3416527732421237) internal successors, (780587), 602768 states have internal predecessors, (780587), 183376 states have call successors, (183376), 57320 states have call predecessors, (183376), 58623 states have return successors, (192239), 174651 states have call predecessors, (192239), 183375 states have call successors, (192239) [2022-12-13 18:49:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823810 states to 823810 states and 1156202 transitions. [2022-12-13 18:49:09,020 INFO L78 Accepts]: Start accepts. Automaton has 823810 states and 1156202 transitions. Word has length 259 [2022-12-13 18:49:09,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:49:09,021 INFO L495 AbstractCegarLoop]: Abstraction has 823810 states and 1156202 transitions. [2022-12-13 18:49:09,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.533333333333333) internal successors, (196), 18 states have internal predecessors, (196), 6 states have call successors, (54), 10 states have call predecessors, (54), 8 states have return successors, (41), 8 states have call predecessors, (41), 6 states have call successors, (41) [2022-12-13 18:49:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 823810 states and 1156202 transitions. [2022-12-13 18:49:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-12-13 18:49:09,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:49:09,037 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 18:49:09,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 18:49:09,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:09,237 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:49:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:09,240 INFO L85 PathProgramCache]: Analyzing trace with hash -450973432, now seen corresponding path program 1 times [2022-12-13 18:49:09,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:09,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275978020] [2022-12-13 18:49:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:09,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:49:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:49:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:49:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 18:49:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 18:49:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:49:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:49:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:49:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:49:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:49:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:49:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:49:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 18:49:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 18:49:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 18:49:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 18:49:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 18:49:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 18:49:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-12-13 18:49:09,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275978020] [2022-12-13 18:49:09,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275978020] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:49:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178797727] [2022-12-13 18:49:09,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:09,971 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:49:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07efa4a4-f9d9-4292-9164-4d5da380cdfb/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 18:49:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:10,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 5375 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 18:49:10,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-13 18:49:11,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:49:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-13 18:49:11,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178797727] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:49:11,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:49:11,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 30 [2022-12-13 18:49:11,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790663726] [2022-12-13 18:49:11,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:49:11,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 18:49:11,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 18:49:11,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2022-12-13 18:49:11,386 INFO L87 Difference]: Start difference. First operand 823810 states and 1156202 transitions. Second operand has 30 states, 30 states have (on average 6.6) internal successors, (198), 18 states have internal predecessors, (198), 6 states have call successors, (54), 10 states have call predecessors, (54), 8 states have return successors, (41), 8 states have call predecessors, (41), 6 states have call successors, (41) [2022-12-13 18:52:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:09,198 INFO L93 Difference]: Finished difference Result 3128074 states and 4476161 transitions. [2022-12-13 18:52:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2022-12-13 18:52:09,198 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.6) internal successors, (198), 18 states have internal predecessors, (198), 6 states have call successors, (54), 10 states have call predecessors, (54), 8 states have return successors, (41), 8 states have call predecessors, (41), 6 states have call successors, (41) Word has length 260 [2022-12-13 18:52:09,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:52:20,846 INFO L225 Difference]: With dead ends: 3128074 [2022-12-13 18:52:20,846 INFO L226 Difference]: Without dead ends: 2302217