./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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 be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 --- 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 19:02:08,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:02:08,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:02:08,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:02:08,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:02:08,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:02:08,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:02:08,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:02:08,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:02:08,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:02:08,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:02:08,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:02:08,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:02:08,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:02:08,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:02:08,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:02:08,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:02:08,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:02:08,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:02:08,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:02:08,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:02:08,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:02:08,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:02:08,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:02:08,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:02:08,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:02:08,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:02:08,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:02:08,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:02:08,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:02:08,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:02:08,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:02:08,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:02:08,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:02:08,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:02:08,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:02:08,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:02:08,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:02:08,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:02:08,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:02:08,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:02:08,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 19:02:08,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:02:08,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:02:08,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:02:08,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:02:08,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:02:08,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:02:08,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:02:08,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:02:08,676 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:02:08,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:02:08,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:02:08,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:02:08,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:02:08,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:02:08,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:02:08,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:02:08,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:02:08,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:02:08,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:02:08,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:02:08,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:02:08,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:02:08,679 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:02:08,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:02:08,679 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:02:08,679 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 [2022-12-13 19:02:08,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:02:08,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:02:08,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:02:08,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:02:08,900 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:02:08,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:02:11,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:02:11,872 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:02:11,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:02:11,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/159efe28d/90381a80282f49649f0ded87c8c06eb8/FLAG7d050bf82 [2022-12-13 19:02:11,911 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/159efe28d/90381a80282f49649f0ded87c8c06eb8 [2022-12-13 19:02:11,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:02:11,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:02:11,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:02:11,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:02:11,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:02:11,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:02:11" (1/1) ... [2022-12-13 19:02:11,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438f1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:11, skipping insertion in model container [2022-12-13 19:02:11,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:02:11" (1/1) ... [2022-12-13 19:02:11,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:02:12,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:02:12,546 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:02:12,548 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:02:12,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:12,747 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2022-12-13 19:02:12,798 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 19:02:12,799 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 19:02:12,808 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 19:02:12,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 19:02:12,851 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:02:12,894 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:12,895 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:12,895 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,900 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-12-13 19:02:12,904 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:02:12,909 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-12-13 19:02:12,911 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-12-13 19:02:12,918 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:02:12,924 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:12,927 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,928 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:12,929 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,934 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:12,935 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:12,936 WARN L623 FunctionHandler]: Unknown extern function can_get_echo_skb [2022-12-13 19:02:12,945 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:02:12,959 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,960 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:02:12,961 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,962 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:02:12,963 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:12,963 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:12,964 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,965 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,966 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,967 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,971 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 19:02:12,972 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:02:12,972 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:02:12,977 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-12-13 19:02:12,978 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:12,978 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,979 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:02:12,984 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,984 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:02:12,985 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:12,991 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:12,992 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:12,992 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,994 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:02:12,994 WARN L623 FunctionHandler]: Unknown extern function can_put_echo_skb [2022-12-13 19:02:12,995 WARN L623 FunctionHandler]: Unknown extern function can_free_echo_skb [2022-12-13 19:02:12,996 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:12,996 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:12,997 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:02:12,997 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:12,997 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:12,999 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:02:13,003 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,004 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:02:13,010 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,016 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:13,026 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-12-13 19:02:13,027 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:02:13,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:02:13,032 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,032 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-12-13 19:02:13,033 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,034 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:02:13,038 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 19:02:13,039 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:02:13,039 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,065 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:02:13,069 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 19:02:13,070 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 19:02:13,076 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:02:13,076 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:02:13,084 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,091 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,114 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,122 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:02:13,151 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:02:13,266 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:02:13,267 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:02:13,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,270 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2022-12-13 19:02:13,272 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 19:02:13,272 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 19:02:13,273 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 19:02:13,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 19:02:13,276 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:02:13,278 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:13,279 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:13,279 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,279 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-12-13 19:02:13,281 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:02:13,282 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-12-13 19:02:13,283 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-12-13 19:02:13,286 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:02:13,287 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:13,288 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,289 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:13,289 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,293 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:13,294 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:13,295 WARN L623 FunctionHandler]: Unknown extern function can_get_echo_skb [2022-12-13 19:02:13,296 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:02:13,298 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,298 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:02:13,298 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,299 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:02:13,299 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:13,299 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:13,300 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,300 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,301 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,302 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,302 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 19:02:13,302 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:02:13,303 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:02:13,303 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-12-13 19:02:13,304 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:13,304 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,304 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:02:13,305 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,306 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:02:13,306 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,308 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:13,308 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:13,308 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,312 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:02:13,313 WARN L623 FunctionHandler]: Unknown extern function can_put_echo_skb [2022-12-13 19:02:13,313 WARN L623 FunctionHandler]: Unknown extern function can_free_echo_skb [2022-12-13 19:02:13,313 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:02:13,314 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:02:13,314 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:02:13,314 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:02:13,314 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,315 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:02:13,316 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,316 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:02:13,317 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:02:13,319 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:02:13,320 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-12-13 19:02:13,320 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:02:13,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:02:13,323 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,323 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-12-13 19:02:13,324 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:02:13,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,324 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:02:13,325 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 19:02:13,325 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:02:13,326 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:02:13,328 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:02:13,331 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 19:02:13,331 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 19:02:13,334 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:02:13,335 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:02:13,335 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,337 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,340 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,340 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,340 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,342 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:02:13,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:02:13,374 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:02:13,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13 WrapperNode [2022-12-13 19:02:13,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:02:13,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:02:13,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:02:13,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:02:13,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,461 INFO L138 Inliner]: procedures = 169, calls = 735, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 1996 [2022-12-13 19:02:13,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:02:13,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:02:13,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:02:13,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:02:13,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:02:13,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:02:13,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:02:13,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:02:13,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (1/1) ... [2022-12-13 19:02:13,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:02:13,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:02:13,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:02:13,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:02:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 19:02:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 19:02:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 19:02:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2022-12-13 19:02:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2022-12-13 19:02:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2022-12-13 19:02:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-12-13 19:02:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 19:02:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 19:02:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 19:02:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2022-12-13 19:02:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-12-13 19:02:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 19:02:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 19:02:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2022-12-13 19:02:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2022-12-13 19:02:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 19:02:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 19:02:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 19:02:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 19:02:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 19:02:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 19:02:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 19:02:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 19:02:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 19:02:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 19:02:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-12-13 19:02:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-12-13 19:02:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 19:02:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 19:02:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-12-13 19:02:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-12-13 19:02:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:02:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 19:02:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 19:02:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 19:02:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 19:02:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2022-12-13 19:02:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:02:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 19:02:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2022-12-13 19:02:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 19:02:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 19:02:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:02:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2022-12-13 19:02:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:02:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-12-13 19:02:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-12-13 19:02:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 19:02:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2022-12-13 19:02:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2022-12-13 19:02:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 19:02:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 19:02:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-13 19:02:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-13 19:02:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2022-12-13 19:02:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2022-12-13 19:02:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 19:02:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 19:02:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:02:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-13 19:02:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-13 19:02:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 19:02:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2022-12-13 19:02:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2022-12-13 19:02:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 19:02:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 19:02:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-13 19:02:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 19:02:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 19:02:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 19:02:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 19:02:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-12-13 19:02:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-12-13 19:02:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:02:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-12-13 19:02:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-12-13 19:02:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 19:02:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 19:02:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 19:02:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:02:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:02:13,961 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:02:13,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:02:14,099 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 19:02:14,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 19:02:16,227 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:02:16,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:02:16,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:02:16,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:02:16 BoogieIcfgContainer [2022-12-13 19:02:16,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:02:16,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:02:16,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:02:16,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:02:16,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:02:11" (1/3) ... [2022-12-13 19:02:16,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c86dacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:02:16, skipping insertion in model container [2022-12-13 19:02:16,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:02:13" (2/3) ... [2022-12-13 19:02:16,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c86dacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:02:16, skipping insertion in model container [2022-12-13 19:02:16,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:02:16" (3/3) ... [2022-12-13 19:02:16,243 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:02:16,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:02:16,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:02:16,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:02:16,304 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;@43d2a2f6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:02:16,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:02:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 467 states have (on average 1.3340471092077089) internal successors, (623), 491 states have internal predecessors, (623), 135 states have call successors, (135), 48 states have call predecessors, (135), 46 states have return successors, (129), 124 states have call predecessors, (129), 129 states have call successors, (129) [2022-12-13 19:02:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 19:02:16,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:16,317 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:02:16,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1812059217, now seen corresponding path program 1 times [2022-12-13 19:02:16,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:16,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920423017] [2022-12-13 19:02:16,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:02:16,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:16,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920423017] [2022-12-13 19:02:16,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920423017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:16,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:16,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:16,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763809431] [2022-12-13 19:02:16,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:16,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:16,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:16,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:16,732 INFO L87 Difference]: Start difference. First operand has 650 states, 467 states have (on average 1.3340471092077089) internal successors, (623), 491 states have internal predecessors, (623), 135 states have call successors, (135), 48 states have call predecessors, (135), 46 states have return successors, (129), 124 states have call predecessors, (129), 129 states have call successors, (129) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:02:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:20,302 INFO L93 Difference]: Finished difference Result 2056 states and 2924 transitions. [2022-12-13 19:02:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:02:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-12-13 19:02:20,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:20,324 INFO L225 Difference]: With dead ends: 2056 [2022-12-13 19:02:20,324 INFO L226 Difference]: Without dead ends: 1387 [2022-12-13 19:02:20,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:20,334 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 1264 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:20,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1806 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 19:02:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-12-13 19:02:20,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1237. [2022-12-13 19:02:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 897 states have (on average 1.3166109253065774) internal successors, (1181), 925 states have internal predecessors, (1181), 249 states have call successors, (249), 91 states have call predecessors, (249), 90 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2022-12-13 19:02:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1674 transitions. [2022-12-13 19:02:20,446 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1674 transitions. Word has length 28 [2022-12-13 19:02:20,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:20,447 INFO L495 AbstractCegarLoop]: Abstraction has 1237 states and 1674 transitions. [2022-12-13 19:02:20,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:02:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1674 transitions. [2022-12-13 19:02:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 19:02:20,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:20,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:20,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:02:20,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1492996642, now seen corresponding path program 1 times [2022-12-13 19:02:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:20,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268285216] [2022-12-13 19:02:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:20,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:20,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268285216] [2022-12-13 19:02:20,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268285216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:20,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:20,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:20,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079003992] [2022-12-13 19:02:20,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:20,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:20,837 INFO L87 Difference]: Start difference. First operand 1237 states and 1674 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:23,760 INFO L93 Difference]: Finished difference Result 3996 states and 5617 transitions. [2022-12-13 19:02:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:02:23,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 19:02:23,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:23,777 INFO L225 Difference]: With dead ends: 3996 [2022-12-13 19:02:23,777 INFO L226 Difference]: Without dead ends: 2766 [2022-12-13 19:02:23,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:23,783 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 1274 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:23,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 1924 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 19:02:23,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2022-12-13 19:02:23,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2560. [2022-12-13 19:02:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 1860 states have (on average 1.3172043010752688) internal successors, (2450), 1924 states have internal predecessors, (2450), 505 states have call successors, (505), 181 states have call predecessors, (505), 194 states have return successors, (576), 488 states have call predecessors, (576), 500 states have call successors, (576) [2022-12-13 19:02:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3531 transitions. [2022-12-13 19:02:23,909 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3531 transitions. Word has length 38 [2022-12-13 19:02:23,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:23,910 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 3531 transitions. [2022-12-13 19:02:23,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3531 transitions. [2022-12-13 19:02:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 19:02:23,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:23,911 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:23,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:02:23,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:23,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:23,912 INFO L85 PathProgramCache]: Analyzing trace with hash 961431828, now seen corresponding path program 1 times [2022-12-13 19:02:23,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:23,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549513795] [2022-12-13 19:02:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:23,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:24,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:24,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549513795] [2022-12-13 19:02:24,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549513795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:24,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:24,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:24,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226742876] [2022-12-13 19:02:24,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:24,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:24,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:24,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:24,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:24,258 INFO L87 Difference]: Start difference. First operand 2560 states and 3531 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:26,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:26,246 INFO L93 Difference]: Finished difference Result 2758 states and 3866 transitions. [2022-12-13 19:02:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:02:26,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-12-13 19:02:26,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:26,262 INFO L225 Difference]: With dead ends: 2758 [2022-12-13 19:02:26,263 INFO L226 Difference]: Without dead ends: 2755 [2022-12-13 19:02:26,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:26,266 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 1027 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:26,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 1037 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 19:02:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2022-12-13 19:02:26,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2559. [2022-12-13 19:02:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 1860 states have (on average 1.3166666666666667) internal successors, (2449), 1923 states have internal predecessors, (2449), 504 states have call successors, (504), 181 states have call predecessors, (504), 194 states have return successors, (576), 488 states have call predecessors, (576), 500 states have call successors, (576) [2022-12-13 19:02:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3529 transitions. [2022-12-13 19:02:26,426 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3529 transitions. Word has length 39 [2022-12-13 19:02:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:26,426 INFO L495 AbstractCegarLoop]: Abstraction has 2559 states and 3529 transitions. [2022-12-13 19:02:26,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3529 transitions. [2022-12-13 19:02:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 19:02:26,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:26,428 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:26,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:02:26,429 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:26,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:26,429 INFO L85 PathProgramCache]: Analyzing trace with hash -260692063, now seen corresponding path program 1 times [2022-12-13 19:02:26,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:26,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171929547] [2022-12-13 19:02:26,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:26,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:26,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:26,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171929547] [2022-12-13 19:02:26,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171929547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:26,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:26,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201578656] [2022-12-13 19:02:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:26,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:26,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:26,582 INFO L87 Difference]: Start difference. First operand 2559 states and 3529 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:29,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:02:29,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:29,124 INFO L93 Difference]: Finished difference Result 2757 states and 3864 transitions. [2022-12-13 19:02:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:02:29,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-12-13 19:02:29,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:29,133 INFO L225 Difference]: With dead ends: 2757 [2022-12-13 19:02:29,133 INFO L226 Difference]: Without dead ends: 2754 [2022-12-13 19:02:29,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:29,135 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 1024 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:29,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1034 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 19:02:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2022-12-13 19:02:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2558. [2022-12-13 19:02:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 1860 states have (on average 1.3161290322580645) internal successors, (2448), 1922 states have internal predecessors, (2448), 503 states have call successors, (503), 181 states have call predecessors, (503), 194 states have return successors, (576), 488 states have call predecessors, (576), 500 states have call successors, (576) [2022-12-13 19:02:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3527 transitions. [2022-12-13 19:02:29,233 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3527 transitions. Word has length 40 [2022-12-13 19:02:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:29,233 INFO L495 AbstractCegarLoop]: Abstraction has 2558 states and 3527 transitions. [2022-12-13 19:02:29,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3527 transitions. [2022-12-13 19:02:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 19:02:29,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:29,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:29,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:02:29,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash 508177847, now seen corresponding path program 1 times [2022-12-13 19:02:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:29,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371481095] [2022-12-13 19:02:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:29,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:29,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371481095] [2022-12-13 19:02:29,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371481095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:29,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:29,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:29,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004465760] [2022-12-13 19:02:29,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:29,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:29,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:29,339 INFO L87 Difference]: Start difference. First operand 2558 states and 3527 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:32,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:02:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:32,706 INFO L93 Difference]: Finished difference Result 2756 states and 3862 transitions. [2022-12-13 19:02:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:02:32,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2022-12-13 19:02:32,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:32,714 INFO L225 Difference]: With dead ends: 2756 [2022-12-13 19:02:32,714 INFO L226 Difference]: Without dead ends: 2753 [2022-12-13 19:02:32,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:32,716 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 1021 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 243 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:32,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1031 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 399 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 19:02:32,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2022-12-13 19:02:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2557. [2022-12-13 19:02:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 1860 states have (on average 1.3155913978494624) internal successors, (2447), 1921 states have internal predecessors, (2447), 502 states have call successors, (502), 181 states have call predecessors, (502), 194 states have return successors, (576), 488 states have call predecessors, (576), 500 states have call successors, (576) [2022-12-13 19:02:32,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3525 transitions. [2022-12-13 19:02:32,853 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3525 transitions. Word has length 41 [2022-12-13 19:02:32,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:32,853 INFO L495 AbstractCegarLoop]: Abstraction has 2557 states and 3525 transitions. [2022-12-13 19:02:32,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3525 transitions. [2022-12-13 19:02:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 19:02:32,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:32,854 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:32,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:02:32,855 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1426653852, now seen corresponding path program 1 times [2022-12-13 19:02:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:32,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313581801] [2022-12-13 19:02:32,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:32,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313581801] [2022-12-13 19:02:32,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313581801] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:32,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:32,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:02:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713785290] [2022-12-13 19:02:32,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:02:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:32,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:02:32,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:02:32,965 INFO L87 Difference]: Start difference. First operand 2557 states and 3525 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:35,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:02:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:35,497 INFO L93 Difference]: Finished difference Result 2755 states and 3860 transitions. [2022-12-13 19:02:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:02:35,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 19:02:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:35,505 INFO L225 Difference]: With dead ends: 2755 [2022-12-13 19:02:35,505 INFO L226 Difference]: Without dead ends: 2743 [2022-12-13 19:02:35,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:02:35,506 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1023 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:35,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 1024 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 19:02:35,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-12-13 19:02:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2547. [2022-12-13 19:02:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2547 states, 1851 states have (on average 1.3149648838465695) internal successors, (2434), 1911 states have internal predecessors, (2434), 501 states have call successors, (501), 181 states have call predecessors, (501), 194 states have return successors, (576), 488 states have call predecessors, (576), 500 states have call successors, (576) [2022-12-13 19:02:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 3511 transitions. [2022-12-13 19:02:35,610 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 3511 transitions. Word has length 42 [2022-12-13 19:02:35,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:35,611 INFO L495 AbstractCegarLoop]: Abstraction has 2547 states and 3511 transitions. [2022-12-13 19:02:35,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:02:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 3511 transitions. [2022-12-13 19:02:35,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 19:02:35,615 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:35,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:35,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:02:35,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:35,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:35,616 INFO L85 PathProgramCache]: Analyzing trace with hash 299997510, now seen corresponding path program 1 times [2022-12-13 19:02:35,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:35,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54149209] [2022-12-13 19:02:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:35,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:02:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 19:02:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 19:02:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:02:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:02:35,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:35,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54149209] [2022-12-13 19:02:35,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54149209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:35,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:35,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:02:35,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300124007] [2022-12-13 19:02:35,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:35,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:02:35,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:35,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:02:35,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:02:35,797 INFO L87 Difference]: Start difference. First operand 2547 states and 3511 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 19:02:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:39,419 INFO L93 Difference]: Finished difference Result 6226 states and 8575 transitions. [2022-12-13 19:02:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:02:39,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2022-12-13 19:02:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:39,430 INFO L225 Difference]: With dead ends: 6226 [2022-12-13 19:02:39,430 INFO L226 Difference]: Without dead ends: 3686 [2022-12-13 19:02:39,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:02:39,436 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 809 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:39,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 2474 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 19:02:39,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2022-12-13 19:02:39,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3320. [2022-12-13 19:02:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 2416 states have (on average 1.2930463576158941) internal successors, (3124), 2482 states have internal predecessors, (3124), 624 states have call successors, (624), 252 states have call predecessors, (624), 279 states have return successors, (737), 617 states have call predecessors, (737), 623 states have call successors, (737) [2022-12-13 19:02:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4485 transitions. [2022-12-13 19:02:39,634 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4485 transitions. Word has length 85 [2022-12-13 19:02:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:39,634 INFO L495 AbstractCegarLoop]: Abstraction has 3320 states and 4485 transitions. [2022-12-13 19:02:39,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 19:02:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4485 transitions. [2022-12-13 19:02:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 19:02:39,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:39,639 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:02:39,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:02:39,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:39,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2060992627, now seen corresponding path program 1 times [2022-12-13 19:02:39,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:39,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480939389] [2022-12-13 19:02:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:02:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 19:02:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:02:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:02:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:02:39,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:39,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480939389] [2022-12-13 19:02:39,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480939389] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:39,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:39,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:02:39,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360264036] [2022-12-13 19:02:39,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:39,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:02:39,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:39,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:02:39,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:02:39,839 INFO L87 Difference]: Start difference. First operand 3320 states and 4485 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 19:02:41,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:41,451 INFO L93 Difference]: Finished difference Result 7844 states and 10637 transitions. [2022-12-13 19:02:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:02:41,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 101 [2022-12-13 19:02:41,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:41,462 INFO L225 Difference]: With dead ends: 7844 [2022-12-13 19:02:41,462 INFO L226 Difference]: Without dead ends: 4538 [2022-12-13 19:02:41,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:02:41,468 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1010 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:41,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1934 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:02:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-12-13 19:02:41,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 4114. [2022-12-13 19:02:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4114 states, 3010 states have (on average 1.2817275747508305) internal successors, (3858), 3082 states have internal predecessors, (3858), 746 states have call successors, (746), 322 states have call predecessors, (746), 357 states have return successors, (879), 741 states have call predecessors, (879), 745 states have call successors, (879) [2022-12-13 19:02:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 4114 states and 5483 transitions. [2022-12-13 19:02:41,652 INFO L78 Accepts]: Start accepts. Automaton has 4114 states and 5483 transitions. Word has length 101 [2022-12-13 19:02:41,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:41,652 INFO L495 AbstractCegarLoop]: Abstraction has 4114 states and 5483 transitions. [2022-12-13 19:02:41,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 19:02:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 5483 transitions. [2022-12-13 19:02:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 19:02:41,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:41,656 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-12-13 19:02:41,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:02:41,657 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:41,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1172898369, now seen corresponding path program 1 times [2022-12-13 19:02:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:41,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012719351] [2022-12-13 19:02:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:02:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 19:02:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:02:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 19:02:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 19:02:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:02:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:02:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 19:02:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 19:02:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 19:02:41,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:41,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012719351] [2022-12-13 19:02:41,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012719351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:41,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:41,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 19:02:41,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676420875] [2022-12-13 19:02:41,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:41,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:02:41,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:41,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:02:41,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:02:41,868 INFO L87 Difference]: Start difference. First operand 4114 states and 5483 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:02:47,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:02:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:47,749 INFO L93 Difference]: Finished difference Result 11940 states and 16497 transitions. [2022-12-13 19:02:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 19:02:47,749 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2022-12-13 19:02:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:47,769 INFO L225 Difference]: With dead ends: 11940 [2022-12-13 19:02:47,769 INFO L226 Difference]: Without dead ends: 7840 [2022-12-13 19:02:47,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:02:47,775 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 2099 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 3265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:47,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 3447 Invalid, 3265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 19:02:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7840 states. [2022-12-13 19:02:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7840 to 6844. [2022-12-13 19:02:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6844 states, 5021 states have (on average 1.3037243576976698) internal successors, (6546), 5197 states have internal predecessors, (6546), 1224 states have call successors, (1224), 491 states have call predecessors, (1224), 598 states have return successors, (1611), 1243 states have call predecessors, (1611), 1223 states have call successors, (1611) [2022-12-13 19:02:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 9381 transitions. [2022-12-13 19:02:48,092 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 9381 transitions. Word has length 116 [2022-12-13 19:02:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:48,092 INFO L495 AbstractCegarLoop]: Abstraction has 6844 states and 9381 transitions. [2022-12-13 19:02:48,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:02:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 9381 transitions. [2022-12-13 19:02:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 19:02:48,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:48,096 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-12-13 19:02:48,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:02:48,097 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:48,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:48,097 INFO L85 PathProgramCache]: Analyzing trace with hash 771075071, now seen corresponding path program 1 times [2022-12-13 19:02:48,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:48,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868793519] [2022-12-13 19:02:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:48,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:02:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 19:02:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 19:02:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:02:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 19:02:48,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:48,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868793519] [2022-12-13 19:02:48,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868793519] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:02:48,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985320509] [2022-12-13 19:02:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:48,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:02:48,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:02:48,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:02:48,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:02:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:48,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:02:48,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:02:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 19:02:48,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:02:48,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985320509] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:48,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:02:48,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-12-13 19:02:48,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385516277] [2022-12-13 19:02:48,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:48,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:02:48,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:48,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:02:48,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:02:48,764 INFO L87 Difference]: Start difference. First operand 6844 states and 9381 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 19:02:49,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:49,277 INFO L93 Difference]: Finished difference Result 17298 states and 23642 transitions. [2022-12-13 19:02:49,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:02:49,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-12-13 19:02:49,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:49,302 INFO L225 Difference]: With dead ends: 17298 [2022-12-13 19:02:49,302 INFO L226 Difference]: Without dead ends: 10472 [2022-12-13 19:02:49,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:02:49,312 INFO L413 NwaCegarLoop]: 922 mSDtfsCounter, 678 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:49,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 1620 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:02:49,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10472 states. [2022-12-13 19:02:49,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10472 to 10464. [2022-12-13 19:02:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10464 states, 7687 states have (on average 1.3106543515025368) internal successors, (10075), 8011 states have internal predecessors, (10075), 1764 states have call successors, (1764), 813 states have call predecessors, (1764), 1012 states have return successors, (2419), 1807 states have call predecessors, (2419), 1763 states have call successors, (2419) [2022-12-13 19:02:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 10464 states and 14258 transitions. [2022-12-13 19:02:49,858 INFO L78 Accepts]: Start accepts. Automaton has 10464 states and 14258 transitions. Word has length 113 [2022-12-13 19:02:49,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:49,858 INFO L495 AbstractCegarLoop]: Abstraction has 10464 states and 14258 transitions. [2022-12-13 19:02:49,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 19:02:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 10464 states and 14258 transitions. [2022-12-13 19:02:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 19:02:49,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:49,863 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-12-13 19:02:49,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:02:50,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:02:50,064 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:50,065 INFO L85 PathProgramCache]: Analyzing trace with hash -314860298, now seen corresponding path program 1 times [2022-12-13 19:02:50,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:50,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788896466] [2022-12-13 19:02:50,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:50,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:02:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:02:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 19:02:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:02:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:02:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:02:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:02:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:02:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 19:02:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 19:02:50,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:50,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788896466] [2022-12-13 19:02:50,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788896466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:02:50,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:02:50,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 19:02:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587628356] [2022-12-13 19:02:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:02:50,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:02:50,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:02:50,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:02:50,330 INFO L87 Difference]: Start difference. First operand 10464 states and 14258 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:02:55,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:02:55,585 INFO L93 Difference]: Finished difference Result 22696 states and 31427 transitions. [2022-12-13 19:02:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 19:02:55,586 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2022-12-13 19:02:55,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:02:55,611 INFO L225 Difference]: With dead ends: 22696 [2022-12-13 19:02:55,612 INFO L226 Difference]: Without dead ends: 12250 [2022-12-13 19:02:55,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:02:55,627 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 1050 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:02:55,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 2702 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 19:02:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12250 states. [2022-12-13 19:02:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12250 to 10480. [2022-12-13 19:02:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10480 states, 7703 states have (on average 1.3100090873685577) internal successors, (10091), 8027 states have internal predecessors, (10091), 1764 states have call successors, (1764), 813 states have call predecessors, (1764), 1012 states have return successors, (2419), 1807 states have call predecessors, (2419), 1763 states have call successors, (2419) [2022-12-13 19:02:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10480 states to 10480 states and 14274 transitions. [2022-12-13 19:02:56,250 INFO L78 Accepts]: Start accepts. Automaton has 10480 states and 14274 transitions. Word has length 132 [2022-12-13 19:02:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:02:56,251 INFO L495 AbstractCegarLoop]: Abstraction has 10480 states and 14274 transitions. [2022-12-13 19:02:56,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:02:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 10480 states and 14274 transitions. [2022-12-13 19:02:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 19:02:56,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:02:56,261 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-12-13 19:02:56,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:02:56,262 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:02:56,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:02:56,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1511327282, now seen corresponding path program 1 times [2022-12-13 19:02:56,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:02:56,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671355325] [2022-12-13 19:02:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:56,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:02:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:02:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:02:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:02:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:02:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:02:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 19:02:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:02:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:02:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:02:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:02:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:02:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:02:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:02:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:02:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 19:02:56,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:02:56,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671355325] [2022-12-13 19:02:56,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671355325] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:02:56,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611799950] [2022-12-13 19:02:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:02:56,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:02:56,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:02:56,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:02:56,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:02:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:02:56,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:02:57,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:02:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:02:57,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:02:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 19:02:57,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611799950] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:02:57,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:02:57,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-12-13 19:02:57,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793458747] [2022-12-13 19:02:57,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:02:57,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:02:57,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:02:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:02:57,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:02:57,088 INFO L87 Difference]: Start difference. First operand 10480 states and 14274 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:03:01,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:01,010 INFO L93 Difference]: Finished difference Result 22792 states and 31555 transitions. [2022-12-13 19:03:01,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:03:01,011 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 134 [2022-12-13 19:03:01,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:01,037 INFO L225 Difference]: With dead ends: 22792 [2022-12-13 19:03:01,037 INFO L226 Difference]: Without dead ends: 12330 [2022-12-13 19:03:01,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:03:01,054 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 1091 mSDsluCounter, 2990 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 2811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:01,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 3626 Invalid, 2811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 19:03:01,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2022-12-13 19:03:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 10576. [2022-12-13 19:03:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10576 states, 7799 states have (on average 1.3061931016797026) internal successors, (10187), 8123 states have internal predecessors, (10187), 1764 states have call successors, (1764), 813 states have call predecessors, (1764), 1012 states have return successors, (2419), 1807 states have call predecessors, (2419), 1763 states have call successors, (2419) [2022-12-13 19:03:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10576 states to 10576 states and 14370 transitions. [2022-12-13 19:03:01,649 INFO L78 Accepts]: Start accepts. Automaton has 10576 states and 14370 transitions. Word has length 134 [2022-12-13 19:03:01,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:01,649 INFO L495 AbstractCegarLoop]: Abstraction has 10576 states and 14370 transitions. [2022-12-13 19:03:01,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:03:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 10576 states and 14370 transitions. [2022-12-13 19:03:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 19:03:01,654 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:01,655 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-12-13 19:03:01,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:03:01,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:01,855 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:01,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:01,856 INFO L85 PathProgramCache]: Analyzing trace with hash -358141374, now seen corresponding path program 1 times [2022-12-13 19:03:01,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:01,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739427514] [2022-12-13 19:03:01,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:01,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:03:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:03:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 19:03:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 19:03:02,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:02,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739427514] [2022-12-13 19:03:02,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739427514] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:02,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604779548] [2022-12-13 19:03:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:02,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:02,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:02,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:02,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:03:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:02,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:03:02,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:03:02,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:03:02,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604779548] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:02,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:03:02,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-12-13 19:03:02,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971498787] [2022-12-13 19:03:02,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:02,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:03:02,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:02,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:03:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:03:02,832 INFO L87 Difference]: Start difference. First operand 10576 states and 14370 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 19:03:04,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:04,850 INFO L93 Difference]: Finished difference Result 31694 states and 43071 transitions. [2022-12-13 19:03:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:03:04,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 138 [2022-12-13 19:03:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:04,947 INFO L225 Difference]: With dead ends: 31694 [2022-12-13 19:03:04,947 INFO L226 Difference]: Without dead ends: 31686 [2022-12-13 19:03:04,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:03:04,956 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 1564 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:04,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 2814 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:03:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31686 states. [2022-12-13 19:03:06,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31686 to 31652. [2022-12-13 19:03:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31652 states, 23335 states have (on average 1.306578101564174) internal successors, (30489), 24323 states have internal predecessors, (30489), 5284 states have call successors, (5284), 2433 states have call predecessors, (5284), 3032 states have return successors, (7251), 5399 states have call predecessors, (7251), 5283 states have call successors, (7251) [2022-12-13 19:03:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31652 states to 31652 states and 43024 transitions. [2022-12-13 19:03:06,570 INFO L78 Accepts]: Start accepts. Automaton has 31652 states and 43024 transitions. Word has length 138 [2022-12-13 19:03:06,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:06,570 INFO L495 AbstractCegarLoop]: Abstraction has 31652 states and 43024 transitions. [2022-12-13 19:03:06,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 19:03:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 31652 states and 43024 transitions. [2022-12-13 19:03:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 19:03:06,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:06,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2022-12-13 19:03:06,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:03:06,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 19:03:06,783 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:06,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:06,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1469815588, now seen corresponding path program 1 times [2022-12-13 19:03:06,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:06,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307503368] [2022-12-13 19:03:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:03:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 19:03:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:03:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:03:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:03:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:03:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:03:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 19:03:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 19:03:07,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:07,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307503368] [2022-12-13 19:03:07,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307503368] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:07,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186462494] [2022-12-13 19:03:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:07,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:07,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:07,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:07,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:03:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:07,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:03:07,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:03:07,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:03:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 19:03:07,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186462494] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:03:07,760 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:03:07,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 18 [2022-12-13 19:03:07,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684170226] [2022-12-13 19:03:07,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:03:07,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 19:03:07,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:07,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 19:03:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-12-13 19:03:07,763 INFO L87 Difference]: Start difference. First operand 31652 states and 43024 transitions. Second operand has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:03:15,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:15,164 INFO L93 Difference]: Finished difference Result 69120 states and 95535 transitions. [2022-12-13 19:03:15,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 19:03:15,165 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2022-12-13 19:03:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:15,255 INFO L225 Difference]: With dead ends: 69120 [2022-12-13 19:03:15,256 INFO L226 Difference]: Without dead ends: 37486 [2022-12-13 19:03:15,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-12-13 19:03:15,306 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1046 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:15,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 3862 Invalid, 2920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [734 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 19:03:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37486 states. [2022-12-13 19:03:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37486 to 32228. [2022-12-13 19:03:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32228 states, 23911 states have (on average 1.299192840115428) internal successors, (31065), 24899 states have internal predecessors, (31065), 5284 states have call successors, (5284), 2433 states have call predecessors, (5284), 3032 states have return successors, (7251), 5399 states have call predecessors, (7251), 5283 states have call successors, (7251) [2022-12-13 19:03:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32228 states to 32228 states and 43600 transitions. [2022-12-13 19:03:17,007 INFO L78 Accepts]: Start accepts. Automaton has 32228 states and 43600 transitions. Word has length 140 [2022-12-13 19:03:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:17,007 INFO L495 AbstractCegarLoop]: Abstraction has 32228 states and 43600 transitions. [2022-12-13 19:03:17,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:03:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32228 states and 43600 transitions. [2022-12-13 19:03:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 19:03:17,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:17,021 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:17,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 19:03:17,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:17,222 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1508825265, now seen corresponding path program 1 times [2022-12-13 19:03:17,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:17,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011116053] [2022-12-13 19:03:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:03:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:03:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 19:03:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 19:03:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 19:03:17,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:17,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011116053] [2022-12-13 19:03:17,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011116053] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:17,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940830631] [2022-12-13 19:03:17,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:17,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:17,609 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:17,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:03:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:18,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:03:18,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 19:03:18,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:03:18,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940830631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:18,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:03:18,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-12-13 19:03:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372651224] [2022-12-13 19:03:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:18,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:03:18,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:03:18,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:03:18,099 INFO L87 Difference]: Start difference. First operand 32228 states and 43600 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 19:03:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:19,477 INFO L93 Difference]: Finished difference Result 49562 states and 66949 transitions. [2022-12-13 19:03:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:03:19,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 148 [2022-12-13 19:03:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:19,519 INFO L225 Difference]: With dead ends: 49562 [2022-12-13 19:03:19,519 INFO L226 Difference]: Without dead ends: 17292 [2022-12-13 19:03:19,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:03:19,561 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 731 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:19,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 1266 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:03:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17292 states. [2022-12-13 19:03:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17292 to 17248. [2022-12-13 19:03:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17248 states, 12804 states have (on average 1.2868634801624492) internal successors, (16477), 13309 states have internal predecessors, (16477), 2815 states have call successors, (2815), 1317 states have call predecessors, (2815), 1628 states have return successors, (3828), 2873 states have call predecessors, (3828), 2814 states have call successors, (3828) [2022-12-13 19:03:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17248 states to 17248 states and 23120 transitions. [2022-12-13 19:03:20,453 INFO L78 Accepts]: Start accepts. Automaton has 17248 states and 23120 transitions. Word has length 148 [2022-12-13 19:03:20,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:20,454 INFO L495 AbstractCegarLoop]: Abstraction has 17248 states and 23120 transitions. [2022-12-13 19:03:20,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 19:03:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 17248 states and 23120 transitions. [2022-12-13 19:03:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 19:03:20,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:20,464 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:20,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:03:20,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 19:03:20,666 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:20,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash 918136823, now seen corresponding path program 1 times [2022-12-13 19:03:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:20,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67945165] [2022-12-13 19:03:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:20,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:03:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:03:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 19:03:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:03:21,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:21,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67945165] [2022-12-13 19:03:21,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67945165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:21,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380010488] [2022-12-13 19:03:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:21,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:21,051 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:21,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:03:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:21,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:03:21,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:03:21,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:03:21,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380010488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:21,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:03:21,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 19:03:21,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980134692] [2022-12-13 19:03:21,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:21,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:03:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:21,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:03:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:03:21,456 INFO L87 Difference]: Start difference. First operand 17248 states and 23120 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 19:03:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:22,601 INFO L93 Difference]: Finished difference Result 33060 states and 44477 transitions. [2022-12-13 19:03:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:03:22,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 150 [2022-12-13 19:03:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:22,637 INFO L225 Difference]: With dead ends: 33060 [2022-12-13 19:03:22,637 INFO L226 Difference]: Without dead ends: 17256 [2022-12-13 19:03:22,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:03:22,660 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 676 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:22,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 2037 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:03:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17256 states. [2022-12-13 19:03:23,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17256 to 17248. [2022-12-13 19:03:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17248 states, 12804 states have (on average 1.2834270540456107) internal successors, (16433), 13309 states have internal predecessors, (16433), 2815 states have call successors, (2815), 1317 states have call predecessors, (2815), 1628 states have return successors, (3828), 2873 states have call predecessors, (3828), 2814 states have call successors, (3828) [2022-12-13 19:03:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17248 states to 17248 states and 23076 transitions. [2022-12-13 19:03:23,747 INFO L78 Accepts]: Start accepts. Automaton has 17248 states and 23076 transitions. Word has length 150 [2022-12-13 19:03:23,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:23,747 INFO L495 AbstractCegarLoop]: Abstraction has 17248 states and 23076 transitions. [2022-12-13 19:03:23,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 19:03:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 17248 states and 23076 transitions. [2022-12-13 19:03:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 19:03:23,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:23,757 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:23,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 19:03:23,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 19:03:23,958 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 980176437, now seen corresponding path program 1 times [2022-12-13 19:03:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:23,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519186435] [2022-12-13 19:03:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:03:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:03:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 19:03:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 19:03:24,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:24,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519186435] [2022-12-13 19:03:24,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519186435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:24,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:03:24,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 19:03:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142265682] [2022-12-13 19:03:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:24,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:03:24,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:03:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:03:24,429 INFO L87 Difference]: Start difference. First operand 17248 states and 23076 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 19:03:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:28,691 INFO L93 Difference]: Finished difference Result 36016 states and 48628 transitions. [2022-12-13 19:03:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:03:28,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 150 [2022-12-13 19:03:28,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:28,743 INFO L225 Difference]: With dead ends: 36016 [2022-12-13 19:03:28,744 INFO L226 Difference]: Without dead ends: 18786 [2022-12-13 19:03:28,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:03:28,770 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 724 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 3581 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:28,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 3581 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 19:03:28,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18786 states. [2022-12-13 19:03:29,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18786 to 17395. [2022-12-13 19:03:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17395 states, 12909 states have (on average 1.281121698040127) internal successors, (16538), 13414 states have internal predecessors, (16538), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2915 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17395 states to 17395 states and 23337 transitions. [2022-12-13 19:03:29,698 INFO L78 Accepts]: Start accepts. Automaton has 17395 states and 23337 transitions. Word has length 150 [2022-12-13 19:03:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:29,698 INFO L495 AbstractCegarLoop]: Abstraction has 17395 states and 23337 transitions. [2022-12-13 19:03:29,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 19:03:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 17395 states and 23337 transitions. [2022-12-13 19:03:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 19:03:29,708 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:29,708 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:29,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 19:03:29,709 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:29,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash 997379512, now seen corresponding path program 1 times [2022-12-13 19:03:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:29,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439268048] [2022-12-13 19:03:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:29,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:03:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 19:03:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 19:03:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 19:03:30,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:30,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439268048] [2022-12-13 19:03:30,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439268048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:30,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:03:30,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:03:30,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553879031] [2022-12-13 19:03:30,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:30,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:03:30,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:03:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:03:30,178 INFO L87 Difference]: Start difference. First operand 17395 states and 23337 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:33,945 INFO L93 Difference]: Finished difference Result 36205 states and 49015 transitions. [2022-12-13 19:03:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:03:33,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 156 [2022-12-13 19:03:33,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:33,996 INFO L225 Difference]: With dead ends: 36205 [2022-12-13 19:03:33,997 INFO L226 Difference]: Without dead ends: 18828 [2022-12-13 19:03:34,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:03:34,026 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 528 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 2057 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:34,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 2057 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 19:03:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18828 states. [2022-12-13 19:03:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18828 to 17437. [2022-12-13 19:03:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17437 states, 12951 states have (on average 1.2802100223920934) internal successors, (16580), 13456 states have internal predecessors, (16580), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2915 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17437 states to 17437 states and 23379 transitions. [2022-12-13 19:03:34,968 INFO L78 Accepts]: Start accepts. Automaton has 17437 states and 23379 transitions. Word has length 156 [2022-12-13 19:03:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:34,968 INFO L495 AbstractCegarLoop]: Abstraction has 17437 states and 23379 transitions. [2022-12-13 19:03:34,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 17437 states and 23379 transitions. [2022-12-13 19:03:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 19:03:34,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:34,978 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 3, 3, 3, 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] [2022-12-13 19:03:34,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 19:03:34,978 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:34,978 INFO L85 PathProgramCache]: Analyzing trace with hash 159601577, now seen corresponding path program 1 times [2022-12-13 19:03:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:34,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619673774] [2022-12-13 19:03:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:03:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 19:03:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:03:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 19:03:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:03:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 19:03:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:03:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 19:03:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-13 19:03:35,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:35,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619673774] [2022-12-13 19:03:35,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619673774] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:35,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952097988] [2022-12-13 19:03:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:35,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:35,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:35,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:03:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:36,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 19:03:36,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-12-13 19:03:36,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:03:36,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952097988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:36,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:03:36,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 11 [2022-12-13 19:03:36,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541176236] [2022-12-13 19:03:36,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:36,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:03:36,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:36,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:03:36,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:03:36,198 INFO L87 Difference]: Start difference. First operand 17437 states and 23379 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:03:38,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:03:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:38,835 INFO L93 Difference]: Finished difference Result 38476 states and 52339 transitions. [2022-12-13 19:03:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:03:38,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 158 [2022-12-13 19:03:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:38,877 INFO L225 Difference]: With dead ends: 38476 [2022-12-13 19:03:38,877 INFO L226 Difference]: Without dead ends: 21057 [2022-12-13 19:03:38,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:03:38,901 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 451 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 5118 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:38,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 5118 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 19:03:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21057 states. [2022-12-13 19:03:39,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21057 to 17527. [2022-12-13 19:03:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17527 states, 13041 states have (on average 1.2782762058124377) internal successors, (16670), 13516 states have internal predecessors, (16670), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2945 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17527 states to 17527 states and 23469 transitions. [2022-12-13 19:03:39,961 INFO L78 Accepts]: Start accepts. Automaton has 17527 states and 23469 transitions. Word has length 158 [2022-12-13 19:03:39,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:39,961 INFO L495 AbstractCegarLoop]: Abstraction has 17527 states and 23469 transitions. [2022-12-13 19:03:39,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:03:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 17527 states and 23469 transitions. [2022-12-13 19:03:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-13 19:03:39,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:39,970 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:39,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 19:03:40,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:40,172 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:40,173 INFO L85 PathProgramCache]: Analyzing trace with hash 866780706, now seen corresponding path program 1 times [2022-12-13 19:03:40,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:40,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481833709] [2022-12-13 19:03:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:40,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:03:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:03:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:03:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 19:03:40,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:40,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481833709] [2022-12-13 19:03:40,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481833709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:03:40,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:03:40,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:03:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904126561] [2022-12-13 19:03:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:40,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:03:40,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:40,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:03:40,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:03:40,608 INFO L87 Difference]: Start difference. First operand 17527 states and 23469 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:45,207 INFO L93 Difference]: Finished difference Result 36469 states and 49279 transitions. [2022-12-13 19:03:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:03:45,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 157 [2022-12-13 19:03:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:45,251 INFO L225 Difference]: With dead ends: 36469 [2022-12-13 19:03:45,251 INFO L226 Difference]: Without dead ends: 18960 [2022-12-13 19:03:45,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:03:45,279 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 720 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2387 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:45,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 2387 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 19:03:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18960 states. [2022-12-13 19:03:46,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18960 to 17569. [2022-12-13 19:03:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 13083 states have (on average 1.2773828632576627) internal successors, (16712), 13558 states have internal predecessors, (16712), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2945 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 23511 transitions. [2022-12-13 19:03:46,293 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 23511 transitions. Word has length 157 [2022-12-13 19:03:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:46,293 INFO L495 AbstractCegarLoop]: Abstraction has 17569 states and 23511 transitions. [2022-12-13 19:03:46,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 23511 transitions. [2022-12-13 19:03:46,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 19:03:46,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:46,302 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:46,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 19:03:46,302 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:46,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:46,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1359339954, now seen corresponding path program 1 times [2022-12-13 19:03:46,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:46,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372880148] [2022-12-13 19:03:46,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:46,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:03:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 19:03:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 19:03:46,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:46,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372880148] [2022-12-13 19:03:46,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372880148] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:46,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6009757] [2022-12-13 19:03:46,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:46,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:46,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:46,807 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:46,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:03:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:47,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:03:47,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 19:03:47,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:03:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 19:03:47,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6009757] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:47,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:03:47,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 5] total 12 [2022-12-13 19:03:47,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738986095] [2022-12-13 19:03:47,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:03:47,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:03:47,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:47,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:03:47,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:03:47,317 INFO L87 Difference]: Start difference. First operand 17569 states and 23511 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:48,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:48,427 INFO L93 Difference]: Finished difference Result 35162 states and 47224 transitions. [2022-12-13 19:03:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:03:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 158 [2022-12-13 19:03:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:48,464 INFO L225 Difference]: With dead ends: 35162 [2022-12-13 19:03:48,464 INFO L226 Difference]: Without dead ends: 17611 [2022-12-13 19:03:48,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:03:48,488 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 10 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:48,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1682 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:03:48,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17611 states. [2022-12-13 19:03:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17611 to 17611. [2022-12-13 19:03:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17611 states, 13125 states have (on average 1.2764952380952381) internal successors, (16754), 13600 states have internal predecessors, (16754), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2945 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17611 states to 17611 states and 23553 transitions. [2022-12-13 19:03:49,509 INFO L78 Accepts]: Start accepts. Automaton has 17611 states and 23553 transitions. Word has length 158 [2022-12-13 19:03:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:49,510 INFO L495 AbstractCegarLoop]: Abstraction has 17611 states and 23553 transitions. [2022-12-13 19:03:49,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:03:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17611 states and 23553 transitions. [2022-12-13 19:03:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-13 19:03:49,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:49,518 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:03:49,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 19:03:49,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:49,719 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1759307170, now seen corresponding path program 1 times [2022-12-13 19:03:49,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:49,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47625075] [2022-12-13 19:03:49,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:49,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:03:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 19:03:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:03:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 19:03:50,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:50,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47625075] [2022-12-13 19:03:50,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47625075] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:50,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345610588] [2022-12-13 19:03:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:50,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:50,269 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:50,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 19:03:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:50,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1837 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 19:03:50,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:50,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-13 19:03:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 19:03:50,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:03:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 19:03:51,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345610588] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:03:51,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:03:51,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 6] total 15 [2022-12-13 19:03:51,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043652927] [2022-12-13 19:03:51,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:03:51,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 19:03:51,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:51,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 19:03:51,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-12-13 19:03:51,071 INFO L87 Difference]: Start difference. First operand 17611 states and 23553 transitions. Second operand has 15 states, 15 states have (on average 10.0) internal successors, (150), 11 states have internal predecessors, (150), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:03:56,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:03:56,483 INFO L93 Difference]: Finished difference Result 36679 states and 49531 transitions. [2022-12-13 19:03:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:03:56,483 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 11 states have internal predecessors, (150), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2022-12-13 19:03:56,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:03:56,523 INFO L225 Difference]: With dead ends: 36679 [2022-12-13 19:03:56,523 INFO L226 Difference]: Without dead ends: 19086 [2022-12-13 19:03:56,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-12-13 19:03:56,547 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 500 mSDsluCounter, 5849 mSDsCounter, 0 mSdLazyCounter, 3165 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 3521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 3165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:03:56,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 6517 Invalid, 3521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 3165 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 19:03:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2022-12-13 19:03:57,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 17695. [2022-12-13 19:03:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17695 states, 13209 states have (on average 1.2747369217957454) internal successors, (16838), 13684 states have internal predecessors, (16838), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2945 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:03:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17695 states to 17695 states and 23637 transitions. [2022-12-13 19:03:57,670 INFO L78 Accepts]: Start accepts. Automaton has 17695 states and 23637 transitions. Word has length 159 [2022-12-13 19:03:57,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:03:57,670 INFO L495 AbstractCegarLoop]: Abstraction has 17695 states and 23637 transitions. [2022-12-13 19:03:57,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 11 states have internal predecessors, (150), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:03:57,670 INFO L276 IsEmpty]: Start isEmpty. Operand 17695 states and 23637 transitions. [2022-12-13 19:03:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 19:03:57,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:03:57,679 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 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 19:03:57,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 19:03:57,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 19:03:57,880 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:03:57,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:03:57,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1872686430, now seen corresponding path program 2 times [2022-12-13 19:03:57,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:03:57,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434283527] [2022-12-13 19:03:57,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:03:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:03:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:03:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:03:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:03:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:03:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:03:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 19:03:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:03:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:03:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:03:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:03:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 19:03:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:03:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-13 19:03:58,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:03:58,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434283527] [2022-12-13 19:03:58,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434283527] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:03:58,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918596604] [2022-12-13 19:03:58,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:03:58,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:03:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:03:58,571 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:03:58,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 19:03:59,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:03:59,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:03:59,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 19:03:59,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:03:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 19:03:59,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:03:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 19:03:59,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918596604] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:03:59,699 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:03:59,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 8] total 19 [2022-12-13 19:03:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449873146] [2022-12-13 19:03:59,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:03:59,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 19:03:59,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:03:59,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 19:03:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-12-13 19:03:59,702 INFO L87 Difference]: Start difference. First operand 17695 states and 23637 transitions. Second operand has 19 states, 19 states have (on average 8.157894736842104) internal successors, (155), 15 states have internal predecessors, (155), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:04:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:04:06,059 INFO L93 Difference]: Finished difference Result 37183 states and 50119 transitions. [2022-12-13 19:04:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 19:04:06,060 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.157894736842104) internal successors, (155), 15 states have internal predecessors, (155), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2022-12-13 19:04:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:04:06,101 INFO L225 Difference]: With dead ends: 37183 [2022-12-13 19:04:06,101 INFO L226 Difference]: Without dead ends: 19254 [2022-12-13 19:04:06,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2022-12-13 19:04:06,128 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 515 mSDsluCounter, 6292 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 6943 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:04:06,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 6943 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 3492 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 19:04:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19254 states. [2022-12-13 19:04:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19254 to 17863. [2022-12-13 19:04:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17863 states, 13377 states have (on average 1.2712865365926591) internal successors, (17006), 13852 states have internal predecessors, (17006), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3963), 2945 states have call predecessors, (3963), 2835 states have call successors, (3963) [2022-12-13 19:04:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17863 states to 17863 states and 23805 transitions. [2022-12-13 19:04:07,288 INFO L78 Accepts]: Start accepts. Automaton has 17863 states and 23805 transitions. Word has length 161 [2022-12-13 19:04:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:04:07,288 INFO L495 AbstractCegarLoop]: Abstraction has 17863 states and 23805 transitions. [2022-12-13 19:04:07,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.157894736842104) internal successors, (155), 15 states have internal predecessors, (155), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:04:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 17863 states and 23805 transitions. [2022-12-13 19:04:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 19:04:07,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:04:07,300 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:04:07,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 19:04:07,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:07,502 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:04:07,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:04:07,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1963819564, now seen corresponding path program 2 times [2022-12-13 19:04:07,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:04:07,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941099966] [2022-12-13 19:04:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:07,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:04:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:04:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:04:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:04:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:04:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:04:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:04:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 19:04:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 19:04:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:04:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 19:04:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:04:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 19:04:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-13 19:04:08,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:04:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941099966] [2022-12-13 19:04:08,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941099966] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:04:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018548679] [2022-12-13 19:04:08,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:04:08,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:08,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:04:08,083 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:04:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 19:04:08,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:04:08,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:04:08,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 19:04:08,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:04:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-13 19:04:08,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:04:08,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018548679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:04:08,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:04:08,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 10 [2022-12-13 19:04:08,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403446181] [2022-12-13 19:04:08,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:04:08,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:04:08,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:04:08,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:04:08,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:04:08,895 INFO L87 Difference]: Start difference. First operand 17863 states and 23805 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 19:04:10,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:04:10,009 INFO L93 Difference]: Finished difference Result 35768 states and 47650 transitions. [2022-12-13 19:04:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:04:10,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2022-12-13 19:04:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:04:10,054 INFO L225 Difference]: With dead ends: 35768 [2022-12-13 19:04:10,054 INFO L226 Difference]: Without dead ends: 17863 [2022-12-13 19:04:10,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:04:10,086 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 0 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:04:10,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3367 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:04:10,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17863 states. [2022-12-13 19:04:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17863 to 17863. [2022-12-13 19:04:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17863 states, 13377 states have (on average 1.2712865365926591) internal successors, (17006), 13852 states have internal predecessors, (17006), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3933), 2945 states have call predecessors, (3933), 2835 states have call successors, (3933) [2022-12-13 19:04:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17863 states to 17863 states and 23775 transitions. [2022-12-13 19:04:11,190 INFO L78 Accepts]: Start accepts. Automaton has 17863 states and 23775 transitions. Word has length 164 [2022-12-13 19:04:11,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:04:11,190 INFO L495 AbstractCegarLoop]: Abstraction has 17863 states and 23775 transitions. [2022-12-13 19:04:11,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 19:04:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 17863 states and 23775 transitions. [2022-12-13 19:04:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-13 19:04:11,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:04:11,199 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 19:04:11,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 19:04:11,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:11,401 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:04:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:04:11,402 INFO L85 PathProgramCache]: Analyzing trace with hash 594827465, now seen corresponding path program 1 times [2022-12-13 19:04:11,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:04:11,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109258312] [2022-12-13 19:04:11,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:04:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:04:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:04:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:04:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:04:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:04:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:04:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:04:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:04:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:04:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 19:04:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:04:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 19:04:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-13 19:04:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:04:12,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109258312] [2022-12-13 19:04:12,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109258312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:04:12,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:04:12,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 19:04:12,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715957176] [2022-12-13 19:04:12,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:04:12,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 19:04:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:04:12,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 19:04:12,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:04:12,989 INFO L87 Difference]: Start difference. First operand 17863 states and 23775 transitions. Second operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:04:29,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:04:29,536 INFO L93 Difference]: Finished difference Result 42346 states and 57782 transitions. [2022-12-13 19:04:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 19:04:29,537 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 170 [2022-12-13 19:04:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:04:29,594 INFO L225 Difference]: With dead ends: 42346 [2022-12-13 19:04:29,594 INFO L226 Difference]: Without dead ends: 24501 [2022-12-13 19:04:29,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=1255, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 19:04:29,623 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 2376 mSDsluCounter, 14957 mSDsCounter, 0 mSdLazyCounter, 9535 mSolverCounterSat, 1318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2516 SdHoareTripleChecker+Valid, 16448 SdHoareTripleChecker+Invalid, 10853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1318 IncrementalHoareTripleChecker+Valid, 9535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:04:29,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2516 Valid, 16448 Invalid, 10853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1318 Valid, 9535 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-12-13 19:04:29,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24501 states. [2022-12-13 19:04:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24501 to 17863. [2022-12-13 19:04:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17863 states, 13377 states have (on average 1.2701652089407192) internal successors, (16991), 13852 states have internal predecessors, (16991), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3933), 2945 states have call predecessors, (3933), 2835 states have call successors, (3933) [2022-12-13 19:04:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17863 states to 17863 states and 23760 transitions. [2022-12-13 19:04:31,261 INFO L78 Accepts]: Start accepts. Automaton has 17863 states and 23760 transitions. Word has length 170 [2022-12-13 19:04:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:04:31,261 INFO L495 AbstractCegarLoop]: Abstraction has 17863 states and 23760 transitions. [2022-12-13 19:04:31,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:04:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 17863 states and 23760 transitions. [2022-12-13 19:04:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 19:04:31,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:04:31,270 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:04:31,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 19:04:31,270 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:04:31,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:04:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1589792548, now seen corresponding path program 3 times [2022-12-13 19:04:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:04:31,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60363244] [2022-12-13 19:04:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:04:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:04:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:04:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:04:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:04:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:31,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:04:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 19:04:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 19:04:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:04:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 19:04:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-13 19:04:32,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:04:32,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60363244] [2022-12-13 19:04:32,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60363244] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:04:32,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936132450] [2022-12-13 19:04:32,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:04:32,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:32,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:04:32,387 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:04:32,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 19:04:33,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 19:04:33,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:04:33,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 19:04:33,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:04:33,510 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 19:04:33,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:04:33,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936132450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:04:33,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:04:33,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2022-12-13 19:04:33,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319830818] [2022-12-13 19:04:33,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:04:33,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:04:33,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:04:33,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:04:33,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-12-13 19:04:33,512 INFO L87 Difference]: Start difference. First operand 17863 states and 23760 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-13 19:04:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:04:38,430 INFO L93 Difference]: Finished difference Result 43413 states and 59284 transitions. [2022-12-13 19:04:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 19:04:38,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) Word has length 165 [2022-12-13 19:04:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:04:38,482 INFO L225 Difference]: With dead ends: 43413 [2022-12-13 19:04:38,482 INFO L226 Difference]: Without dead ends: 27087 [2022-12-13 19:04:38,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2022-12-13 19:04:38,507 INFO L413 NwaCegarLoop]: 1868 mSDtfsCounter, 2558 mSDsluCounter, 15680 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 17548 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:04:38,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 17548 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 19:04:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27087 states. [2022-12-13 19:04:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27087 to 17863. [2022-12-13 19:04:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17863 states, 13377 states have (on average 1.2697166778799431) internal successors, (16985), 13852 states have internal predecessors, (16985), 2836 states have call successors, (2836), 1317 states have call predecessors, (2836), 1649 states have return successors, (3933), 2945 states have call predecessors, (3933), 2835 states have call successors, (3933) [2022-12-13 19:04:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17863 states to 17863 states and 23754 transitions. [2022-12-13 19:04:40,451 INFO L78 Accepts]: Start accepts. Automaton has 17863 states and 23754 transitions. Word has length 165 [2022-12-13 19:04:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:04:40,452 INFO L495 AbstractCegarLoop]: Abstraction has 17863 states and 23754 transitions. [2022-12-13 19:04:40,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-13 19:04:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 17863 states and 23754 transitions. [2022-12-13 19:04:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-13 19:04:40,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:04:40,463 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:04:40,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 19:04:40,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 19:04:40,665 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:04:40,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:04:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1931260496, now seen corresponding path program 1 times [2022-12-13 19:04:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:04:40,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145956417] [2022-12-13 19:04:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:40,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:04:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:04:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:04:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:04:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:04:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:04:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 19:04:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 19:04:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:04:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 19:04:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 19:04:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 19:04:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-13 19:04:41,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:04:41,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145956417] [2022-12-13 19:04:41,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145956417] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:04:41,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344362085] [2022-12-13 19:04:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:04:41,533 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:04:41,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 19:04:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:42,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 2309 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 19:04:42,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:04:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:04:42,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:04:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-13 19:04:42,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344362085] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:04:42,452 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:04:42,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 6] total 23 [2022-12-13 19:04:42,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620024474] [2022-12-13 19:04:42,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:04:42,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 19:04:42,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:04:42,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 19:04:42,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2022-12-13 19:04:42,455 INFO L87 Difference]: Start difference. First operand 17863 states and 23754 transitions. Second operand has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 18 states have internal predecessors, (174), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 19:04:50,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:04:50,801 INFO L93 Difference]: Finished difference Result 38263 states and 51250 transitions. [2022-12-13 19:04:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 19:04:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 18 states have internal predecessors, (174), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 183 [2022-12-13 19:04:50,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:04:50,845 INFO L225 Difference]: With dead ends: 38263 [2022-12-13 19:04:50,845 INFO L226 Difference]: Without dead ends: 20418 [2022-12-13 19:04:50,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=1153, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 19:04:50,871 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1186 mSDsluCounter, 5595 mSDsCounter, 0 mSdLazyCounter, 4493 mSolverCounterSat, 741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 5234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 4493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:04:50,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 6184 Invalid, 5234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 4493 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 19:04:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20418 states. [2022-12-13 19:04:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20418 to 16672. [2022-12-13 19:04:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16672 states, 12525 states have (on average 1.2602794411177645) internal successors, (15785), 12835 states have internal predecessors, (15785), 2653 states have call successors, (2653), 1317 states have call predecessors, (2653), 1493 states have return successors, (3081), 2699 states have call predecessors, (3081), 2652 states have call successors, (3081) [2022-12-13 19:04:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16672 states to 16672 states and 21519 transitions. [2022-12-13 19:04:52,809 INFO L78 Accepts]: Start accepts. Automaton has 16672 states and 21519 transitions. Word has length 183 [2022-12-13 19:04:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:04:52,809 INFO L495 AbstractCegarLoop]: Abstraction has 16672 states and 21519 transitions. [2022-12-13 19:04:52,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.565217391304348) internal successors, (174), 18 states have internal predecessors, (174), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 19:04:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 16672 states and 21519 transitions. [2022-12-13 19:04:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-13 19:04:52,820 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:04:52,820 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:04:52,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 19:04:53,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-13 19:04:53,021 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:04:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:04:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash 149621772, now seen corresponding path program 2 times [2022-12-13 19:04:53,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:04:53,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093369742] [2022-12-13 19:04:53,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:04:53,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:04:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:04:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:04:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:04:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:04:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:04:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 19:04:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 19:04:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:04:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:04:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 19:04:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:04:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 19:04:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 19:04:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:04:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-13 19:04:54,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:04:54,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093369742] [2022-12-13 19:04:54,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093369742] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:04:54,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422580979] [2022-12-13 19:04:54,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:04:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:04:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:04:54,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:04:54,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 19:04:55,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:04:55,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:04:55,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 19:04:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:04:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 19:04:55,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:04:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 19:04:55,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422580979] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:04:55,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:04:55,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 26 [2022-12-13 19:04:55,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002514872] [2022-12-13 19:04:55,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:04:55,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 19:04:55,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:04:55,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 19:04:55,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2022-12-13 19:04:55,615 INFO L87 Difference]: Start difference. First operand 16672 states and 21519 transitions. Second operand has 26 states, 26 states have (on average 6.730769230769231) internal successors, (175), 21 states have internal predecessors, (175), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 19:05:08,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:05:09,261 INFO L93 Difference]: Finished difference Result 36250 states and 47545 transitions. [2022-12-13 19:05:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 19:05:09,262 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.730769230769231) internal successors, (175), 21 states have internal predecessors, (175), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2022-12-13 19:05:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:05:09,298 INFO L225 Difference]: With dead ends: 36250 [2022-12-13 19:05:09,298 INFO L226 Difference]: Without dead ends: 19260 [2022-12-13 19:05:09,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=286, Invalid=1694, Unknown=0, NotChecked=0, Total=1980 [2022-12-13 19:05:09,319 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 683 mSDsluCounter, 8423 mSDsCounter, 0 mSdLazyCounter, 6474 mSolverCounterSat, 383 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 9020 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 6474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:05:09,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 9020 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 6474 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 19:05:09,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19260 states. [2022-12-13 19:05:11,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19260 to 16882. [2022-12-13 19:05:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16882 states, 12735 states have (on average 1.2559874361994503) internal successors, (15995), 13045 states have internal predecessors, (15995), 2653 states have call successors, (2653), 1317 states have call predecessors, (2653), 1493 states have return successors, (3081), 2699 states have call predecessors, (3081), 2652 states have call successors, (3081) [2022-12-13 19:05:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16882 states to 16882 states and 21729 transitions. [2022-12-13 19:05:11,295 INFO L78 Accepts]: Start accepts. Automaton has 16882 states and 21729 transitions. Word has length 184 [2022-12-13 19:05:11,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:05:11,296 INFO L495 AbstractCegarLoop]: Abstraction has 16882 states and 21729 transitions. [2022-12-13 19:05:11,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.730769230769231) internal successors, (175), 21 states have internal predecessors, (175), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 19:05:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 16882 states and 21729 transitions. [2022-12-13 19:05:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 19:05:11,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:05:11,306 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 19:05:11,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-12-13 19:05:11,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-13 19:05:11,507 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:05:11,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:05:11,507 INFO L85 PathProgramCache]: Analyzing trace with hash 553068741, now seen corresponding path program 1 times [2022-12-13 19:05:11,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:05:11,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331571436] [2022-12-13 19:05:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:05:11,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:05:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:05:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:05:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:05:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:05:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:05:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:05:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:05:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:05:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:05:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 19:05:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:05:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:05:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 19:05:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:05:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 19:05:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 19:05:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-13 19:05:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:05:13,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331571436] [2022-12-13 19:05:13,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331571436] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:05:13,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69530798] [2022-12-13 19:05:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:05:13,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:05:13,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:05:13,501 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:05:13,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 19:05:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:15,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 84 conjunts are in the unsatisfiable core [2022-12-13 19:05:15,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:05:15,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 19:05:15,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 19:05:16,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-12-13 19:05:16,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-12-13 19:05:16,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 19:05:16,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-12-13 19:05:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-13 19:05:16,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:05:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-13 19:05:17,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69530798] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 19:05:17,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:05:17,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21, 17] total 35 [2022-12-13 19:05:17,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097182596] [2022-12-13 19:05:17,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:05:17,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:05:17,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:05:17,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:05:17,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1064, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 19:05:17,297 INFO L87 Difference]: Start difference. First operand 16882 states and 21729 transitions. Second operand has 11 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-13 19:05:25,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:28,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:30,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:31,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:34,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:05:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:05:36,805 INFO L93 Difference]: Finished difference Result 44005 states and 57207 transitions. [2022-12-13 19:05:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:05:36,806 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 191 [2022-12-13 19:05:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:05:36,861 INFO L225 Difference]: With dead ends: 44005 [2022-12-13 19:05:36,861 INFO L226 Difference]: Without dead ends: 27121 [2022-12-13 19:05:36,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 398 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=1327, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 19:05:36,886 INFO L413 NwaCegarLoop]: 1017 mSDtfsCounter, 3633 mSDsluCounter, 4377 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 1235 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 4617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:05:36,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 5394 Invalid, 4617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1235 Valid, 3380 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-12-13 19:05:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27121 states. [2022-12-13 19:05:40,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27121 to 25096. [2022-12-13 19:05:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25096 states, 18945 states have (on average 1.2543151227236737) internal successors, (23763), 19392 states have internal predecessors, (23763), 3979 states have call successors, (3979), 1974 states have call predecessors, (3979), 2171 states have return successors, (4536), 3987 states have call predecessors, (4536), 3978 states have call successors, (4536) [2022-12-13 19:05:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25096 states to 25096 states and 32278 transitions. [2022-12-13 19:05:40,791 INFO L78 Accepts]: Start accepts. Automaton has 25096 states and 32278 transitions. Word has length 191 [2022-12-13 19:05:40,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:05:40,792 INFO L495 AbstractCegarLoop]: Abstraction has 25096 states and 32278 transitions. [2022-12-13 19:05:40,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-13 19:05:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 25096 states and 32278 transitions. [2022-12-13 19:05:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 19:05:40,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:05:40,803 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:05:40,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-12-13 19:05:41,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 19:05:41,006 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:05:41,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:05:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1886050570, now seen corresponding path program 3 times [2022-12-13 19:05:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:05:41,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172484374] [2022-12-13 19:05:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:05:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:05:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:05:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:05:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:05:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:05:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:05:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:05:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:05:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:05:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:05:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:05:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:05:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:05:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:05:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 19:05:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 19:05:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:05:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-13 19:05:43,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:05:43,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172484374] [2022-12-13 19:05:43,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172484374] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:05:43,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144291359] [2022-12-13 19:05:43,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:05:43,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:05:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:05:43,135 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:05:43,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 19:05:45,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 19:05:45,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:05:45,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-13 19:05:45,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:05:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 19:05:46,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:05:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-12-13 19:05:46,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144291359] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 19:05:46,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:05:46,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17, 16] total 39 [2022-12-13 19:05:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377816691] [2022-12-13 19:05:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:05:46,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:05:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:05:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:05:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1355, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 19:05:46,897 INFO L87 Difference]: Start difference. First operand 25096 states and 32278 transitions. Second operand has 11 states, 10 states have (on average 12.3) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:05:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:05:58,863 INFO L93 Difference]: Finished difference Result 63017 states and 81616 transitions. [2022-12-13 19:05:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:05:58,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 189 [2022-12-13 19:05:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:05:58,957 INFO L225 Difference]: With dead ends: 63017 [2022-12-13 19:05:58,957 INFO L226 Difference]: Without dead ends: 40265 [2022-12-13 19:05:58,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 19:05:58,996 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 5606 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 2266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5647 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 4662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2266 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:05:58,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5647 Valid, 4081 Invalid, 4662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2266 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 19:05:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40265 states. [2022-12-13 19:06:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40265 to 29043. [2022-12-13 19:06:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29043 states, 21929 states have (on average 1.2545943727484152) internal successors, (27512), 22445 states have internal predecessors, (27512), 4627 states have call successors, (4627), 2280 states have call predecessors, (4627), 2486 states have return successors, (5244), 4614 states have call predecessors, (5244), 4626 states have call successors, (5244) [2022-12-13 19:06:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29043 states to 29043 states and 37383 transitions. [2022-12-13 19:06:04,199 INFO L78 Accepts]: Start accepts. Automaton has 29043 states and 37383 transitions. Word has length 189 [2022-12-13 19:06:04,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:06:04,199 INFO L495 AbstractCegarLoop]: Abstraction has 29043 states and 37383 transitions. [2022-12-13 19:06:04,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:06:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29043 states and 37383 transitions. [2022-12-13 19:06:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-13 19:06:04,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:06:04,212 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:06:04,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 19:06:04,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:04,414 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:06:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:06:04,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1486411844, now seen corresponding path program 1 times [2022-12-13 19:06:04,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:06:04,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835876280] [2022-12-13 19:06:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:06:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:06:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:06:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:06:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:06:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:06:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:06:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:06:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:06:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:06:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 19:06:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 19:06:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 19:06:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 19:06:05,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:06:05,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835876280] [2022-12-13 19:06:05,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835876280] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:06:05,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617753369] [2022-12-13 19:06:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:06:05,097 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:06:05,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-13 19:06:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:06,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:06:06,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:06:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 19:06:06,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:06:06,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617753369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:06:06,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:06:06,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-12-13 19:06:06,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614707900] [2022-12-13 19:06:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:06:06,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:06:06,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:06:06,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:06:06,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:06:06,199 INFO L87 Difference]: Start difference. First operand 29043 states and 37383 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:06:12,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:06:12,815 INFO L93 Difference]: Finished difference Result 65541 states and 84534 transitions. [2022-12-13 19:06:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:06:12,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 190 [2022-12-13 19:06:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:06:12,888 INFO L225 Difference]: With dead ends: 65541 [2022-12-13 19:06:12,888 INFO L226 Difference]: Without dead ends: 36516 [2022-12-13 19:06:12,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:06:12,927 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 728 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:06:12,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 1698 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:06:12,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36516 states. [2022-12-13 19:06:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36516 to 34028. [2022-12-13 19:06:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34028 states, 25755 states have (on average 1.2684527276257038) internal successors, (32669), 26411 states have internal predecessors, (32669), 5285 states have call successors, (5285), 2738 states have call predecessors, (5285), 2987 states have return successors, (5982), 5261 states have call predecessors, (5982), 5284 states have call successors, (5982) [2022-12-13 19:06:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34028 states to 34028 states and 43936 transitions. [2022-12-13 19:06:18,911 INFO L78 Accepts]: Start accepts. Automaton has 34028 states and 43936 transitions. Word has length 190 [2022-12-13 19:06:18,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:06:18,911 INFO L495 AbstractCegarLoop]: Abstraction has 34028 states and 43936 transitions. [2022-12-13 19:06:18,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:06:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 34028 states and 43936 transitions. [2022-12-13 19:06:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-13 19:06:18,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:06:18,925 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:06:18,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-13 19:06:19,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:19,127 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:06:19,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:06:19,128 INFO L85 PathProgramCache]: Analyzing trace with hash 192025763, now seen corresponding path program 1 times [2022-12-13 19:06:19,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:06:19,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516870484] [2022-12-13 19:06:19,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:06:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:06:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:06:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:06:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:06:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:06:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:06:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 19:06:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:06:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:06:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 19:06:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 19:06:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 19:06:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 19:06:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-12-13 19:06:19,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:06:19,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516870484] [2022-12-13 19:06:19,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516870484] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:06:19,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048699914] [2022-12-13 19:06:19,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:19,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:06:19,769 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:06:19,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-13 19:06:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:20,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 3015 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:06:20,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:06:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-13 19:06:20,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:06:20,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048699914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:06:20,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:06:20,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2022-12-13 19:06:20,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531278168] [2022-12-13 19:06:20,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:06:20,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:06:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:06:20,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:06:20,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:06:20,988 INFO L87 Difference]: Start difference. First operand 34028 states and 43936 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-12-13 19:06:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:06:26,247 INFO L93 Difference]: Finished difference Result 60198 states and 77778 transitions. [2022-12-13 19:06:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:06:26,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 205 [2022-12-13 19:06:26,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:06:26,299 INFO L225 Difference]: With dead ends: 60198 [2022-12-13 19:06:26,300 INFO L226 Difference]: Without dead ends: 27141 [2022-12-13 19:06:26,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:06:26,337 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 952 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:06:26,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 1244 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:06:26,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27141 states. [2022-12-13 19:06:30,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27141 to 26896. [2022-12-13 19:06:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26896 states, 20554 states have (on average 1.26695533716065) internal successors, (26041), 21040 states have internal predecessors, (26041), 4024 states have call successors, (4024), 2121 states have call predecessors, (4024), 2317 states have return successors, (4565), 4018 states have call predecessors, (4565), 4023 states have call successors, (4565) [2022-12-13 19:06:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26896 states to 26896 states and 34630 transitions. [2022-12-13 19:06:30,942 INFO L78 Accepts]: Start accepts. Automaton has 26896 states and 34630 transitions. Word has length 205 [2022-12-13 19:06:30,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:06:30,943 INFO L495 AbstractCegarLoop]: Abstraction has 26896 states and 34630 transitions. [2022-12-13 19:06:30,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-12-13 19:06:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26896 states and 34630 transitions. [2022-12-13 19:06:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 19:06:30,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:06:30,959 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:30,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-12-13 19:06:31,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:31,161 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:06:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:06:31,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2130317563, now seen corresponding path program 1 times [2022-12-13 19:06:31,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:06:31,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422318743] [2022-12-13 19:06:31,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:06:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:06:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:06:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:06:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:06:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:06:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:06:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:06:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:06:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:06:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 19:06:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 19:06:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 19:06:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 19:06:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 19:06:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 19:06:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 19:06:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:06:31,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422318743] [2022-12-13 19:06:31,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422318743] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:06:31,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821630229] [2022-12-13 19:06:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:31,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:06:31,745 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:06:31,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-13 19:06:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:32,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:06:32,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:06:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 19:06:32,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:06:32,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821630229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:06:32,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:06:32,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-12-13 19:06:32,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426294955] [2022-12-13 19:06:32,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:06:32,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:06:32,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:06:32,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:06:32,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:06:32,842 INFO L87 Difference]: Start difference. First operand 26896 states and 34630 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 19:06:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:06:38,817 INFO L93 Difference]: Finished difference Result 60197 states and 79028 transitions. [2022-12-13 19:06:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:06:38,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 222 [2022-12-13 19:06:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:06:38,888 INFO L225 Difference]: With dead ends: 60197 [2022-12-13 19:06:38,888 INFO L226 Difference]: Without dead ends: 34900 [2022-12-13 19:06:38,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:06:38,967 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 228 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:06:38,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 2055 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:06:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34900 states. [2022-12-13 19:06:43,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34900 to 26936. [2022-12-13 19:06:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26936 states, 20594 states have (on average 1.2664368262600758) internal successors, (26081), 21080 states have internal predecessors, (26081), 4024 states have call successors, (4024), 2121 states have call predecessors, (4024), 2317 states have return successors, (4565), 4018 states have call predecessors, (4565), 4023 states have call successors, (4565) [2022-12-13 19:06:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26936 states to 26936 states and 34670 transitions. [2022-12-13 19:06:43,682 INFO L78 Accepts]: Start accepts. Automaton has 26936 states and 34670 transitions. Word has length 222 [2022-12-13 19:06:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:06:43,682 INFO L495 AbstractCegarLoop]: Abstraction has 26936 states and 34670 transitions. [2022-12-13 19:06:43,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 19:06:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 26936 states and 34670 transitions. [2022-12-13 19:06:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 19:06:43,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:06:43,698 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:43,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-12-13 19:06:43,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:06:43,899 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:06:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:06:43,899 INFO L85 PathProgramCache]: Analyzing trace with hash -255947299, now seen corresponding path program 1 times [2022-12-13 19:06:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:06:43,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570917543] [2022-12-13 19:06:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:06:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:06:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:06:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:06:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:06:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:06:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:06:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:06:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:06:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:06:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:06:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:06:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 19:06:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 19:06:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 19:06:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 19:06:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:06:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 19:06:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 19:06:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 19:06:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:06:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 19:06:45,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:06:45,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570917543] [2022-12-13 19:06:45,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570917543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:06:45,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:06:45,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 19:06:45,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248441247] [2022-12-13 19:06:45,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:06:45,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 19:06:45,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:06:45,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 19:06:45,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:06:45,117 INFO L87 Difference]: Start difference. First operand 26936 states and 34670 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 19:06:58,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:07:00,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:07:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:07:03,402 INFO L93 Difference]: Finished difference Result 68829 states and 94448 transitions. [2022-12-13 19:07:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 19:07:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-12-13 19:07:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:07:03,501 INFO L225 Difference]: With dead ends: 68829 [2022-12-13 19:07:03,501 INFO L226 Difference]: Without dead ends: 43492 [2022-12-13 19:07:03,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2022-12-13 19:07:03,538 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 843 mSDsluCounter, 5950 mSDsCounter, 0 mSdLazyCounter, 4244 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 4562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 4244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:07:03,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 6822 Invalid, 4562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 4244 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-12-13 19:07:03,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43492 states. [2022-12-13 19:07:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43492 to 27036. [2022-12-13 19:07:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27036 states, 20674 states have (on average 1.2654058237399632) internal successors, (26161), 21140 states have internal predecessors, (26161), 4024 states have call successors, (4024), 2121 states have call predecessors, (4024), 2337 states have return successors, (4585), 4058 states have call predecessors, (4585), 4023 states have call successors, (4585) [2022-12-13 19:07:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27036 states to 27036 states and 34770 transitions. [2022-12-13 19:07:08,903 INFO L78 Accepts]: Start accepts. Automaton has 27036 states and 34770 transitions. Word has length 225 [2022-12-13 19:07:08,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:07:08,904 INFO L495 AbstractCegarLoop]: Abstraction has 27036 states and 34770 transitions. [2022-12-13 19:07:08,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 19:07:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27036 states and 34770 transitions. [2022-12-13 19:07:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 19:07:08,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:07:08,921 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:07:08,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 19:07:08,921 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:07:08,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:07:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash 868098552, now seen corresponding path program 1 times [2022-12-13 19:07:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:07:08,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353826699] [2022-12-13 19:07:08,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:07:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:07:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:07:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:07:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:07:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 19:07:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:07:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:07:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 19:07:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 19:07:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:07:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 19:07:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:07:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 19:07:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 19:07:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 19:07:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 19:07:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:07:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-12-13 19:07:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:07:09,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353826699] [2022-12-13 19:07:09,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353826699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:07:09,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:07:09,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 19:07:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83243242] [2022-12-13 19:07:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:07:09,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 19:07:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:07:09,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 19:07:09,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:07:09,421 INFO L87 Difference]: Start difference. First operand 27036 states and 34770 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 19:07:28,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:07:28,080 INFO L93 Difference]: Finished difference Result 97155 states and 134887 transitions. [2022-12-13 19:07:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 19:07:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 234 [2022-12-13 19:07:28,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:07:28,253 INFO L225 Difference]: With dead ends: 97155 [2022-12-13 19:07:28,253 INFO L226 Difference]: Without dead ends: 70137 [2022-12-13 19:07:28,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2022-12-13 19:07:28,303 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 4757 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 2837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 5704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2837 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:07:28,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4868 Valid, 3657 Invalid, 5704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2837 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 19:07:28,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70137 states. [2022-12-13 19:07:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70137 to 27104. [2022-12-13 19:07:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27104 states, 20742 states have (on average 1.2645357246167197) internal successors, (26229), 21208 states have internal predecessors, (26229), 4024 states have call successors, (4024), 2121 states have call predecessors, (4024), 2337 states have return successors, (4585), 4058 states have call predecessors, (4585), 4023 states have call successors, (4585) [2022-12-13 19:07:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27104 states to 27104 states and 34838 transitions. [2022-12-13 19:07:34,537 INFO L78 Accepts]: Start accepts. Automaton has 27104 states and 34838 transitions. Word has length 234 [2022-12-13 19:07:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:07:34,538 INFO L495 AbstractCegarLoop]: Abstraction has 27104 states and 34838 transitions. [2022-12-13 19:07:34,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 19:07:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 27104 states and 34838 transitions. [2022-12-13 19:07:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 19:07:34,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:07:34,556 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:34,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 19:07:34,556 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:07:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:07:34,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1716904187, now seen corresponding path program 1 times [2022-12-13 19:07:34,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:07:34,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017894287] [2022-12-13 19:07:34,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:07:34,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:07:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:07:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:07:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:07:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:07:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 19:07:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 19:07:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:07:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:07:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 19:07:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:07:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 19:07:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 19:07:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 19:07:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 19:07:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:07:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 19:07:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-12-13 19:07:34,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:07:34,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017894287] [2022-12-13 19:07:34,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017894287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:07:34,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:07:34,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 19:07:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447794036] [2022-12-13 19:07:34,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:07:34,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:07:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:07:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:07:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:07:34,930 INFO L87 Difference]: Start difference. First operand 27104 states and 34838 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 19:07:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:07:48,146 INFO L93 Difference]: Finished difference Result 63086 states and 86244 transitions. [2022-12-13 19:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:07:48,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 237 [2022-12-13 19:07:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:07:48,229 INFO L225 Difference]: With dead ends: 63086 [2022-12-13 19:07:48,229 INFO L226 Difference]: Without dead ends: 35999 [2022-12-13 19:07:48,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:07:48,267 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1612 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:07:48,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 2416 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 19:07:48,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35999 states. [2022-12-13 19:07:53,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35999 to 22789. [2022-12-13 19:07:53,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22789 states, 17367 states have (on average 1.2706857833822767) internal successors, (22068), 17793 states have internal predecessors, (22068), 3438 states have call successors, (3438), 1788 states have call predecessors, (3438), 1983 states have return successors, (3929), 3465 states have call predecessors, (3929), 3437 states have call successors, (3929) [2022-12-13 19:07:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22789 states to 22789 states and 29435 transitions. [2022-12-13 19:07:53,355 INFO L78 Accepts]: Start accepts. Automaton has 22789 states and 29435 transitions. Word has length 237 [2022-12-13 19:07:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:07:53,355 INFO L495 AbstractCegarLoop]: Abstraction has 22789 states and 29435 transitions. [2022-12-13 19:07:53,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (21), 8 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 19:07:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 22789 states and 29435 transitions. [2022-12-13 19:07:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 19:07:53,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:07:53,369 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:07:53,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 19:07:53,369 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:07:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:07:53,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1186318086, now seen corresponding path program 1 times [2022-12-13 19:07:53,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:07:53,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93954885] [2022-12-13 19:07:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:07:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:07:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:07:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:07:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 19:07:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 19:07:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 19:07:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 19:07:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 19:07:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 19:07:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:07:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:07:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 19:07:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 19:07:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 19:07:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 19:07:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:07:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 19:07:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 19:07:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 19:07:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 19:07:55,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:07:55,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93954885] [2022-12-13 19:07:55,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93954885] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:07:55,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778966877] [2022-12-13 19:07:55,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:07:55,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:07:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:07:55,776 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:07:55,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-12-13 19:07:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:07:57,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 3153 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 19:07:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:07:57,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-12-13 19:07:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 19:07:58,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:07:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 19:07:58,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778966877] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:07:58,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:07:58,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 38 [2022-12-13 19:07:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303130475] [2022-12-13 19:07:58,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:07:58,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-12-13 19:07:58,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:07:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-12-13 19:07:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1178, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 19:07:58,792 INFO L87 Difference]: Start difference. First operand 22789 states and 29435 transitions. Second operand has 38 states, 38 states have (on average 5.7368421052631575) internal successors, (218), 32 states have internal predecessors, (218), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 19:08:17,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:08:17,563 INFO L93 Difference]: Finished difference Result 53424 states and 72935 transitions. [2022-12-13 19:08:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 19:08:17,564 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 5.7368421052631575) internal successors, (218), 32 states have internal predecessors, (218), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 231 [2022-12-13 19:08:17,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:08:17,634 INFO L225 Difference]: With dead ends: 53424 [2022-12-13 19:08:17,634 INFO L226 Difference]: Without dead ends: 30697 [2022-12-13 19:08:17,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2022-12-13 19:08:17,667 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 656 mSDsluCounter, 8752 mSDsCounter, 0 mSdLazyCounter, 7437 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 9345 SdHoareTripleChecker+Invalid, 7760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 7437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:08:17,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 9345 Invalid, 7760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [323 Valid, 7437 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-12-13 19:08:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30697 states. [2022-12-13 19:08:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30697 to 22897. [2022-12-13 19:08:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22897 states, 17475 states have (on average 1.2690128755364807) internal successors, (22176), 17901 states have internal predecessors, (22176), 3438 states have call successors, (3438), 1788 states have call predecessors, (3438), 1983 states have return successors, (3929), 3465 states have call predecessors, (3929), 3437 states have call successors, (3929) [2022-12-13 19:08:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22897 states to 22897 states and 29543 transitions. [2022-12-13 19:08:22,755 INFO L78 Accepts]: Start accepts. Automaton has 22897 states and 29543 transitions. Word has length 231 [2022-12-13 19:08:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:08:22,755 INFO L495 AbstractCegarLoop]: Abstraction has 22897 states and 29543 transitions. [2022-12-13 19:08:22,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.7368421052631575) internal successors, (218), 32 states have internal predecessors, (218), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 19:08:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 22897 states and 29543 transitions. [2022-12-13 19:08:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-13 19:08:22,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:08:22,769 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:22,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-12-13 19:08:22,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-12-13 19:08:22,971 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:08:22,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:22,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1759747142, now seen corresponding path program 2 times [2022-12-13 19:08:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:22,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524983300] [2022-12-13 19:08:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:08:24,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:08:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:08:25,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:08:25,361 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:08:25,362 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:08:25,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 19:08:25,366 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:25,368 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:08:25,404 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,404 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,405 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,406 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,407 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,408 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,409 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,410 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,411 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,412 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,413 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,414 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,415 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,416 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,417 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,418 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,419 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,420 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,421 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,422 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,423 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-13 19:08:25,424 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled [2022-12-13 19:08:25,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:08:25 BoogieIcfgContainer [2022-12-13 19:08:25,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:08:25,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:08:25,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:08:25,538 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:08:25,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:02:16" (3/4) ... [2022-12-13 19:08:25,541 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:08:25,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:08:25,542 INFO L158 Benchmark]: Toolchain (without parser) took 373628.46ms. Allocated memory was 115.3MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 66.2MB in the beginning and 777.2MB in the end (delta: -710.9MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 88.2MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.25ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 66.2MB in the beginning and 115.0MB in the end (delta: -48.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.30ms. Allocated memory is still 205.5MB. Free memory was 115.0MB in the beginning and 102.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: Boogie Preprocessor took 80.16ms. Allocated memory is still 205.5MB. Free memory was 102.5MB in the beginning and 88.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: RCFGBuilder took 2694.43ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 88.8MB in the beginning and 63.9MB in the end (delta: 24.9MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-12-13 19:08:25,542 INFO L158 Benchmark]: TraceAbstraction took 369299.35ms. Allocated memory was 247.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 62.9MB in the beginning and 777.2MB in the end (delta: -714.3MB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2022-12-13 19:08:25,543 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 3.2GB. Free memory is still 777.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:08:25,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 88.2MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.25ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 66.2MB in the beginning and 115.0MB in the end (delta: -48.8MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.30ms. Allocated memory is still 205.5MB. Free memory was 115.0MB in the beginning and 102.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.16ms. Allocated memory is still 205.5MB. Free memory was 102.5MB in the beginning and 88.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2694.43ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 88.8MB in the beginning and 63.9MB in the end (delta: 24.9MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * TraceAbstraction took 369299.35ms. Allocated memory was 247.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 62.9MB in the beginning and 777.2MB in the end (delta: -714.3MB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 3.2GB. Free memory is still 777.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem445#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5673]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 6275. Possible FailurePath: [L5696] int LDV_IN_INTERRUPT = 1; [L5697] struct usb_interface *ems_usb_driver_group1 ; [L5698] int ldv_state_variable_2 ; [L5699] struct net_device *ems_usb_netdev_ops_group1 ; [L5700] int ref_cnt ; [L5701] int ldv_state_variable_1 ; [L5702] int usb_counter ; [L5703] int ldv_state_variable_0 ; [L5884-L5886] static struct usb_device_id ems_usb_table[2U] = { {3U, 4822U, 1092U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L5887] struct usb_device_id const __mod_usb_device_table ; [L6540-L6543] static struct net_device_ops const ems_usb_netdev_ops = {0, 0, & ems_usb_open, & ems_usb_close, & ems_usb_start_xmit, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6544-L6545] static struct can_bittiming_const const ems_usb_bittiming_const = {{'e', 'm', 's', '_', 'u', 's', 'b', '\000'}, 1U, 16U, 1U, 8U, 4U, 1U, 64U, 1U}; [L6733-L6738] static struct usb_driver ems_usb_driver = {"ems_usb", & ems_usb_probe, & ems_usb_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& ems_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L6754] int ldv_retval_2 ; [L6755] int ldv_retval_0 ; [L6759] int ldv_retval_1 ; [L6761] int ldv_retval_3 ; [L7115] int INTERF_STATE = 0; [L7116] int SERIAL_STATE = 0; [L7117] void *usb_intfdata = 0; [L7118] struct urb *usb_urb = 0; [L7119] struct usb_device *usb_dev = 0; [L7120] int dev_counter = 0; [L7121] int completeFnIntCounter = 0; [L7122] int completeFnBulkCounter = 0; [L7123] void (*completeFnInt)(struct urb * ) ; [L7124] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6782] struct usb_device_id *ldvarg0 ; [L6783] void *tmp ; [L6784] struct sk_buff *ldvarg1 ; [L6785] void *tmp___0 ; [L6786] int tmp___1 ; [L6787] int tmp___2 ; [L6788] int tmp___3 ; [L6789] int tmp___4 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6791] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5638] void *p ; [L5639] void *tmp ; [L5640] int tmp___0 ; [L5642] tmp___0 = __VERIFIER_nondet_int() [L5643] COND TRUE tmp___0 != 0 [L5644] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6791] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6791] tmp = ldv_zalloc(32UL) [L6792] ldvarg0 = (struct usb_device_id *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6793] CALL, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5638] void *p ; [L5639] void *tmp ; [L5640] int tmp___0 ; [L5642] tmp___0 = __VERIFIER_nondet_int() [L5643] COND TRUE tmp___0 != 0 [L5644] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=240, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, size=240, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6793] RET, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(240UL)={0:0}, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6793] tmp___0 = ldv_zalloc(240UL) [L6794] ldvarg1 = (struct sk_buff *)tmp___0 [L6795] FCALL ldv_initialize() [L6796] ldv_state_variable_1 = 0 [L6797] ref_cnt = 0 [L6798] ldv_state_variable_0 = 1 [L6799] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6801] tmp___1 = __VERIFIER_nondet_int() [L6803] case 0: [L6833] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6834] COND TRUE ldv_state_variable_0 != 0 [L6835] tmp___3 = __VERIFIER_nondet_int() [L6837] case 0: [L6845] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6846] COND TRUE ldv_state_variable_0 == 1 [L6847] CALL, EXPR ems_usb_driver_init() [L6741] int tmp ; [L6743] CALL, EXPR ldv_usb_register_driver_23(& ems_usb_driver, & __this_module, "ems_usb") [L7087] ldv_func_ret_type ldv_func_res ; [L7088] int tmp ; [L7090] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7474] return __VERIFIER_nondet_int(); [L7090] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7090] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7091] ldv_func_res = tmp [L7092] ldv_state_variable_1 = 1 [L7093] usb_counter = 0 [L7094] CALL ldv_usb_driver_1() [L6764] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6766] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5638] void *p ; [L5639] void *tmp ; [L5640] int tmp___0 ; [L5642] tmp___0 = __VERIFIER_nondet_int() [L5643] COND TRUE tmp___0 != 0 [L5644] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6766] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6766] tmp = ldv_zalloc(1520UL) [L6767] ems_usb_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7094] RET ldv_usb_driver_1() [L7095] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, ldv_func_arg1={36:0}, ldv_func_arg1={36:0}, ldv_func_arg2={3221225702:3221225795}, ldv_func_arg2={3221225702:3221225795}, ldv_func_arg3={32:0}, ldv_func_arg3={32:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6743] RET, EXPR ldv_usb_register_driver_23(& ems_usb_driver, & __this_module, "ems_usb") [L6743] tmp = ldv_usb_register_driver_23(& ems_usb_driver, & __this_module, "ems_usb") [L6744] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6847] RET, EXPR ems_usb_driver_init() [L6847] ldv_retval_1 = ems_usb_driver_init() [L6848] COND TRUE ldv_retval_1 == 0 [L6849] ldv_state_variable_0 = 3 [L6850] ldv_state_variable_2 = 1 [L6851] CALL ldv_net_device_ops_2() [L6773] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6775] CALL, EXPR ldv_zalloc(3136UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5638] void *p ; [L5639] void *tmp ; [L5640] int tmp___0 ; [L5642] tmp___0 = __VERIFIER_nondet_int() [L5643] COND TRUE tmp___0 != 0 [L5644] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=3136, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, size=3136, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6775] RET, EXPR ldv_zalloc(3136UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(3136UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6775] tmp = ldv_zalloc(3136UL) [L6776] ems_usb_netdev_ops_group1 = (struct net_device *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6851] RET ldv_net_device_ops_2() [L6854] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6801] tmp___1 = __VERIFIER_nondet_int() [L6803] case 0: [L6833] case 1: [L6869] case 2: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6870] COND TRUE ldv_state_variable_2 != 0 [L6871] tmp___4 = __VERIFIER_nondet_int() [L6873] case 0: [L6880] case 1: [L6890] case 2: [L6897] case 3: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=3, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6898] COND TRUE ldv_state_variable_2 == 1 [L6899] CALL, EXPR ldv_ndo_init_2() [L7409] return __VERIFIER_nondet_int(); [L6899] RET, EXPR ldv_ndo_init_2() [L6899] ldv_retval_2 = ldv_ndo_init_2() [L6900] COND TRUE ldv_retval_2 == 0 [L6901] ldv_state_variable_2 = 2 [L6902] usb_counter = usb_counter + 1 [L6903] ref_cnt = ref_cnt + 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=3, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6801] tmp___1 = __VERIFIER_nondet_int() [L6803] case 0: [L6833] case 1: [L6869] case 2: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=3, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6870] COND TRUE ldv_state_variable_2 != 0 [L6871] tmp___4 = __VERIFIER_nondet_int() [L6873] case 0: [L6880] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=1, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6881] COND TRUE ldv_state_variable_2 == 2 [L6882] CALL, EXPR ems_usb_open(ems_usb_netdev_ops_group1) [L6362] struct ems_usb *dev ; [L6363] void *tmp ; [L6364] int err ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6366] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:0}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5718] return ((void *)dev + 3136U); VAL [={0:0}, ={0:0}, \result={0:3136}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:0}, dev={0:0}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6366] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, netdev_priv((struct net_device const *)netdev)={0:3136}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6366] tmp = netdev_priv((struct net_device const *)netdev) [L6367] dev = (struct ems_usb *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6368] CALL, EXPR ems_usb_write_mode(dev, 1) VAL [={0:0}, ={0:0}, \old(mode)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6217] int tmp ; [L6219] dev->active_params.msg.can_params.cc_params.sja1000.mode = mode VAL [={0:0}, ={0:0}, \old(mode)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mode=1, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6220] CALL, EXPR ems_usb_command_msg(dev, & dev->active_params) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, msg={0:4040}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6200] int actual_length ; [L6201] size_t __len ; [L6202] void *__ret ; [L6203] unsigned int tmp ; [L6204] int tmp___0 ; [L6206] EXPR msg->length [L6206] __len = (size_t )((int )msg->length + 11) [L6207] EXPR dev->tx_msg_buffer [L6207] EXPR, FCALL memcpy((void *)dev->tx_msg_buffer + 4U, (void const *)msg, __len) [L6207] __ret = memcpy((void *)dev->tx_msg_buffer + 4U, (void const *)msg, __len) [L6208] EXPR dev->tx_msg_buffer [L6208] FCALL memset((void *)dev->tx_msg_buffer, 0, 4UL) [L6209] EXPR dev->udev VAL [={0:0}, ={0:0}, __len=11, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __ret={0:4024}, __this_module={3221225702:3221225795}, actual_length={37:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225789:3221225735}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, msg={0:4040}, msg={0:4040}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6209] CALL, EXPR __create_pipe(dev->udev, 2U) VAL [={0:0}, ={0:0}, \old(endpoint)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={3221225789:3221225735}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5576] EXPR dev->devnum [L5576] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6209] RET, EXPR __create_pipe(dev->udev, 2U) VAL [={0:0}, ={0:0}, __create_pipe(dev->udev, 2U)=65536, __len=11, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __ret={0:4024}, __this_module={3221225702:3221225795}, actual_length={37:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225789:3221225735}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, msg={0:4040}, msg={0:4040}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6209] tmp = __create_pipe(dev->udev, 2U) [L6210] EXPR dev->udev [L6210] EXPR dev->tx_msg_buffer [L6211] EXPR msg->length [L6210-L6211] CALL, EXPR usb_bulk_msg(dev->udev, tmp | 3221225472U, (void *)dev->tx_msg_buffer, (int )msg->length + 15, & actual_length, 1000) [L7461] return __VERIFIER_nondet_int(); [L6210-L6211] RET, EXPR usb_bulk_msg(dev->udev, tmp | 3221225472U, (void *)dev->tx_msg_buffer, (int )msg->length + 15, & actual_length, 1000) [L6210-L6211] tmp___0 = usb_bulk_msg(dev->udev, tmp | 3221225472U, (void *)dev->tx_msg_buffer, (int )msg->length + 15, & actual_length, 1000) [L6212] return (tmp___0); [L6212] return (tmp___0); VAL [={0:0}, ={0:0}, \result=0, __len=11, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __ret={0:4024}, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, msg={0:4040}, msg={0:4040}, ref_cnt=1, SERIAL_STATE=0, tmp=65536, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6220] RET, EXPR ems_usb_command_msg(dev, & dev->active_params) VAL [={0:0}, ={0:0}, \old(mode)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_command_msg(dev, & dev->active_params)=0, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mode=1, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6220] tmp = ems_usb_command_msg(dev, & dev->active_params) [L6221] return (tmp); VAL [={0:0}, ={0:0}, \old(mode)=1, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mode=1, ref_cnt=1, SERIAL_STATE=0, tmp=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6368] RET, EXPR ems_usb_write_mode(dev, 1) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, ems_usb_write_mode(dev, 1)=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6368] err = ems_usb_write_mode(dev, 1) [L6369] COND FALSE !(err != 0) [L6373] CALL, EXPR open_candev(netdev) [L7440] return __VERIFIER_nondet_int(); [L6373] RET, EXPR open_candev(netdev) [L6373] err = open_candev(netdev) [L6374] COND FALSE !(err != 0) [L6378] CALL, EXPR ems_usb_start(dev) [L6239] struct net_device *netdev ; [L6240] int err ; [L6241] int i ; [L6242] struct urb *urb ; [L6243] u8 *buf ; [L6244] void *tmp ; [L6245] unsigned int tmp___0 ; [L6246] unsigned int tmp___1 ; [L6248] EXPR dev->netdev [L6248] netdev = dev->netdev [L6249] EXPR dev->intr_in_buffer [L6249] *(dev->intr_in_buffer) = 0U [L6250] dev->free_slots = 15U [L6251] i = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6287] COND TRUE i <= 9 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6254] urb = (struct urb *)0 [L6255] buf = (u8 *)0U [L6256] CALL, EXPR ldv_usb_alloc_urb_5(0, 208U) [L6971] struct urb *tmp ; VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mem_flags=208, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6973] CALL, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7147] struct urb *value ; [L7148] void *tmp ; [L7149] int tmp___0 ; VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7151] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5621] void *p ; [L5622] void *tmp ; [L5623] int tmp___0 ; [L5625] tmp___0 = __VERIFIER_nondet_int() [L5626] COND FALSE !(tmp___0 != 0) [L5629] tmp = malloc(size) [L5630] p = tmp VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551617:0}, ref_cnt=1, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5631] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5617] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5631] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551617:0}, ref_cnt=1, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5632] return (p); VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551617:0}, ref_cnt=1, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7151] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7151] tmp = ldv_malloc(sizeof(struct urb)) [L7152] value = tmp VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, value={-18446744073709551617:0}] [L7153] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5655] int tmp ; [L5657] tmp = __VERIFIER_nondet_int() [L5658] return (tmp); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result=38, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp=38, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7153] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_undef_int()=38, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, value={-18446744073709551617:0}] [L7153] tmp___0 = ldv_undef_int() [L7154] COND TRUE \read(tmp___0) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=38, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, value={-18446744073709551617:0}] [L7155] COND TRUE (unsigned long )value != (unsigned long )((struct urb *)0) [L7156] usb_urb = value VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=38, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}, value={-18446744073709551617:0}] [L7161] return (usb_urb); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=38, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}, value={-18446744073709551617:0}] [L6973] RET, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, iso_packets=0, ldv_alloc_urb()={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mem_flags=208, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6973] tmp = ldv_alloc_urb() [L6974] return (tmp); VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, mem_flags=208, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6256] RET, EXPR ldv_usb_alloc_urb_5(0, 208U) [L6256] urb = ldv_usb_alloc_urb_5(0, 208U) [L6257] COND FALSE !((unsigned long )urb == (unsigned long )((struct urb *)0)) [L6263] EXPR dev->udev VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6263] CALL, EXPR usb_alloc_coherent(dev->udev, 64UL, 208U, & urb->transfer_dma) VAL [={0:0}, ={0:0}, \old(arg1)=64, \old(arg2)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, arg0={3221225651:3221225718}, arg3={-18446744073709551617:104}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7454] CALL, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5621] void *p ; [L5622] void *tmp ; [L5623] int tmp___0 ; [L5625] tmp___0 = __VERIFIER_nondet_int() [L5626] COND FALSE !(tmp___0 != 0) [L5629] tmp = malloc(size) [L5630] p = tmp VAL [={0:0}, ={0:0}, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551615:0}, ref_cnt=1, SERIAL_STATE=0, size=0, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5631] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5617] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5631] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551615:0}, ref_cnt=1, SERIAL_STATE=0, size=0, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5632] return (p); VAL [={0:0}, ={0:0}, \old(size)=0, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, p={-18446744073709551615:0}, ref_cnt=1, SERIAL_STATE=0, size=0, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7454] RET, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(arg1)=64, \old(arg2)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, arg0={3221225651:3221225718}, arg0={3221225651:3221225718}, arg1=64, arg2=208, arg3={-18446744073709551617:104}, arg3={-18446744073709551617:104}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7454] return ldv_malloc(0UL); [L6263] RET, EXPR usb_alloc_coherent(dev->udev, 64UL, 208U, & urb->transfer_dma) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, usb_alloc_coherent(dev->udev, 64UL, 208U, & urb->transfer_dma)={-18446744073709551615:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6263] tmp = usb_alloc_coherent(dev->udev, 64UL, 208U, & urb->transfer_dma) [L6264] buf = (u8 *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6265] COND FALSE !((unsigned long )buf == (unsigned long )((u8 *)0U)) [L6272] EXPR dev->udev VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6272] CALL, EXPR __create_pipe(dev->udev, 2U) VAL [={0:0}, ={0:0}, \old(endpoint)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5576] EXPR dev->devnum [L5576] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6272] RET, EXPR __create_pipe(dev->udev, 2U) VAL [={0:0}, ={0:0}, __create_pipe(dev->udev, 2U)=65536, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6272] tmp___0 = __create_pipe(dev->udev, 2U) [L6273] EXPR dev->udev VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6273-L6274] CALL ldv_usb_fill_bulk_urb_3(urb, dev->udev, tmp___0 | 3221225600U, (void *)buf, 64, & ems_usb_read_bulk_callback, (void *)dev) VAL [={0:0}, ={0:0}, \old()={0:0}, \old(completeFnBulkCounter)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6957] CALL ldv_fill_bulk_urb(urb, complete_fn) [L7188] COND TRUE (unsigned long )usb_urb == (unsigned long )urb [L7189] completeFnBulk = complete_fn [L7190] completeFnBulkCounter = completeFnBulkCounter + 1 VAL [={-1:0}, ={0:0}, \old()={0:0}, \old(completeFnBulkCounter)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, complete_fn={-1:0}, complete_fn={-1:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6957] RET ldv_fill_bulk_urb(urb, complete_fn) [L6273-L6274] RET ldv_usb_fill_bulk_urb_3(urb, dev->udev, tmp___0 | 3221225600U, (void *)buf, 64, & ems_usb_read_bulk_callback, (void *)dev) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6275] EXPR urb->transfer_flags [L6275] urb->transfer_flags = urb->transfer_flags | 4U [L6276] FCALL usb_anchor_urb(urb, & dev->rx_submitted) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6277] CALL, EXPR ldv_usb_submit_urb_8(urb, 208U) [L6986] int tmp ; VAL [={-1:0}, ={0:0}, \old(ldv_func_arg2)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg2=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6988] CALL, EXPR ldv_submit_urb(ldv_func_arg1) VAL [={-1:0}, ={0:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7198] int res ; [L7199] int tmp ; VAL [={0:0}, ={-1:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7201] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={-1:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5655] int tmp ; [L5657] tmp = __VERIFIER_nondet_int() [L5658] return (tmp); VAL [={-1:0}, ={0:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, \result=-4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp=-4, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7201] RET, EXPR ldv_undef_int() VAL [={0:0}, ={-1:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_undef_int()=-4, ref_cnt=1, SERIAL_STATE=0, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7201] tmp = ldv_undef_int() [L7202] res = tmp VAL [={-1:0}, ={0:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, res=-4, SERIAL_STATE=0, tmp=-4, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7203] COND TRUE res <= 0 VAL [={0:0}, ={-1:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, res=-4, SERIAL_STATE=0, tmp=-4, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7207] COND FALSE !(res == 0) VAL [={0:0}, ={-1:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, res=-4, SERIAL_STATE=0, tmp=-4, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7223] return (res); VAL [={-1:0}, ={0:0}, \old()={-1:0}, \old(completeFnBulkCounter)=1, \old(completeFnIntCounter)=0, \old(usb_intfdata)={0:0}, \old(usb_urb)={-18446744073709551617:0}, \result=-4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, res=-4, SERIAL_STATE=0, tmp=-4, urb={-18446744073709551617:0}, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6988] RET, EXPR ldv_submit_urb(ldv_func_arg1) VAL [={-1:0}, ={0:0}, \old(ldv_func_arg2)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg2=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_submit_urb(ldv_func_arg1)=-4, ref_cnt=1, SERIAL_STATE=0, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6988] tmp = ldv_submit_urb(ldv_func_arg1) [L6989] return (tmp); VAL [={-1:0}, ={0:0}, \old(ldv_func_arg2)=208, \result=-4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg2=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ref_cnt=1, SERIAL_STATE=0, tmp=-4, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6277] RET, EXPR ldv_usb_submit_urb_8(urb, 208U) [L6277] err = ldv_usb_submit_urb_8(urb, 208U) [L6278] COND TRUE err != 0 VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6279] FCALL usb_unanchor_urb(urb) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6280] EXPR dev->udev [L6280] EXPR urb->transfer_dma VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, urb->transfer_dma=3221225729, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6280] FCALL usb_free_coherent(dev->udev, 64UL, (void *)buf, urb->transfer_dma) VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev->udev={3221225651:3221225718}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, urb->transfer_dma=3221225729, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6292] COND TRUE i == 0 [L6294] return (err); VAL [={0:0}, ={-1:0}, \result=-4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, buf={-18446744073709551615:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, i=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={3221225659:3221225713}, ref_cnt=1, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0=65536, urb={-18446744073709551617:0}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6378] RET, EXPR ems_usb_start(dev) [L6378] err = ems_usb_start(dev) [L6379] COND TRUE err != 0 VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6380] COND FALSE !(err == -19) VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6386] FCALL close_candev(netdev) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6387] return (err); VAL [={-1:0}, ={0:0}, \result=-4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev={0:3136}, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, err=-4, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, netdev={0:0}, netdev={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:3136}, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6882] RET, EXPR ems_usb_open(ems_usb_netdev_ops_group1) [L6882] ldv_retval_3 = ems_usb_open(ems_usb_netdev_ops_group1) [L6883] COND FALSE !(ldv_retval_3 == 0) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=1, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6801] tmp___1 = __VERIFIER_nondet_int() [L6803] case 0: [L6833] case 1: [L6869] case 2: VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=1, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6870] COND TRUE ldv_state_variable_2 != 0 [L6871] tmp___4 = __VERIFIER_nondet_int() [L6873] case 0: [L6880] case 1: [L6890] case 2: [L6897] case 3: [L6909] case 4: VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=1, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=4, usb_counter=1, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6910] COND TRUE ldv_state_variable_2 == 2 [L6911] CALL ldv_ndo_uninit_2() [L7413] return __VERIFIER_nondet_int(); [L6911] RET ldv_ndo_uninit_2() [L6912] ldv_state_variable_2 = 1 [L6913] usb_counter = usb_counter - 1 [L6914] ref_cnt = ref_cnt - 1 VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=4, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6801] tmp___1 = __VERIFIER_nondet_int() [L6803] case 0: [L6833] case 1: VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, tmp___4=4, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6834] COND TRUE ldv_state_variable_0 != 0 [L6835] tmp___3 = __VERIFIER_nondet_int() [L6837] case 0: VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=0, tmp___4=4, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6838] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6839] CALL ems_usb_driver_exit() [L6750] CALL ldv_usb_deregister_24(& ems_usb_driver) [L7101] FCALL usb_deregister(arg) [L7102] ldv_state_variable_1 = 0 VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, arg={36:0}, arg={36:0}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6750] RET ldv_usb_deregister_24(& ems_usb_driver) [L6839] RET ems_usb_driver_exit() [L6840] ldv_state_variable_0 = 2 VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=0, tmp___4=4, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L6931] CALL ldv_check_final_state() [L7334] COND FALSE !((unsigned long )usb_urb == (unsigned long )((struct urb *)0)) VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L7336] CALL ldv_error() VAL [={0:0}, ={-1:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] [L5673] reach_error() VAL [={-1:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={3221225702:3221225795}, completeFnBulkCounter=1, completeFnIntCounter=0, dev_counter=0, ems_usb_bittiming_const={35:0}, ems_usb_driver={36:0}, ems_usb_driver_group1={0:0}, ems_usb_netdev_ops={34:0}, ems_usb_netdev_ops_group1={0:0}, ems_usb_table={33:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=-4, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={-18446744073709551617:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 652 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 369.1s, OverallIterations: 38, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 243.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 48001 SdHoareTripleChecker+Valid, 143.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46653 mSDsluCounter, 151202 SdHoareTripleChecker+Invalid, 134.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118945 mSDsCounter, 19323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67563 IncrementalHoareTripleChecker+Invalid, 86890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19323 mSolverCounterUnsat, 32257 mSDtfsCounter, 67563 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6497 GetRequests, 5922 SyntacticMatches, 6 SemanticMatches, 569 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2856 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34028occurred in iteration=31, InterpolantAutomatonStates: 381, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 70.4s AutomataMinimizationTime, 37 MinimizatonAttempts, 148716 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 12.6s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 8990 NumberOfCodeBlocks, 8954 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 10420 ConstructedInterpolants, 11 QuantifiedInterpolants, 21091 SizeOfPredicates, 96 NumberOfNonLiveVariables, 42350 ConjunctsInSsa, 363 ConjunctsInUnsatCore, 67 InterpolantComputations, 30 PerfectInterpolantSequences, 6010/6381 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:08:25,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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 be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 --- 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 19:08:27,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:08:27,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:08:27,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:08:27,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:08:27,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:08:27,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:08:27,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:08:27,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:08:27,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:08:27,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:08:27,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:08:27,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:08:27,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:08:27,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:08:27,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:08:27,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:08:27,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:08:27,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:08:27,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:08:27,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:08:27,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:08:27,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:08:27,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:08:27,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:08:27,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:08:27,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:08:27,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:08:27,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:08:27,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:08:27,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:08:27,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:08:27,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:08:27,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:08:27,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:08:27,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:08:27,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:08:27,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:08:27,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:08:27,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:08:27,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:08:27,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 19:08:27,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:08:27,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:08:27,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:08:27,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:08:27,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:08:27,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:08:27,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:08:27,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:08:27,324 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:08:27,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:08:27,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:08:27,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:08:27,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:08:27,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:08:27,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:08:27,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:08:27,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:08:27,327 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:08:27,328 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:08:27,328 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be936ec9376452d086f72aa92ac4fe7deb233a068e40e0ed8f478fbc228d19b6 [2022-12-13 19:08:27,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:08:27,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:08:27,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:08:27,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:08:27,565 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:08:27,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:08:30,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:08:30,516 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:08:30,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:08:30,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/8e0e3dd72/9b3250de4ce34e7caa2ddb44cdfae4d6/FLAG0ca22472d [2022-12-13 19:08:30,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/data/8e0e3dd72/9b3250de4ce34e7caa2ddb44cdfae4d6 [2022-12-13 19:08:30,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:08:30,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:08:30,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:08:30,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:08:30,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:08:30,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:08:30" (1/1) ... [2022-12-13 19:08:30,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:30, skipping insertion in model container [2022-12-13 19:08:30,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:08:30" (1/1) ... [2022-12-13 19:08:30,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:08:30,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:08:31,003 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:08:31,004 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:08:31,097 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,128 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2022-12-13 19:08:31,167 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 19:08:31,168 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 19:08:31,175 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 19:08:31,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 19:08:31,211 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:08:31,242 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,243 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,244 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,247 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-12-13 19:08:31,251 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,255 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-12-13 19:08:31,256 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-12-13 19:08:31,263 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,267 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,269 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,271 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,271 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,275 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,276 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,277 WARN L623 FunctionHandler]: Unknown extern function can_get_echo_skb [2022-12-13 19:08:31,284 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:08:31,296 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,296 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,297 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,298 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,298 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,298 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,299 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,300 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,300 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,302 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,305 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 19:08:31,305 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,305 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,309 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-12-13 19:08:31,310 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,310 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,310 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,314 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,315 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,315 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,319 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,319 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,320 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,321 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,321 WARN L623 FunctionHandler]: Unknown extern function can_put_echo_skb [2022-12-13 19:08:31,321 WARN L623 FunctionHandler]: Unknown extern function can_free_echo_skb [2022-12-13 19:08:31,322 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,322 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,322 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,322 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,323 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,324 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,327 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,328 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,332 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,336 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,343 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-12-13 19:08:31,344 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,353 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,355 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,355 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-12-13 19:08:31,355 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,356 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,356 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,356 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,359 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 19:08:31,360 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,360 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,378 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:08:31,381 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 19:08:31,381 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 19:08:31,385 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:08:31,386 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:08:31,392 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,415 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,415 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,416 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,420 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:08:31,445 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 19:08:31,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:08:31,543 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:08:31,544 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:08:31,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,547 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2022-12-13 19:08:31,549 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 19:08:31,550 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 19:08:31,550 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 19:08:31,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 19:08:31,554 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:08:31,556 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,556 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,556 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,557 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-12-13 19:08:31,559 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,560 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-12-13 19:08:31,560 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-12-13 19:08:31,570 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,571 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,573 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,573 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,573 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,574 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,575 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,576 WARN L623 FunctionHandler]: Unknown extern function can_get_echo_skb [2022-12-13 19:08:31,577 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:08:31,579 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,580 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,580 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,581 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,581 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,581 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,582 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,582 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,583 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,584 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,584 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 19:08:31,585 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,585 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,586 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-12-13 19:08:31,586 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,586 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,586 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,588 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,590 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,590 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,591 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,592 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,592 WARN L623 FunctionHandler]: Unknown extern function can_put_echo_skb [2022-12-13 19:08:31,592 WARN L623 FunctionHandler]: Unknown extern function can_free_echo_skb [2022-12-13 19:08:31,592 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,593 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,593 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,593 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,593 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,594 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,595 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,595 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,596 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,598 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,600 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-12-13 19:08:31,600 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,601 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,602 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,603 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-12-13 19:08:31,603 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,603 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,603 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,604 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,604 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 19:08:31,604 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,607 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:08:31,609 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 19:08:31,609 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 19:08:31,612 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:08:31,612 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:08:31,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,618 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,618 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,618 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,620 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:08:31,629 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:08:31,702 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:08:31,702 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:08:31,703 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,705 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_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2022-12-13 19:08:31,707 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 19:08:31,707 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 19:08:31,708 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 19:08:31,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 19:08:31,710 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:08:31,712 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,713 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,713 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,713 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-12-13 19:08:31,715 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,716 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-12-13 19:08:31,716 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-12-13 19:08:31,719 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 19:08:31,721 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,722 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,723 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,723 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,735 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,736 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,736 WARN L623 FunctionHandler]: Unknown extern function can_get_echo_skb [2022-12-13 19:08:31,737 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:08:31,739 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,739 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,740 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,740 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,740 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,740 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,741 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,741 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,742 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,742 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,743 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 19:08:31,743 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,743 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:08:31,743 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-12-13 19:08:31,744 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,744 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,744 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,745 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,745 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 19:08:31,745 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,747 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,747 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,748 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,752 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:08:31,752 WARN L623 FunctionHandler]: Unknown extern function can_put_echo_skb [2022-12-13 19:08:31,752 WARN L623 FunctionHandler]: Unknown extern function can_free_echo_skb [2022-12-13 19:08:31,752 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:08:31,752 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 19:08:31,753 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,753 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 19:08:31,753 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,754 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 19:08:31,754 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,754 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-12-13 19:08:31,755 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 19:08:31,757 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 19:08:31,758 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-12-13 19:08:31,758 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,759 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:08:31,761 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,761 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-12-13 19:08:31,761 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 19:08:31,761 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,761 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,762 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,762 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 19:08:31,762 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-12-13 19:08:31,762 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:08:31,764 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:08:31,766 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 19:08:31,766 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 19:08:31,769 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:08:31,769 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:08:31,770 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,771 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,774 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,775 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:08:31,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:08:31,834 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:08:31,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31 WrapperNode [2022-12-13 19:08:31,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:08:31,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:08:31,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:08:31,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:08:31,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:31,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:31,938 INFO L138 Inliner]: procedures = 183, calls = 735, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 1940 [2022-12-13 19:08:31,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:08:31,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:08:31,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:08:31,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:08:31,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:31,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:31,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:31,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:08:32,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:08:32,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:08:32,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:08:32,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (1/1) ... [2022-12-13 19:08:32,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:08:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:08:32,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:08:32,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:08:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 19:08:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 19:08:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 19:08:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2022-12-13 19:08:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2022-12-13 19:08:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2022-12-13 19:08:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2022-12-13 19:08:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-12-13 19:08:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 19:08:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 19:08:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 19:08:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 19:08:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 19:08:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 19:08:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 19:08:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 19:08:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 19:08:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 19:08:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2022-12-13 19:08:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 19:08:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 19:08:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2022-12-13 19:08:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 19:08:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 19:08:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2022-12-13 19:08:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:08:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:08:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2022-12-13 19:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2022-12-13 19:08:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 19:08:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-12-13 19:08:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2022-12-13 19:08:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 19:08:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 19:08:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 19:08:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-12-13 19:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-12-13 19:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 19:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-12-13 19:08:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-12-13 19:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 19:08:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 19:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:08:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:08:32,494 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:08:32,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:08:34,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 19:08:44,882 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 19:08:53,736 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:08:53,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:08:53,744 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:08:53,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:08:53 BoogieIcfgContainer [2022-12-13 19:08:53,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:08:53,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:08:53,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:08:53,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:08:53,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:08:30" (1/3) ... [2022-12-13 19:08:53,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e070f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:08:53, skipping insertion in model container [2022-12-13 19:08:53,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:08:31" (2/3) ... [2022-12-13 19:08:53,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e070f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:08:53, skipping insertion in model container [2022-12-13 19:08:53,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:08:53" (3/3) ... [2022-12-13 19:08:53,751 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2022-12-13 19:08:53,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:08:53,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:08:53,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:08:53,809 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;@5ee13680, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:08:53,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:08:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 467 states have (on average 1.3340471092077089) internal successors, (623), 491 states have internal predecessors, (623), 135 states have call successors, (135), 48 states have call predecessors, (135), 46 states have return successors, (129), 124 states have call predecessors, (129), 129 states have call successors, (129) [2022-12-13 19:08:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 19:08:53,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:08:53,821 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:08:53,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:08:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:53,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1812059217, now seen corresponding path program 1 times [2022-12-13 19:08:53,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:08:53,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991530885] [2022-12-13 19:08:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:53,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:08:53,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:08:53,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:08:53,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 19:08:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:54,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:08:54,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:08:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:08:54,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:08:54,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:08:54,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991530885] [2022-12-13 19:08:54,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991530885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:54,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:54,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:08:54,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636405151] [2022-12-13 19:08:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:54,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:54,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:08:54,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:54,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:54,458 INFO L87 Difference]: Start difference. First operand has 650 states, 467 states have (on average 1.3340471092077089) internal successors, (623), 491 states have internal predecessors, (623), 135 states have call successors, (135), 48 states have call predecessors, (135), 46 states have return successors, (129), 124 states have call predecessors, (129), 129 states have call successors, (129) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:08:56,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:08:56,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:08:56,766 INFO L93 Difference]: Finished difference Result 1906 states and 2668 transitions. [2022-12-13 19:08:56,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:56,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-12-13 19:08:56,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:08:56,787 INFO L225 Difference]: With dead ends: 1906 [2022-12-13 19:08:56,787 INFO L226 Difference]: Without dead ends: 1237 [2022-12-13 19:08:56,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:56,796 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 833 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:08:56,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1866 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:08:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-12-13 19:08:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1237. [2022-12-13 19:08:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 897 states have (on average 1.3166109253065774) internal successors, (1181), 925 states have internal predecessors, (1181), 249 states have call successors, (249), 91 states have call predecessors, (249), 90 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2022-12-13 19:08:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1674 transitions. [2022-12-13 19:08:56,897 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1674 transitions. Word has length 28 [2022-12-13 19:08:56,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:08:56,898 INFO L495 AbstractCegarLoop]: Abstraction has 1237 states and 1674 transitions. [2022-12-13 19:08:56,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:08:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1674 transitions. [2022-12-13 19:08:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 19:08:56,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:08:56,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:56,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:08:57,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:08:57,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:08:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1492996642, now seen corresponding path program 1 times [2022-12-13 19:08:57,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:08:57,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96740531] [2022-12-13 19:08:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:57,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:08:57,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:08:57,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:08:57,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 19:08:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:57,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:08:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:08:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:08:58,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:08:58,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:08:58,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96740531] [2022-12-13 19:08:58,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96740531] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:58,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:58,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:58,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554289732] [2022-12-13 19:08:58,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:58,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:58,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:08:58,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:58,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:58,275 INFO L87 Difference]: Start difference. First operand 1237 states and 1674 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:08:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:08:58,565 INFO L93 Difference]: Finished difference Result 3696 states and 5107 transitions. [2022-12-13 19:08:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:58,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 19:08:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:08:58,581 INFO L225 Difference]: With dead ends: 3696 [2022-12-13 19:08:58,581 INFO L226 Difference]: Without dead ends: 2466 [2022-12-13 19:08:58,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:58,587 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 845 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:08:58,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1929 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:08:58,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2022-12-13 19:08:58,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 2456. [2022-12-13 19:08:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 1784 states have (on average 1.3150224215246638) internal successors, (2346), 1836 states have internal predecessors, (2346), 491 states have call successors, (491), 181 states have call predecessors, (491), 180 states have return successors, (530), 466 states have call predecessors, (530), 486 states have call successors, (530) [2022-12-13 19:08:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3367 transitions. [2022-12-13 19:08:58,718 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3367 transitions. Word has length 38 [2022-12-13 19:08:58,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:08:58,719 INFO L495 AbstractCegarLoop]: Abstraction has 2456 states and 3367 transitions. [2022-12-13 19:08:58,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:08:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3367 transitions. [2022-12-13 19:08:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 19:08:58,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:08:58,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:58,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 19:08:58,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:08:58,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:08:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:58,922 INFO L85 PathProgramCache]: Analyzing trace with hash 961431828, now seen corresponding path program 1 times [2022-12-13 19:08:58,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:08:58,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015250201] [2022-12-13 19:08:58,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:58,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:08:58,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:08:58,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:08:58,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 19:08:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:59,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:08:59,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:09:00,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:00,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:00,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015250201] [2022-12-13 19:09:00,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015250201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:00,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:00,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:00,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427031502] [2022-12-13 19:09:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:00,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:00,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:00,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:00,061 INFO L87 Difference]: Start difference. First operand 2456 states and 3367 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:00,165 INFO L93 Difference]: Finished difference Result 2458 states and 3368 transitions. [2022-12-13 19:09:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:00,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-12-13 19:09:00,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:00,173 INFO L225 Difference]: With dead ends: 2458 [2022-12-13 19:09:00,173 INFO L226 Difference]: Without dead ends: 2455 [2022-12-13 19:09:00,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:00,175 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 827 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:00,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 856 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-12-13 19:09:00,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2455. [2022-12-13 19:09:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 1784 states have (on average 1.3144618834080717) internal successors, (2345), 1835 states have internal predecessors, (2345), 490 states have call successors, (490), 181 states have call predecessors, (490), 180 states have return successors, (530), 466 states have call predecessors, (530), 486 states have call successors, (530) [2022-12-13 19:09:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 3365 transitions. [2022-12-13 19:09:00,311 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 3365 transitions. Word has length 39 [2022-12-13 19:09:00,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:00,311 INFO L495 AbstractCegarLoop]: Abstraction has 2455 states and 3365 transitions. [2022-12-13 19:09:00,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 3365 transitions. [2022-12-13 19:09:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 19:09:00,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:00,312 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:00,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 19:09:00,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:00,513 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:00,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:00,513 INFO L85 PathProgramCache]: Analyzing trace with hash -260692063, now seen corresponding path program 1 times [2022-12-13 19:09:00,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:00,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271037118] [2022-12-13 19:09:00,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:00,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:00,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:00,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 19:09:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:00,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:00,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:09:01,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:01,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:01,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271037118] [2022-12-13 19:09:01,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271037118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:01,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:01,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:01,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783060686] [2022-12-13 19:09:01,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:01,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:01,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:01,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:01,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:01,271 INFO L87 Difference]: Start difference. First operand 2455 states and 3365 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:01,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:01,417 INFO L93 Difference]: Finished difference Result 2457 states and 3366 transitions. [2022-12-13 19:09:01,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:01,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-12-13 19:09:01,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:01,424 INFO L225 Difference]: With dead ends: 2457 [2022-12-13 19:09:01,424 INFO L226 Difference]: Without dead ends: 2454 [2022-12-13 19:09:01,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:01,426 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 824 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:01,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 854 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:01,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2022-12-13 19:09:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2454. [2022-12-13 19:09:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 1784 states have (on average 1.3139013452914798) internal successors, (2344), 1834 states have internal predecessors, (2344), 489 states have call successors, (489), 181 states have call predecessors, (489), 180 states have return successors, (530), 466 states have call predecessors, (530), 486 states have call successors, (530) [2022-12-13 19:09:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3363 transitions. [2022-12-13 19:09:01,560 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3363 transitions. Word has length 40 [2022-12-13 19:09:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:01,560 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3363 transitions. [2022-12-13 19:09:01,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3363 transitions. [2022-12-13 19:09:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 19:09:01,561 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:01,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:01,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 19:09:01,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:01,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 508177847, now seen corresponding path program 1 times [2022-12-13 19:09:01,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:01,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167119420] [2022-12-13 19:09:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:01,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:01,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:01,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:01,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 19:09:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:02,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:02,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:09:02,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:02,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:02,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167119420] [2022-12-13 19:09:02,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167119420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:02,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:02,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:02,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793008556] [2022-12-13 19:09:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:02,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:02,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:02,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:02,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:02,496 INFO L87 Difference]: Start difference. First operand 2454 states and 3363 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:02,626 INFO L93 Difference]: Finished difference Result 2456 states and 3364 transitions. [2022-12-13 19:09:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2022-12-13 19:09:02,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:02,634 INFO L225 Difference]: With dead ends: 2456 [2022-12-13 19:09:02,634 INFO L226 Difference]: Without dead ends: 2453 [2022-12-13 19:09:02,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:02,635 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 821 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:02,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2453 states. [2022-12-13 19:09:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2453 to 2453. [2022-12-13 19:09:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 1784 states have (on average 1.313340807174888) internal successors, (2343), 1833 states have internal predecessors, (2343), 488 states have call successors, (488), 181 states have call predecessors, (488), 180 states have return successors, (530), 466 states have call predecessors, (530), 486 states have call successors, (530) [2022-12-13 19:09:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 3361 transitions. [2022-12-13 19:09:02,798 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 3361 transitions. Word has length 41 [2022-12-13 19:09:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:02,798 INFO L495 AbstractCegarLoop]: Abstraction has 2453 states and 3361 transitions. [2022-12-13 19:09:02,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 3361 transitions. [2022-12-13 19:09:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 19:09:02,799 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:02,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:02,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 19:09:03,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:03,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:03,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:03,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1426653852, now seen corresponding path program 1 times [2022-12-13 19:09:03,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:03,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499230407] [2022-12-13 19:09:03,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:03,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:03,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:03,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:03,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 19:09:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:03,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:03,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:09:03,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:03,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:03,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499230407] [2022-12-13 19:09:03,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499230407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:03,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:03,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:03,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037123266] [2022-12-13 19:09:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:03,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:03,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:03,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:03,788 INFO L87 Difference]: Start difference. First operand 2453 states and 3361 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:03,916 INFO L93 Difference]: Finished difference Result 2455 states and 3362 transitions. [2022-12-13 19:09:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:03,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 19:09:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:03,923 INFO L225 Difference]: With dead ends: 2455 [2022-12-13 19:09:03,924 INFO L226 Difference]: Without dead ends: 2443 [2022-12-13 19:09:03,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:03,925 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 818 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:03,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2022-12-13 19:09:04,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 2443. [2022-12-13 19:09:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 1775 states have (on average 1.3126760563380282) internal successors, (2330), 1823 states have internal predecessors, (2330), 487 states have call successors, (487), 181 states have call predecessors, (487), 180 states have return successors, (530), 466 states have call predecessors, (530), 486 states have call successors, (530) [2022-12-13 19:09:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3347 transitions. [2022-12-13 19:09:04,111 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3347 transitions. Word has length 42 [2022-12-13 19:09:04,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:04,111 INFO L495 AbstractCegarLoop]: Abstraction has 2443 states and 3347 transitions. [2022-12-13 19:09:04,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:09:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3347 transitions. [2022-12-13 19:09:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 19:09:04,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:04,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:04,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 19:09:04,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:04,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:04,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:04,314 INFO L85 PathProgramCache]: Analyzing trace with hash 299997510, now seen corresponding path program 1 times [2022-12-13 19:09:04,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:04,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314418862] [2022-12-13 19:09:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:04,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:04,316 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 19:09:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:04,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:04,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:09:04,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:04,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:04,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314418862] [2022-12-13 19:09:04,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314418862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:04,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:04,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:04,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147556550] [2022-12-13 19:09:04,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:04,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:04,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:04,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:04,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:04,922 INFO L87 Difference]: Start difference. First operand 2443 states and 3347 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 19:09:05,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:05,279 INFO L93 Difference]: Finished difference Result 5612 states and 7596 transitions. [2022-12-13 19:09:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:05,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2022-12-13 19:09:05,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:05,289 INFO L225 Difference]: With dead ends: 5612 [2022-12-13 19:09:05,289 INFO L226 Difference]: Without dead ends: 3176 [2022-12-13 19:09:05,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:05,294 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 242 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:05,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1737 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:09:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2022-12-13 19:09:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3168. [2022-12-13 19:09:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 2308 states have (on average 1.291161178509532) internal successors, (2980), 2356 states have internal predecessors, (2980), 608 states have call successors, (608), 252 states have call predecessors, (608), 251 states have return successors, (659), 587 states have call predecessors, (659), 607 states have call successors, (659) [2022-12-13 19:09:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4247 transitions. [2022-12-13 19:09:05,516 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4247 transitions. Word has length 85 [2022-12-13 19:09:05,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:05,517 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4247 transitions. [2022-12-13 19:09:05,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 19:09:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4247 transitions. [2022-12-13 19:09:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 19:09:05,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:05,519 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:05,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 19:09:05,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:05,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:05,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:05,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2060992627, now seen corresponding path program 1 times [2022-12-13 19:09:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:05,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351760415] [2022-12-13 19:09:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:05,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:05,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:05,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:05,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 19:09:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:06,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:06,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:09:06,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:06,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:06,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351760415] [2022-12-13 19:09:06,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351760415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:06,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:06,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:06,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033780369] [2022-12-13 19:09:06,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:06,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:06,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:06,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:06,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:06,567 INFO L87 Difference]: Start difference. First operand 3168 states and 4247 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 19:09:08,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:09,009 INFO L93 Difference]: Finished difference Result 7096 states and 9468 transitions. [2022-12-13 19:09:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:09,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 101 [2022-12-13 19:09:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:09,020 INFO L225 Difference]: With dead ends: 7096 [2022-12-13 19:09:09,020 INFO L226 Difference]: Without dead ends: 3942 [2022-12-13 19:09:09,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:09,025 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 246 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:09,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1899 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:09:09,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2022-12-13 19:09:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3934. [2022-12-13 19:09:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 2884 states have (on average 1.2801664355062414) internal successors, (3692), 2932 states have internal predecessors, (3692), 728 states have call successors, (728), 322 states have call predecessors, (728), 321 states have return successors, (787), 707 states have call predecessors, (787), 727 states have call successors, (787) [2022-12-13 19:09:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5207 transitions. [2022-12-13 19:09:09,317 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5207 transitions. Word has length 101 [2022-12-13 19:09:09,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:09,318 INFO L495 AbstractCegarLoop]: Abstraction has 3934 states and 5207 transitions. [2022-12-13 19:09:09,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 19:09:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5207 transitions. [2022-12-13 19:09:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 19:09:09,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:09,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-12-13 19:09:09,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 19:09:09,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:09,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:09,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1172898369, now seen corresponding path program 1 times [2022-12-13 19:09:09,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:09,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119306708] [2022-12-13 19:09:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:09,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:09,531 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:09,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 19:09:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:10,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:10,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 19:09:10,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:10,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:10,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119306708] [2022-12-13 19:09:10,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119306708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:10,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:10,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:10,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834757619] [2022-12-13 19:09:10,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:10,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:10,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:10,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:10,342 INFO L87 Difference]: Start difference. First operand 3934 states and 5207 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:09:10,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:10,802 INFO L93 Difference]: Finished difference Result 10130 states and 13526 transitions. [2022-12-13 19:09:10,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:10,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2022-12-13 19:09:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:10,820 INFO L225 Difference]: With dead ends: 10130 [2022-12-13 19:09:10,820 INFO L226 Difference]: Without dead ends: 6210 [2022-12-13 19:09:10,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:10,827 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 728 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:10,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 2071 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6210 states. [2022-12-13 19:09:11,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6210 to 6192. [2022-12-13 19:09:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6192 states, 4565 states have (on average 1.3007667031763417) internal successors, (5938), 4661 states have internal predecessors, (5938), 1136 states have call successors, (1136), 491 states have call predecessors, (1136), 490 states have return successors, (1233), 1095 states have call predecessors, (1233), 1135 states have call successors, (1233) [2022-12-13 19:09:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 8307 transitions. [2022-12-13 19:09:11,236 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 8307 transitions. Word has length 116 [2022-12-13 19:09:11,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:11,236 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 8307 transitions. [2022-12-13 19:09:11,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 19:09:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 8307 transitions. [2022-12-13 19:09:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 19:09:11,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:11,240 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-12-13 19:09:11,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 19:09:11,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:11,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:11,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:11,443 INFO L85 PathProgramCache]: Analyzing trace with hash 771075071, now seen corresponding path program 1 times [2022-12-13 19:09:11,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:11,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157302635] [2022-12-13 19:09:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:11,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:11,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:11,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 19:09:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:12,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 19:09:12,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:12,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:12,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157302635] [2022-12-13 19:09:12,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157302635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:12,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:12,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:12,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139510982] [2022-12-13 19:09:12,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:12,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:12,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:12,131 INFO L87 Difference]: Start difference. First operand 6192 states and 8307 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 19:09:14,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:14,832 INFO L93 Difference]: Finished difference Result 15398 states and 20540 transitions. [2022-12-13 19:09:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:14,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-12-13 19:09:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:14,854 INFO L225 Difference]: With dead ends: 15398 [2022-12-13 19:09:14,854 INFO L226 Difference]: Without dead ends: 9224 [2022-12-13 19:09:14,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:14,864 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 661 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:14,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1818 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:09:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2022-12-13 19:09:15,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9216. [2022-12-13 19:09:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 6811 states have (on average 1.3024519160182058) internal successors, (8871), 6987 states have internal predecessors, (8871), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 812 states have return successors, (1735), 1519 states have call predecessors, (1735), 1591 states have call successors, (1735) [2022-12-13 19:09:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 12198 transitions. [2022-12-13 19:09:15,459 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 12198 transitions. Word has length 113 [2022-12-13 19:09:15,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:15,459 INFO L495 AbstractCegarLoop]: Abstraction has 9216 states and 12198 transitions. [2022-12-13 19:09:15,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 19:09:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 12198 transitions. [2022-12-13 19:09:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 19:09:15,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:15,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-12-13 19:09:15,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-12-13 19:09:15,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:15,665 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:15,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:15,666 INFO L85 PathProgramCache]: Analyzing trace with hash -314860298, now seen corresponding path program 1 times [2022-12-13 19:09:15,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:15,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118812756] [2022-12-13 19:09:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:15,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:15,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:15,667 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:15,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 19:09:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:16,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:09:16,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:09:16,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:16,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:16,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118812756] [2022-12-13 19:09:16,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118812756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:16,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:16,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:09:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361104495] [2022-12-13 19:09:16,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:16,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:16,612 INFO L87 Difference]: Start difference. First operand 9216 states and 12198 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:09:19,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:21,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:21,813 INFO L93 Difference]: Finished difference Result 20804 states and 28121 transitions. [2022-12-13 19:09:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:21,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2022-12-13 19:09:21,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:21,849 INFO L225 Difference]: With dead ends: 20804 [2022-12-13 19:09:21,849 INFO L226 Difference]: Without dead ends: 11606 [2022-12-13 19:09:21,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:21,863 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 453 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 106 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:21,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 5082 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 19:09:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11606 states. [2022-12-13 19:09:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11606 to 9296. [2022-12-13 19:09:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9296 states, 6875 states have (on average 1.2996363636363637) internal successors, (8935), 7051 states have internal predecessors, (8935), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1823), 1535 states have call predecessors, (1823), 1591 states have call successors, (1823) [2022-12-13 19:09:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9296 states to 9296 states and 12350 transitions. [2022-12-13 19:09:22,530 INFO L78 Accepts]: Start accepts. Automaton has 9296 states and 12350 transitions. Word has length 132 [2022-12-13 19:09:22,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:22,530 INFO L495 AbstractCegarLoop]: Abstraction has 9296 states and 12350 transitions. [2022-12-13 19:09:22,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 19:09:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9296 states and 12350 transitions. [2022-12-13 19:09:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 19:09:22,536 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:22,536 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2022-12-13 19:09:22,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 19:09:22,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:22,737 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash -998938311, now seen corresponding path program 1 times [2022-12-13 19:09:22,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:22,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785985068] [2022-12-13 19:09:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:22,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:22,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:22,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:22,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 19:09:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:23,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:09:23,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:09:23,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:23,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:23,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785985068] [2022-12-13 19:09:23,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785985068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:23,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:23,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:23,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169349283] [2022-12-13 19:09:23,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:23,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:09:23,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:23,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:09:23,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:09:23,653 INFO L87 Difference]: Start difference. First operand 9296 states and 12350 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:09:24,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:24,386 INFO L93 Difference]: Finished difference Result 18622 states and 24752 transitions. [2022-12-13 19:09:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:09:24,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2022-12-13 19:09:24,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:24,407 INFO L225 Difference]: With dead ends: 18622 [2022-12-13 19:09:24,408 INFO L226 Difference]: Without dead ends: 9312 [2022-12-13 19:09:24,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:09:24,422 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 0 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3371 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:24,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3371 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9312 states. [2022-12-13 19:09:25,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9312 to 9296. [2022-12-13 19:09:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9296 states, 6875 states have (on average 1.2996363636363637) internal successors, (8935), 7051 states have internal predecessors, (8935), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1807), 1535 states have call predecessors, (1807), 1591 states have call successors, (1807) [2022-12-13 19:09:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9296 states to 9296 states and 12334 transitions. [2022-12-13 19:09:25,088 INFO L78 Accepts]: Start accepts. Automaton has 9296 states and 12334 transitions. Word has length 138 [2022-12-13 19:09:25,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:25,088 INFO L495 AbstractCegarLoop]: Abstraction has 9296 states and 12334 transitions. [2022-12-13 19:09:25,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:09:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9296 states and 12334 transitions. [2022-12-13 19:09:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-13 19:09:25,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:25,094 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:25,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 19:09:25,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:25,294 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash 928565782, now seen corresponding path program 2 times [2022-12-13 19:09:25,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:25,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724371186] [2022-12-13 19:09:25,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:09:25,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:25,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:25,297 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:25,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 19:09:26,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:09:26,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:09:26,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:09:26,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 19:09:26,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:26,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:26,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724371186] [2022-12-13 19:09:26,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724371186] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:26,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:26,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847123611] [2022-12-13 19:09:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:26,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:26,380 INFO L87 Difference]: Start difference. First operand 9296 states and 12334 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:09:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:27,086 INFO L93 Difference]: Finished difference Result 18606 states and 24696 transitions. [2022-12-13 19:09:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:27,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2022-12-13 19:09:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:27,104 INFO L225 Difference]: With dead ends: 18606 [2022-12-13 19:09:27,104 INFO L226 Difference]: Without dead ends: 9328 [2022-12-13 19:09:27,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:27,115 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 1 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:27,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1687 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:27,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9328 states. [2022-12-13 19:09:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9328 to 9312. [2022-12-13 19:09:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9312 states, 6891 states have (on average 1.298940647221013) internal successors, (8951), 7067 states have internal predecessors, (8951), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1807), 1535 states have call predecessors, (1807), 1591 states have call successors, (1807) [2022-12-13 19:09:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9312 states to 9312 states and 12350 transitions. [2022-12-13 19:09:27,691 INFO L78 Accepts]: Start accepts. Automaton has 9312 states and 12350 transitions. Word has length 144 [2022-12-13 19:09:27,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:27,692 INFO L495 AbstractCegarLoop]: Abstraction has 9312 states and 12350 transitions. [2022-12-13 19:09:27,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:09:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 9312 states and 12350 transitions. [2022-12-13 19:09:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 19:09:27,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:27,697 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-12-13 19:09:27,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-13 19:09:27,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:27,897 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:27,898 INFO L85 PathProgramCache]: Analyzing trace with hash -358141374, now seen corresponding path program 1 times [2022-12-13 19:09:27,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:27,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760578403] [2022-12-13 19:09:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:27,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 19:09:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:28,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:09:28,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:09:28,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:28,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:28,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760578403] [2022-12-13 19:09:28,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760578403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:28,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:28,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036094383] [2022-12-13 19:09:28,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:28,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:28,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:28,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:28,558 INFO L87 Difference]: Start difference. First operand 9312 states and 12350 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 19:09:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:29,199 INFO L93 Difference]: Finished difference Result 18630 states and 24816 transitions. [2022-12-13 19:09:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:29,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2022-12-13 19:09:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:29,222 INFO L225 Difference]: With dead ends: 18630 [2022-12-13 19:09:29,222 INFO L226 Difference]: Without dead ends: 9336 [2022-12-13 19:09:29,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:29,238 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 0 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:29,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1690 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:29,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9336 states. [2022-12-13 19:09:29,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9336 to 9336. [2022-12-13 19:09:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9336 states, 6915 states have (on average 1.2979031091829356) internal successors, (8975), 7091 states have internal predecessors, (8975), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1807), 1535 states have call predecessors, (1807), 1591 states have call successors, (1807) [2022-12-13 19:09:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9336 states to 9336 states and 12374 transitions. [2022-12-13 19:09:29,854 INFO L78 Accepts]: Start accepts. Automaton has 9336 states and 12374 transitions. Word has length 138 [2022-12-13 19:09:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:29,854 INFO L495 AbstractCegarLoop]: Abstraction has 9336 states and 12374 transitions. [2022-12-13 19:09:29,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 19:09:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9336 states and 12374 transitions. [2022-12-13 19:09:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 19:09:29,859 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:29,859 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-12-13 19:09:29,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-13 19:09:30,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:30,060 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 771011174, now seen corresponding path program 1 times [2022-12-13 19:09:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056092591] [2022-12-13 19:09:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:30,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:30,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 19:09:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:30,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:09:30,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:09:30,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:09:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:09:31,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:31,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056092591] [2022-12-13 19:09:31,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056092591] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:09:31,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:09:31,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 19:09:31,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959931962] [2022-12-13 19:09:31,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:09:31,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:31,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:31,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:31,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:31,063 INFO L87 Difference]: Start difference. First operand 9336 states and 12374 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:09:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:31,851 INFO L93 Difference]: Finished difference Result 18726 states and 24960 transitions. [2022-12-13 19:09:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:31,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2022-12-13 19:09:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:31,870 INFO L225 Difference]: With dead ends: 18726 [2022-12-13 19:09:31,870 INFO L226 Difference]: Without dead ends: 9408 [2022-12-13 19:09:31,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:31,883 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 0 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2534 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:31,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2534 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:31,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9408 states. [2022-12-13 19:09:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9408 to 9408. [2022-12-13 19:09:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9408 states, 6987 states have (on average 1.294833261771862) internal successors, (9047), 7163 states have internal predecessors, (9047), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1807), 1535 states have call predecessors, (1807), 1591 states have call successors, (1807) [2022-12-13 19:09:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9408 states to 9408 states and 12446 transitions. [2022-12-13 19:09:32,561 INFO L78 Accepts]: Start accepts. Automaton has 9408 states and 12446 transitions. Word has length 139 [2022-12-13 19:09:32,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:32,562 INFO L495 AbstractCegarLoop]: Abstraction has 9408 states and 12446 transitions. [2022-12-13 19:09:32,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:09:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 9408 states and 12446 transitions. [2022-12-13 19:09:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-13 19:09:32,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:32,569 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:32,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 19:09:32,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:32,770 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:32,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1852085422, now seen corresponding path program 1 times [2022-12-13 19:09:32,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:32,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078804696] [2022-12-13 19:09:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:32,780 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:32,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 19:09:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:09:33,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 19:09:33,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:09:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 19:09:33,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:33,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078804696] [2022-12-13 19:09:33,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078804696] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:09:33,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:09:33,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 19:09:33,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113851866] [2022-12-13 19:09:33,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:09:33,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:33,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:33,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:33,967 INFO L87 Difference]: Start difference. First operand 9408 states and 12446 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:09:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:34,754 INFO L93 Difference]: Finished difference Result 18894 states and 25016 transitions. [2022-12-13 19:09:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:34,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2022-12-13 19:09:34,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:34,772 INFO L225 Difference]: With dead ends: 18894 [2022-12-13 19:09:34,772 INFO L226 Difference]: Without dead ends: 9504 [2022-12-13 19:09:34,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:34,785 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 4 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:34,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2529 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:09:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9504 states. [2022-12-13 19:09:35,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9504 to 9504. [2022-12-13 19:09:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9504 states, 7083 states have (on average 1.290837215868982) internal successors, (9143), 7259 states have internal predecessors, (9143), 1592 states have call successors, (1592), 813 states have call predecessors, (1592), 828 states have return successors, (1807), 1535 states have call predecessors, (1807), 1591 states have call successors, (1807) [2022-12-13 19:09:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9504 states to 9504 states and 12542 transitions. [2022-12-13 19:09:35,370 INFO L78 Accepts]: Start accepts. Automaton has 9504 states and 12542 transitions. Word has length 146 [2022-12-13 19:09:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:35,371 INFO L495 AbstractCegarLoop]: Abstraction has 9504 states and 12542 transitions. [2022-12-13 19:09:35,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:09:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9504 states and 12542 transitions. [2022-12-13 19:09:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 19:09:35,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:35,375 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-12-13 19:09:35,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-13 19:09:35,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:35,577 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:35,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash 303569730, now seen corresponding path program 2 times [2022-12-13 19:09:35,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:09:35,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541495407] [2022-12-13 19:09:35,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:09:35,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:09:35,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:09:35,584 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:09:35,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 19:09:36,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:09:36,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:09:36,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:09:36,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 19:09:37,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:09:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 19:09:38,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:09:38,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541495407] [2022-12-13 19:09:38,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541495407] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:09:38,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:09:38,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 19:09:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331391016] [2022-12-13 19:09:38,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:09:38,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:09:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:38,420 INFO L87 Difference]: Start difference. First operand 9504 states and 12542 transitions. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-12-13 19:09:40,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:42,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:09:56,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:56,569 INFO L93 Difference]: Finished difference Result 56927 states and 75144 transitions. [2022-12-13 19:09:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:09:56,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 142 [2022-12-13 19:09:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:56,692 INFO L225 Difference]: With dead ends: 56927 [2022-12-13 19:09:56,692 INFO L226 Difference]: Without dead ends: 56919 [2022-12-13 19:09:56,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:56,707 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 5162 mSDsluCounter, 3338 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 928 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5162 SdHoareTripleChecker+Valid, 5496 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 928 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:56,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5162 Valid, 5496 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [928 Valid, 1525 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2022-12-13 19:09:56,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56919 states. [2022-12-13 19:10:00,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56919 to 56830. [2022-12-13 19:10:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56830 states, 42339 states have (on average 1.2912444790854767) internal successors, (54670), 43427 states have internal predecessors, (54670), 9532 states have call successors, (9532), 4863 states have call predecessors, (9532), 4958 states have return successors, (10827), 9163 states have call predecessors, (10827), 9531 states have call successors, (10827) [2022-12-13 19:10:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56830 states to 56830 states and 75029 transitions. [2022-12-13 19:10:01,002 INFO L78 Accepts]: Start accepts. Automaton has 56830 states and 75029 transitions. Word has length 142 [2022-12-13 19:10:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:10:01,002 INFO L495 AbstractCegarLoop]: Abstraction has 56830 states and 75029 transitions. [2022-12-13 19:10:01,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-12-13 19:10:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 56830 states and 75029 transitions. [2022-12-13 19:10:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-13 19:10:01,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:10:01,022 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:01,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-13 19:10:01,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:01,223 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:10:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash -993417148, now seen corresponding path program 1 times [2022-12-13 19:10:01,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:10:01,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002001879] [2022-12-13 19:10:01,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:10:01,231 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:10:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-13 19:10:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:02,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:10:02,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 19:10:02,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:10:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 19:10:02,711 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:10:02,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002001879] [2022-12-13 19:10:02,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002001879] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:10:02,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:10:02,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 19:10:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423373655] [2022-12-13 19:10:02,711 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:10:02,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:10:02,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:10:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:10:02,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:10:02,713 INFO L87 Difference]: Start difference. First operand 56830 states and 75029 transitions. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:10:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:10:08,452 INFO L93 Difference]: Finished difference Result 114794 states and 151766 transitions. [2022-12-13 19:10:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:10:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2022-12-13 19:10:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:10:08,610 INFO L225 Difference]: With dead ends: 114794 [2022-12-13 19:10:08,610 INFO L226 Difference]: Without dead ends: 57982 [2022-12-13 19:10:08,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:10:08,703 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 6 mSDsluCounter, 5894 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6739 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:10:08,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6739 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:10:08,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57982 states. [2022-12-13 19:10:13,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57982 to 57982. [2022-12-13 19:10:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57982 states, 43491 states have (on average 1.2835299257317605) internal successors, (55822), 44579 states have internal predecessors, (55822), 9532 states have call successors, (9532), 4863 states have call predecessors, (9532), 4958 states have return successors, (10827), 9163 states have call predecessors, (10827), 9531 states have call successors, (10827) [2022-12-13 19:10:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57982 states to 57982 states and 76181 transitions. [2022-12-13 19:10:13,521 INFO L78 Accepts]: Start accepts. Automaton has 57982 states and 76181 transitions. Word has length 152 [2022-12-13 19:10:13,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:10:13,521 INFO L495 AbstractCegarLoop]: Abstraction has 57982 states and 76181 transitions. [2022-12-13 19:10:13,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:10:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 57982 states and 76181 transitions. [2022-12-13 19:10:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-13 19:10:13,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:10:13,551 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:13,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-13 19:10:13,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:13,752 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:10:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash 470843825, now seen corresponding path program 1 times [2022-12-13 19:10:13,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:10:13,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695070032] [2022-12-13 19:10:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:13,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:10:13,755 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:10:13,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-12-13 19:10:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:14,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:10:14,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:10:14,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:10:14,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:10:14,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695070032] [2022-12-13 19:10:14,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695070032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:14,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:14,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:10:14,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763066615] [2022-12-13 19:10:14,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:14,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:10:14,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:10:14,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:10:14,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:10:14,827 INFO L87 Difference]: Start difference. First operand 57982 states and 76181 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 19:10:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:10:19,225 INFO L93 Difference]: Finished difference Result 117194 states and 154406 transitions. [2022-12-13 19:10:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:10:19,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 152 [2022-12-13 19:10:19,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:10:19,364 INFO L225 Difference]: With dead ends: 117194 [2022-12-13 19:10:19,364 INFO L226 Difference]: Without dead ends: 59230 [2022-12-13 19:10:19,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:10:19,437 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 4 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:10:19,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3373 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:10:19,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59230 states. [2022-12-13 19:10:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59230 to 59014. [2022-12-13 19:10:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59014 states, 44259 states have (on average 1.2818635757699) internal successors, (56734), 45323 states have internal predecessors, (56734), 9676 states have call successors, (9676), 4863 states have call predecessors, (9676), 5078 states have return successors, (11259), 9451 states have call predecessors, (11259), 9675 states have call successors, (11259) [2022-12-13 19:10:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59014 states to 59014 states and 77669 transitions. [2022-12-13 19:10:24,188 INFO L78 Accepts]: Start accepts. Automaton has 59014 states and 77669 transitions. Word has length 152 [2022-12-13 19:10:24,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:10:24,188 INFO L495 AbstractCegarLoop]: Abstraction has 59014 states and 77669 transitions. [2022-12-13 19:10:24,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 19:10:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 59014 states and 77669 transitions. [2022-12-13 19:10:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 19:10:24,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:10:24,209 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:24,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-12-13 19:10:24,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:24,410 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:10:24,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:24,411 INFO L85 PathProgramCache]: Analyzing trace with hash 151274996, now seen corresponding path program 1 times [2022-12-13 19:10:24,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:10:24,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465617522] [2022-12-13 19:10:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:24,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:10:24,418 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:10:24,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-13 19:10:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:25,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 19:10:25,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:10:26,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:10:26,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:10:26,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465617522] [2022-12-13 19:10:26,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465617522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:26,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:26,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 19:10:26,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136644462] [2022-12-13 19:10:26,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:26,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:10:26,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:10:26,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:10:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:10:26,121 INFO L87 Difference]: Start difference. First operand 59014 states and 77669 transitions. Second operand has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:10:28,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:10:45,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:10:45,568 INFO L93 Difference]: Finished difference Result 156654 states and 212886 transitions. [2022-12-13 19:10:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 19:10:45,569 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 158 [2022-12-13 19:10:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:10:45,789 INFO L225 Difference]: With dead ends: 156654 [2022-12-13 19:10:45,789 INFO L226 Difference]: Without dead ends: 97658 [2022-12-13 19:10:45,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2022-12-13 19:10:45,878 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 2624 mSDsluCounter, 16306 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 425 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2684 SdHoareTripleChecker+Valid, 18256 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:10:45,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2684 Valid, 18256 Invalid, 1578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [425 Valid, 1152 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-13 19:10:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97658 states. [2022-12-13 19:10:51,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97658 to 58942. [2022-12-13 19:10:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58942 states, 44187 states have (on average 1.27852083191889) internal successors, (56494), 45251 states have internal predecessors, (56494), 9676 states have call successors, (9676), 4863 states have call predecessors, (9676), 5078 states have return successors, (11259), 9451 states have call predecessors, (11259), 9675 states have call successors, (11259) [2022-12-13 19:10:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58942 states to 58942 states and 77429 transitions. [2022-12-13 19:10:51,750 INFO L78 Accepts]: Start accepts. Automaton has 58942 states and 77429 transitions. Word has length 158 [2022-12-13 19:10:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:10:51,751 INFO L495 AbstractCegarLoop]: Abstraction has 58942 states and 77429 transitions. [2022-12-13 19:10:51,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-13 19:10:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 58942 states and 77429 transitions. [2022-12-13 19:10:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-13 19:10:51,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:10:51,775 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 19:10:51,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-13 19:10:51,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:51,977 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:10:51,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash 594827465, now seen corresponding path program 1 times [2022-12-13 19:10:51,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:10:51,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603957417] [2022-12-13 19:10:51,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:51,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:10:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:10:51,985 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:10:51,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-12-13 19:10:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:53,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 19:10:53,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:10:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-13 19:10:54,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:10:54,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:10:54,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603957417] [2022-12-13 19:10:54,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603957417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:54,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:54,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 19:10:54,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411496906] [2022-12-13 19:10:54,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:54,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:10:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:10:54,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:10:54,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:10:54,023 INFO L87 Difference]: Start difference. First operand 58942 states and 77429 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:10:56,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:11:09,364 INFO L93 Difference]: Finished difference Result 135808 states and 181222 transitions. [2022-12-13 19:11:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 19:11:09,366 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 170 [2022-12-13 19:11:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:11:09,544 INFO L225 Difference]: With dead ends: 135808 [2022-12-13 19:11:09,544 INFO L226 Difference]: Without dead ends: 76884 [2022-12-13 19:11:09,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-12-13 19:11:09,623 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 1148 mSDsluCounter, 18718 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 91 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 20989 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:11:09,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 20989 Invalid, 840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 748 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-13 19:11:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76884 states. [2022-12-13 19:11:15,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76884 to 58942. [2022-12-13 19:11:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58942 states, 44187 states have (on average 1.2774345395704618) internal successors, (56446), 45251 states have internal predecessors, (56446), 9676 states have call successors, (9676), 4863 states have call predecessors, (9676), 5078 states have return successors, (11259), 9451 states have call predecessors, (11259), 9675 states have call successors, (11259) [2022-12-13 19:11:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58942 states to 58942 states and 77381 transitions. [2022-12-13 19:11:15,799 INFO L78 Accepts]: Start accepts. Automaton has 58942 states and 77381 transitions. Word has length 170 [2022-12-13 19:11:15,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:11:15,800 INFO L495 AbstractCegarLoop]: Abstraction has 58942 states and 77381 transitions. [2022-12-13 19:11:15,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 9 states have internal predecessors, (90), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-13 19:11:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 58942 states and 77381 transitions. [2022-12-13 19:11:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-13 19:11:15,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:11:15,838 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:15,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-12-13 19:11:16,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:11:16,039 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:11:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:16,039 INFO L85 PathProgramCache]: Analyzing trace with hash 38183494, now seen corresponding path program 1 times [2022-12-13 19:11:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:11:16,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830310448] [2022-12-13 19:11:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:16,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:11:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:11:16,044 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:11:16,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-12-13 19:11:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:17,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:11:17,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:11:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-13 19:11:17,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:11:17,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:11:17,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830310448] [2022-12-13 19:11:17,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830310448] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:11:17,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:11:17,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:11:17,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2687875] [2022-12-13 19:11:17,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:11:17,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:11:17,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:11:17,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:11:17,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:11:17,312 INFO L87 Difference]: Start difference. First operand 58942 states and 77381 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:11:19,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:11:29,432 INFO L93 Difference]: Finished difference Result 153940 states and 202491 transitions. [2022-12-13 19:11:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:11:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 170 [2022-12-13 19:11:29,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:11:29,641 INFO L225 Difference]: With dead ends: 153940 [2022-12-13 19:11:29,641 INFO L226 Difference]: Without dead ends: 95016 [2022-12-13 19:11:29,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:11:29,719 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 926 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:11:29,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 3891 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 19:11:29,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95016 states. [2022-12-13 19:11:36,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95016 to 59038. [2022-12-13 19:11:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59038 states, 44283 states have (on average 1.2768330962220265) internal successors, (56542), 45347 states have internal predecessors, (56542), 9676 states have call successors, (9676), 4863 states have call predecessors, (9676), 5078 states have return successors, (11259), 9451 states have call predecessors, (11259), 9675 states have call successors, (11259) [2022-12-13 19:11:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59038 states to 59038 states and 77477 transitions. [2022-12-13 19:11:36,690 INFO L78 Accepts]: Start accepts. Automaton has 59038 states and 77477 transitions. Word has length 170 [2022-12-13 19:11:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:11:36,691 INFO L495 AbstractCegarLoop]: Abstraction has 59038 states and 77477 transitions. [2022-12-13 19:11:36,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 19:11:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 59038 states and 77477 transitions. [2022-12-13 19:11:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-13 19:11:36,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:11:36,719 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:36,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-12-13 19:11:36,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:11:36,920 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:11:36,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:36,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1074526008, now seen corresponding path program 1 times [2022-12-13 19:11:36,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:11:36,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463560408] [2022-12-13 19:11:36,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:36,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:11:36,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:11:36,923 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:11:36,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f7c30e-f858-496c-9d21-ed6790d3c6ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-12-13 19:11:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:37,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-13 19:11:37,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:11:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:11:40,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:11:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-13 19:11:47,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:11:47,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463560408] [2022-12-13 19:11:47,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463560408] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:11:47,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:11:47,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 32 [2022-12-13 19:11:47,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400707755] [2022-12-13 19:11:47,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:11:47,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-12-13 19:11:47,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:11:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-12-13 19:11:47,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=886, Unknown=0, NotChecked=0, Total=992 [2022-12-13 19:11:47,829 INFO L87 Difference]: Start difference. First operand 59038 states and 77477 transitions. Second operand has 32 states, 30 states have (on average 4.833333333333333) internal successors, (145), 24 states have internal predecessors, (145), 11 states have call successors, (25), 5 states have call predecessors, (25), 10 states have return successors, (26), 13 states have call predecessors, (26), 11 states have call successors, (26) [2022-12-13 19:11:49,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:51,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:53,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:55,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:57,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:11:59,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:01,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:05,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:07,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:09,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:12,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:14,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:16,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:18,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:20,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:22,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:24,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:26,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:28,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:12:35,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:39,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:43,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:50,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:51,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:53,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:54,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:55,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:56,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:13:57,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:14:00,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []