./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--usb--cdc_mbim.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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/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--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/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 a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd --- 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 14:42:12,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:42:12,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:42:12,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:42:12,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:42:12,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:42:12,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:42:12,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:42:12,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:42:12,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:42:12,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:42:12,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:42:12,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:42:12,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:42:12,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:42:12,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:42:12,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:42:12,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:42:12,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:42:12,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:42:12,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:42:12,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:42:12,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:42:12,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:42:12,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:42:12,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:42:12,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:42:12,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:42:12,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:42:12,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:42:12,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:42:12,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:42:12,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:42:12,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:42:12,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:42:12,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:42:12,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:42:12,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:42:12,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:42:12,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:42:12,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:42:12,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 14:42:12,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:42:12,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:42:12,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:42:12,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:42:12,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:42:12,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:42:12,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:42:12,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:42:12,523 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:42:12,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:42:12,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:42:12,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:42:12,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:42:12,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:42:12,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:42:12,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:42:12,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:42:12,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:42:12,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:42:12,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:42:12,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:42:12,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:42:12,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:42:12,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:42:12,530 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:42:12,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:42:12,530 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:42:12,530 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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd [2022-12-13 14:42:12,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:42:12,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:42:12,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:42:12,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:42:12,751 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:42:12,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-12-13 14:42:15,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:42:15,724 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:42:15,724 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-12-13 14:42:15,742 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/data/63cb3606e/b54d3997024e4262821c7f85a824e53d/FLAG98c0a8fe6 [2022-12-13 14:42:15,905 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/data/63cb3606e/b54d3997024e4262821c7f85a824e53d [2022-12-13 14:42:15,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:42:15,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:42:15,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:42:15,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:42:15,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:42:15,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:42:15" (1/1) ... [2022-12-13 14:42:15,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8637210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:15, skipping insertion in model container [2022-12-13 14:42:15,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:42:15" (1/1) ... [2022-12-13 14:42:15,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:42:15,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:42:16,339 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 14:42:16,351 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 14:42:16,356 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 14:42:16,428 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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-12-13 14:42:16,493 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:42:16,503 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-13 14:42:16,524 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 14:42:16,524 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 14:42:16,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 14:42:16,604 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_select_altsetting [2022-12-13 14:42:16,606 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_bind_common [2022-12-13 14:42:16,607 WARN L623 FunctionHandler]: Unknown extern function usb_cdc_wdm_register [2022-12-13 14:42:16,609 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_unbind [2022-12-13 14:42:16,620 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_unbind [2022-12-13 14:42:16,626 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 14:42:16,627 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 14:42:16,628 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_fill_tx_frame [2022-12-13 14:42:16,629 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 14:42:16,634 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:42:16,636 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:42:16,640 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_rx_verify_nth16 [2022-12-13 14:42:16,641 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_rx_verify_ndp16 [2022-12-13 14:42:16,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 14:42:16,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 14:42:16,649 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-13 14:42:16,655 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-13 14:42:16,658 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 14:42:16,663 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 14:42:16,684 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 14:42:16,685 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-13 14:42:16,686 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 14:42:16,687 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 14:42:16,696 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 14:42:16,697 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 14:42:16,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:42:16,778 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:42:16,907 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 14:42:16,908 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 14:42:16,908 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 14:42:16,911 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_b04b3e13-ffd1-41f1-a914-c50755ba5b83/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-12-13 14:42:16,914 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 14:42:16,915 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-13 14:42:16,917 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 14:42:16,917 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 14:42:16,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 14:42:16,926 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_select_altsetting [2022-12-13 14:42:16,926 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_bind_common [2022-12-13 14:42:16,927 WARN L623 FunctionHandler]: Unknown extern function usb_cdc_wdm_register [2022-12-13 14:42:16,928 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_unbind [2022-12-13 14:42:16,930 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_unbind [2022-12-13 14:42:16,932 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 14:42:16,933 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 14:42:16,933 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_fill_tx_frame [2022-12-13 14:42:16,933 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 14:42:16,935 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:42:16,936 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 14:42:16,937 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_rx_verify_nth16 [2022-12-13 14:42:16,937 WARN L623 FunctionHandler]: Unknown extern function cdc_ncm_rx_verify_ndp16 [2022-12-13 14:42:16,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 14:42:16,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 14:42:16,942 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-13 14:42:16,943 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-13 14:42:16,944 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 14:42:16,946 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 14:42:16,951 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 14:42:16,952 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-13 14:42:16,952 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 14:42:16,953 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 14:42:16,957 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 14:42:16,957 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 14:42:16,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:42:16,996 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:42:16,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16 WrapperNode [2022-12-13 14:42:16,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:42:16,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:42:16,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:42:16,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:42:17,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,080 INFO L138 Inliner]: procedures = 139, calls = 575, calls flagged for inlining = 59, calls inlined = 59, statements flattened = 1717 [2022-12-13 14:42:17,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:42:17,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:42:17,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:42:17,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:42:17,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:42:17,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:42:17,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:42:17,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:42:17,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (1/1) ... [2022-12-13 14:42:17,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:42:17,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:17,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:42:17,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:42:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-12-13 14:42:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 14:42:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-12-13 14:42:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-12-13 14:42:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-13 14:42:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-13 14:42:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 14:42:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 14:42:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 14:42:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 14:42:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-13 14:42:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-13 14:42:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:42:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2022-12-13 14:42:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2022-12-13 14:42:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 14:42:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 14:42:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2022-12-13 14:42:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2022-12-13 14:42:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 14:42:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 14:42:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 14:42:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 14:42:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 14:42:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 14:42:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 14:42:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 14:42:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2022-12-13 14:42:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2022-12-13 14:42:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:42:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 14:42:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 14:42:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2022-12-13 14:42:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 14:42:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:42:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2022-12-13 14:42:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2022-12-13 14:42:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2022-12-13 14:42:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:42:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 14:42:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 14:42:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2022-12-13 14:42:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2022-12-13 14:42:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 14:42:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 14:42:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2022-12-13 14:42:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2022-12-13 14:42:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2022-12-13 14:42:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2022-12-13 14:42:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:42:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-13 14:42:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-13 14:42:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 14:42:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 14:42:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 14:42:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:42:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:42:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-12-13 14:42:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-12-13 14:42:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 14:42:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 14:42:17,522 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:42:17,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:42:18,189 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 14:42:18,423 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 14:42:18,686 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:42:18,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:42:18,696 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:42:18,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:42:18 BoogieIcfgContainer [2022-12-13 14:42:18,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:42:18,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:42:18,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:42:18,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:42:18,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:42:15" (1/3) ... [2022-12-13 14:42:18,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b549ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:42:18, skipping insertion in model container [2022-12-13 14:42:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:16" (2/3) ... [2022-12-13 14:42:18,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b549ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:42:18, skipping insertion in model container [2022-12-13 14:42:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:42:18" (3/3) ... [2022-12-13 14:42:18,707 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-12-13 14:42:18,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:42:18,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:42:18,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:42:18,787 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;@54b80a55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:42:18,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:42:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 520 states, 395 states have (on average 1.4050632911392404) internal successors, (555), 409 states have internal predecessors, (555), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-12-13 14:42:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 14:42:18,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:18,805 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 14:42:18,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:18,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1139763592, now seen corresponding path program 1 times [2022-12-13 14:42:18,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:18,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465701096] [2022-12-13 14:42:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:18,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:19,197 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 14:42:19,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:19,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465701096] [2022-12-13 14:42:19,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465701096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:19,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:19,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:19,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274780573] [2022-12-13 14:42:19,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:19,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:19,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:19,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:19,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:19,236 INFO L87 Difference]: Start difference. First operand has 520 states, 395 states have (on average 1.4050632911392404) internal successors, (555), 409 states have internal predecessors, (555), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:42:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:21,043 INFO L93 Difference]: Finished difference Result 1663 states and 2459 transitions. [2022-12-13 14:42:21,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:21,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-12-13 14:42:21,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:21,060 INFO L225 Difference]: With dead ends: 1663 [2022-12-13 14:42:21,061 INFO L226 Difference]: Without dead ends: 1126 [2022-12-13 14:42:21,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:21,070 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1168 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:21,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 2097 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 14:42:21,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-12-13 14:42:21,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 963. [2022-12-13 14:42:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 747 states have (on average 1.393574297188755) internal successors, (1041), 754 states have internal predecessors, (1041), 159 states have call successors, (159), 57 states have call predecessors, (159), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-12-13 14:42:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1353 transitions. [2022-12-13 14:42:21,158 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1353 transitions. Word has length 40 [2022-12-13 14:42:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:21,158 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1353 transitions. [2022-12-13 14:42:21,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:42:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1353 transitions. [2022-12-13 14:42:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 14:42:21,162 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:21,162 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:21,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:42:21,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash -545741206, now seen corresponding path program 1 times [2022-12-13 14:42:21,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:21,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028373639] [2022-12-13 14:42:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:42:21,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:21,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028373639] [2022-12-13 14:42:21,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028373639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:21,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:21,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:21,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201409043] [2022-12-13 14:42:21,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:21,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:21,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:21,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:21,441 INFO L87 Difference]: Start difference. First operand 963 states and 1353 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:22,431 INFO L93 Difference]: Finished difference Result 1125 states and 1621 transitions. [2022-12-13 14:42:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:22,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2022-12-13 14:42:22,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:22,439 INFO L225 Difference]: With dead ends: 1125 [2022-12-13 14:42:22,439 INFO L226 Difference]: Without dead ends: 1122 [2022-12-13 14:42:22,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:42:22,441 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 965 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1017 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:22,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1017 Valid, 1403 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 14:42:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-12-13 14:42:22,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 962. [2022-12-13 14:42:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 747 states have (on average 1.392235609103079) internal successors, (1040), 753 states have internal predecessors, (1040), 158 states have call successors, (158), 57 states have call predecessors, (158), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-12-13 14:42:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1351 transitions. [2022-12-13 14:42:22,524 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1351 transitions. Word has length 50 [2022-12-13 14:42:22,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:22,525 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1351 transitions. [2022-12-13 14:42:22,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1351 transitions. [2022-12-13 14:42:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 14:42:22,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:22,528 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:22,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:42:22,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:22,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:22,529 INFO L85 PathProgramCache]: Analyzing trace with hash 261671599, now seen corresponding path program 1 times [2022-12-13 14:42:22,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:22,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932392700] [2022-12-13 14:42:22,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:22,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:42:22,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:22,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932392700] [2022-12-13 14:42:22,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932392700] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:22,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:22,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241588282] [2022-12-13 14:42:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:22,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:22,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:22,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:22,794 INFO L87 Difference]: Start difference. First operand 962 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:23,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:23,818 INFO L93 Difference]: Finished difference Result 1124 states and 1619 transitions. [2022-12-13 14:42:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:23,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2022-12-13 14:42:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:23,825 INFO L225 Difference]: With dead ends: 1124 [2022-12-13 14:42:23,826 INFO L226 Difference]: Without dead ends: 1121 [2022-12-13 14:42:23,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:42:23,828 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 962 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:23,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1399 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 14:42:23,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-12-13 14:42:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 961. [2022-12-13 14:42:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 747 states have (on average 1.390896921017403) internal successors, (1039), 752 states have internal predecessors, (1039), 157 states have call successors, (157), 57 states have call predecessors, (157), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-12-13 14:42:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1349 transitions. [2022-12-13 14:42:23,900 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1349 transitions. Word has length 51 [2022-12-13 14:42:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:23,900 INFO L495 AbstractCegarLoop]: Abstraction has 961 states and 1349 transitions. [2022-12-13 14:42:23,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1349 transitions. [2022-12-13 14:42:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 14:42:23,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:23,904 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:23,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:42:23,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:23,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:23,904 INFO L85 PathProgramCache]: Analyzing trace with hash -478330355, now seen corresponding path program 1 times [2022-12-13 14:42:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:23,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316000258] [2022-12-13 14:42:23,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:42:24,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316000258] [2022-12-13 14:42:24,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316000258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:24,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:24,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:24,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519977885] [2022-12-13 14:42:24,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:24,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:24,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:24,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:24,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:24,058 INFO L87 Difference]: Start difference. First operand 961 states and 1349 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:24,952 INFO L93 Difference]: Finished difference Result 1123 states and 1617 transitions. [2022-12-13 14:42:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:24,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2022-12-13 14:42:24,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:24,959 INFO L225 Difference]: With dead ends: 1123 [2022-12-13 14:42:24,959 INFO L226 Difference]: Without dead ends: 1120 [2022-12-13 14:42:24,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:42:24,961 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 959 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:24,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 1395 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 14:42:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-12-13 14:42:25,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 960. [2022-12-13 14:42:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 747 states have (on average 1.3895582329317269) internal successors, (1038), 751 states have internal predecessors, (1038), 156 states have call successors, (156), 57 states have call predecessors, (156), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-12-13 14:42:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1347 transitions. [2022-12-13 14:42:25,005 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1347 transitions. Word has length 52 [2022-12-13 14:42:25,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:25,006 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1347 transitions. [2022-12-13 14:42:25,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1347 transitions. [2022-12-13 14:42:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 14:42:25,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:25,008 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:25,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:42:25,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:25,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:25,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1943549582, now seen corresponding path program 1 times [2022-12-13 14:42:25,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:25,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325828285] [2022-12-13 14:42:25,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:25,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:42:25,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:25,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325828285] [2022-12-13 14:42:25,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325828285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:25,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:25,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:25,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734603922] [2022-12-13 14:42:25,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:25,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:25,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:25,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:25,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:25,134 INFO L87 Difference]: Start difference. First operand 960 states and 1347 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:26,639 INFO L93 Difference]: Finished difference Result 3169 states and 4548 transitions. [2022-12-13 14:42:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2022-12-13 14:42:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:26,657 INFO L225 Difference]: With dead ends: 3169 [2022-12-13 14:42:26,657 INFO L226 Difference]: Without dead ends: 2220 [2022-12-13 14:42:26,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:26,664 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1196 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 2076 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:26,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 2076 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 14:42:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2022-12-13 14:42:26,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1896. [2022-12-13 14:42:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1478 states have (on average 1.391745602165088) internal successors, (2057), 1484 states have internal predecessors, (2057), 305 states have call successors, (305), 113 states have call predecessors, (305), 112 states have return successors, (310), 302 states have call predecessors, (310), 302 states have call successors, (310) [2022-12-13 14:42:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2672 transitions. [2022-12-13 14:42:26,778 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2672 transitions. Word has length 53 [2022-12-13 14:42:26,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:26,778 INFO L495 AbstractCegarLoop]: Abstraction has 1896 states and 2672 transitions. [2022-12-13 14:42:26,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2672 transitions. [2022-12-13 14:42:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 14:42:26,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:26,780 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:26,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:42:26,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:26,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:26,780 INFO L85 PathProgramCache]: Analyzing trace with hash -120700496, now seen corresponding path program 1 times [2022-12-13 14:42:26,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:26,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913704219] [2022-12-13 14:42:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:26,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:42:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:26,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913704219] [2022-12-13 14:42:26,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913704219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:26,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:26,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:26,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000887652] [2022-12-13 14:42:26,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:26,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:26,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:26,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:26,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:26,904 INFO L87 Difference]: Start difference. First operand 1896 states and 2672 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:27,815 INFO L93 Difference]: Finished difference Result 2218 states and 3203 transitions. [2022-12-13 14:42:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:27,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2022-12-13 14:42:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:27,826 INFO L225 Difference]: With dead ends: 2218 [2022-12-13 14:42:27,826 INFO L226 Difference]: Without dead ends: 2206 [2022-12-13 14:42:27,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:42:27,828 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 955 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:27,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 1394 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 14:42:27,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-12-13 14:42:27,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 1886. [2022-12-13 14:42:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1886 states, 1469 states have (on average 1.3914227365554799) internal successors, (2044), 1474 states have internal predecessors, (2044), 304 states have call successors, (304), 113 states have call predecessors, (304), 112 states have return successors, (310), 302 states have call predecessors, (310), 302 states have call successors, (310) [2022-12-13 14:42:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2658 transitions. [2022-12-13 14:42:27,944 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2658 transitions. Word has length 54 [2022-12-13 14:42:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:27,944 INFO L495 AbstractCegarLoop]: Abstraction has 1886 states and 2658 transitions. [2022-12-13 14:42:27,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 14:42:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2658 transitions. [2022-12-13 14:42:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 14:42:27,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:27,946 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, 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 14:42:27,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:42:27,947 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:27,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:27,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1881016448, now seen corresponding path program 1 times [2022-12-13 14:42:27,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:27,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791464695] [2022-12-13 14:42:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 14:42:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 14:42:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:28,054 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 14:42:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791464695] [2022-12-13 14:42:28,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791464695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:28,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:28,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:28,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297538596] [2022-12-13 14:42:28,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:28,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:28,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:28,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:28,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:28,055 INFO L87 Difference]: Start difference. First operand 1886 states and 2658 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:42:29,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:29,396 INFO L93 Difference]: Finished difference Result 6106 states and 8695 transitions. [2022-12-13 14:42:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:29,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-12-13 14:42:29,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:29,407 INFO L225 Difference]: With dead ends: 6106 [2022-12-13 14:42:29,407 INFO L226 Difference]: Without dead ends: 4231 [2022-12-13 14:42:29,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:29,412 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1147 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:29,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1993 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 14:42:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2022-12-13 14:42:29,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 3580. [2022-12-13 14:42:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 2801 states have (on average 1.388432702606212) internal successors, (3889), 2810 states have internal predecessors, (3889), 555 states have call successors, (555), 224 states have call predecessors, (555), 223 states have return successors, (565), 553 states have call predecessors, (565), 553 states have call successors, (565) [2022-12-13 14:42:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 5009 transitions. [2022-12-13 14:42:29,595 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 5009 transitions. Word has length 66 [2022-12-13 14:42:29,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:29,595 INFO L495 AbstractCegarLoop]: Abstraction has 3580 states and 5009 transitions. [2022-12-13 14:42:29,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:42:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 5009 transitions. [2022-12-13 14:42:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 14:42:29,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:29,597 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, 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 14:42:29,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:42:29,597 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:29,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1254258297, now seen corresponding path program 1 times [2022-12-13 14:42:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:29,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084111499] [2022-12-13 14:42:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:29,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 14:42:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 14:42:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:29,695 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 14:42:29,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084111499] [2022-12-13 14:42:29,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084111499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:29,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:29,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:29,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318764993] [2022-12-13 14:42:29,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:29,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:29,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:29,697 INFO L87 Difference]: Start difference. First operand 3580 states and 5009 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:42:31,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:31,889 INFO L93 Difference]: Finished difference Result 10371 states and 14666 transitions. [2022-12-13 14:42:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:31,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-12-13 14:42:31,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:31,907 INFO L225 Difference]: With dead ends: 10371 [2022-12-13 14:42:31,907 INFO L226 Difference]: Without dead ends: 6812 [2022-12-13 14:42:31,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:31,915 INFO L413 NwaCegarLoop]: 957 mSDtfsCounter, 983 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:31,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2739 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 14:42:31,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6812 states. [2022-12-13 14:42:32,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 5782. [2022-12-13 14:42:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 4524 states have (on average 1.386604774535809) internal successors, (6273), 4539 states have internal predecessors, (6273), 882 states have call successors, (882), 376 states have call predecessors, (882), 375 states have return successors, (896), 878 states have call predecessors, (896), 880 states have call successors, (896) [2022-12-13 14:42:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 8051 transitions. [2022-12-13 14:42:32,303 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 8051 transitions. Word has length 66 [2022-12-13 14:42:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:32,304 INFO L495 AbstractCegarLoop]: Abstraction has 5782 states and 8051 transitions. [2022-12-13 14:42:32,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:42:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 8051 transitions. [2022-12-13 14:42:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 14:42:32,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:32,310 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:32,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:42:32,311 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:32,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:32,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1058705838, now seen corresponding path program 1 times [2022-12-13 14:42:32,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:32,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397753982] [2022-12-13 14:42:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:32,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 14:42:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 14:42:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 14:42:32,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:32,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397753982] [2022-12-13 14:42:32,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397753982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:32,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:32,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:42:32,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086881924] [2022-12-13 14:42:32,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:32,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:42:32,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:32,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:42:32,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:42:32,787 INFO L87 Difference]: Start difference. First operand 5782 states and 8051 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 14:42:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:34,621 INFO L93 Difference]: Finished difference Result 9781 states and 13856 transitions. [2022-12-13 14:42:34,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 14:42:34,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2022-12-13 14:42:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:34,640 INFO L225 Difference]: With dead ends: 9781 [2022-12-13 14:42:34,640 INFO L226 Difference]: Without dead ends: 6890 [2022-12-13 14:42:34,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:42:34,646 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 286 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:34,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 3577 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 14:42:34,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6890 states. [2022-12-13 14:42:34,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6890 to 5823. [2022-12-13 14:42:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5823 states, 4559 states have (on average 1.3823206843606053) internal successors, (6302), 4580 states have internal predecessors, (6302), 882 states have call successors, (882), 376 states have call predecessors, (882), 381 states have return successors, (912), 878 states have call predecessors, (912), 880 states have call successors, (912) [2022-12-13 14:42:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5823 states to 5823 states and 8096 transitions. [2022-12-13 14:42:35,012 INFO L78 Accepts]: Start accepts. Automaton has 5823 states and 8096 transitions. Word has length 122 [2022-12-13 14:42:35,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:35,012 INFO L495 AbstractCegarLoop]: Abstraction has 5823 states and 8096 transitions. [2022-12-13 14:42:35,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 14:42:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 5823 states and 8096 transitions. [2022-12-13 14:42:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 14:42:35,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:35,017 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:35,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:42:35,017 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:35,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:35,018 INFO L85 PathProgramCache]: Analyzing trace with hash 778554202, now seen corresponding path program 1 times [2022-12-13 14:42:35,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:35,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411858752] [2022-12-13 14:42:35,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:35,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 14:42:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 14:42:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 14:42:35,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:35,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411858752] [2022-12-13 14:42:35,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411858752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:35,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:35,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:35,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067773656] [2022-12-13 14:42:35,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:35,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:42:35,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:35,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:42:35,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:35,241 INFO L87 Difference]: Start difference. First operand 5823 states and 8096 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 14:42:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:37,134 INFO L93 Difference]: Finished difference Result 16470 states and 23219 transitions. [2022-12-13 14:42:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:37,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 124 [2022-12-13 14:42:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:37,165 INFO L225 Difference]: With dead ends: 16470 [2022-12-13 14:42:37,165 INFO L226 Difference]: Without dead ends: 10684 [2022-12-13 14:42:37,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:37,176 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 1083 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:37,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 2430 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 14:42:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10684 states. [2022-12-13 14:42:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10684 to 9079. [2022-12-13 14:42:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9079 states, 7163 states have (on average 1.378472706966355) internal successors, (9874), 7192 states have internal predecessors, (9874), 1322 states have call successors, (1322), 584 states have call predecessors, (1322), 593 states have return successors, (1360), 1318 states have call predecessors, (1360), 1320 states have call successors, (1360) [2022-12-13 14:42:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9079 states to 9079 states and 12556 transitions. [2022-12-13 14:42:37,648 INFO L78 Accepts]: Start accepts. Automaton has 9079 states and 12556 transitions. Word has length 124 [2022-12-13 14:42:37,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:37,648 INFO L495 AbstractCegarLoop]: Abstraction has 9079 states and 12556 transitions. [2022-12-13 14:42:37,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 14:42:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9079 states and 12556 transitions. [2022-12-13 14:42:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 14:42:37,652 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:37,652 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:37,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:42:37,653 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:37,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:37,653 INFO L85 PathProgramCache]: Analyzing trace with hash 742676823, now seen corresponding path program 1 times [2022-12-13 14:42:37,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:37,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819150457] [2022-12-13 14:42:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:42:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 14:42:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 14:42:37,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:37,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819150457] [2022-12-13 14:42:37,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819150457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:37,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:37,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:42:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024594083] [2022-12-13 14:42:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:37,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:42:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:37,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:42:37,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:42:37,953 INFO L87 Difference]: Start difference. First operand 9079 states and 12556 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 14:42:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:41,269 INFO L93 Difference]: Finished difference Result 16020 states and 22681 transitions. [2022-12-13 14:42:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 14:42:41,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2022-12-13 14:42:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:41,320 INFO L225 Difference]: With dead ends: 16020 [2022-12-13 14:42:41,320 INFO L226 Difference]: Without dead ends: 16017 [2022-12-13 14:42:41,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:42:41,326 INFO L413 NwaCegarLoop]: 1213 mSDtfsCounter, 2098 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 3740 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:41,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 3740 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 14:42:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16017 states. [2022-12-13 14:42:42,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16017 to 13619. [2022-12-13 14:42:42,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13619 states, 10748 states have (on average 1.3788611834759956) internal successors, (14820), 10796 states have internal predecessors, (14820), 1978 states have call successors, (1978), 873 states have call predecessors, (1978), 892 states have return successors, (2076), 1973 states have call predecessors, (2076), 1976 states have call successors, (2076) [2022-12-13 14:42:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13619 states to 13619 states and 18874 transitions. [2022-12-13 14:42:42,167 INFO L78 Accepts]: Start accepts. Automaton has 13619 states and 18874 transitions. Word has length 123 [2022-12-13 14:42:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:42,168 INFO L495 AbstractCegarLoop]: Abstraction has 13619 states and 18874 transitions. [2022-12-13 14:42:42,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 14:42:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13619 states and 18874 transitions. [2022-12-13 14:42:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 14:42:42,177 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:42,177 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:42,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 14:42:42,177 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:42,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:42,178 INFO L85 PathProgramCache]: Analyzing trace with hash 88844050, now seen corresponding path program 1 times [2022-12-13 14:42:42,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:42,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573272455] [2022-12-13 14:42:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 14:42:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 14:42:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 14:42:42,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:42,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573272455] [2022-12-13 14:42:42,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573272455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:42,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:42,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:42:42,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541555112] [2022-12-13 14:42:42,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:42,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:42:42,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:42,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:42:42,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:42:42,357 INFO L87 Difference]: Start difference. First operand 13619 states and 18874 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 14:42:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:45,284 INFO L93 Difference]: Finished difference Result 38159 states and 53624 transitions. [2022-12-13 14:42:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:45,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 140 [2022-12-13 14:42:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:45,343 INFO L225 Difference]: With dead ends: 38159 [2022-12-13 14:42:45,343 INFO L226 Difference]: Without dead ends: 24577 [2022-12-13 14:42:45,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:45,367 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 1057 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:45,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 2478 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 14:42:45,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24577 states. [2022-12-13 14:42:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24577 to 20900. [2022-12-13 14:42:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20900 states, 16589 states have (on average 1.3747664114774851) internal successors, (22806), 16658 states have internal predecessors, (22806), 2944 states have call successors, (2944), 1335 states have call predecessors, (2944), 1366 states have return successors, (3062), 2936 states have call predecessors, (3062), 2942 states have call successors, (3062) [2022-12-13 14:42:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20900 states to 20900 states and 28812 transitions. [2022-12-13 14:42:46,809 INFO L78 Accepts]: Start accepts. Automaton has 20900 states and 28812 transitions. Word has length 140 [2022-12-13 14:42:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:46,809 INFO L495 AbstractCegarLoop]: Abstraction has 20900 states and 28812 transitions. [2022-12-13 14:42:46,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 14:42:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20900 states and 28812 transitions. [2022-12-13 14:42:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 14:42:46,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:46,815 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:46,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 14:42:46,815 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:46,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1678898143, now seen corresponding path program 1 times [2022-12-13 14:42:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:46,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472894592] [2022-12-13 14:42:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:46,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 14:42:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 14:42:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 14:42:47,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:47,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472894592] [2022-12-13 14:42:47,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472894592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:47,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:47,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:42:47,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834832980] [2022-12-13 14:42:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:47,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:42:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:42:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:42:47,289 INFO L87 Difference]: Start difference. First operand 20900 states and 28812 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 14:42:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:49,903 INFO L93 Difference]: Finished difference Result 30554 states and 42587 transitions. [2022-12-13 14:42:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:42:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 141 [2022-12-13 14:42:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:49,945 INFO L225 Difference]: With dead ends: 30554 [2022-12-13 14:42:49,945 INFO L226 Difference]: Without dead ends: 16540 [2022-12-13 14:42:49,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:42:49,962 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 242 mSDsluCounter, 3058 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:49,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 3630 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 14:42:49,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16540 states. [2022-12-13 14:42:50,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16540 to 14003. [2022-12-13 14:42:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14003 states, 11129 states have (on average 1.3704735376044568) internal successors, (15252), 11170 states have internal predecessors, (15252), 1966 states have call successors, (1966), 892 states have call predecessors, (1966), 907 states have return successors, (2012), 1960 states have call predecessors, (2012), 1964 states have call successors, (2012) [2022-12-13 14:42:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14003 states to 14003 states and 19230 transitions. [2022-12-13 14:42:50,926 INFO L78 Accepts]: Start accepts. Automaton has 14003 states and 19230 transitions. Word has length 141 [2022-12-13 14:42:50,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:50,927 INFO L495 AbstractCegarLoop]: Abstraction has 14003 states and 19230 transitions. [2022-12-13 14:42:50,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 14:42:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 14003 states and 19230 transitions. [2022-12-13 14:42:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-13 14:42:50,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:50,933 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:50,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 14:42:50,933 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:42:50,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:50,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1784693693, now seen corresponding path program 1 times [2022-12-13 14:42:50,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:50,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211560983] [2022-12-13 14:42:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:50,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:42:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 14:42:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:42:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:42:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 14:42:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 14:42:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 14:42:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 14:42:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 14:42:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 14:42:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 14:42:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-12-13 14:42:51,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:51,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211560983] [2022-12-13 14:42:51,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211560983] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:42:51,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071585984] [2022-12-13 14:42:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:51,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:42:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:42:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:51,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:42:51,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:42:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-12-13 14:42:51,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:42:51,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071585984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:51,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:42:51,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2022-12-13 14:42:51,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429166513] [2022-12-13 14:42:51,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:51,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:42:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:42:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:42:51,892 INFO L87 Difference]: Start difference. First operand 14003 states and 19230 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (15), 4 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 14:42:53,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:53,622 INFO L93 Difference]: Finished difference Result 14003 states and 19230 transitions. [2022-12-13 14:42:53,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:42:53,623 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (15), 4 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 144 [2022-12-13 14:42:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:53,624 INFO L225 Difference]: With dead ends: 14003 [2022-12-13 14:42:53,624 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:42:53,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:42:53,637 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 1707 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:53,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 649 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 14:42:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:42:53,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:42:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:42:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:42:53,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2022-12-13 14:42:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:53,638 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:42:53,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (15), 4 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 14:42:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:42:53,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:42:53,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:42:53,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:42:53,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b3e13-ffd1-41f1-a914-c50755ba5b83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 14:42:53,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:42:59,848 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 62 DAG size of output: 60 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:05,522 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:10,930 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:16,534 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:22,243 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:27,883 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:33,534 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:38,911 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:44,669 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:50,250 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:43:56,146 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:02,427 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:09,428 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:15,096 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:21,472 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:27,245 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:32,885 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:38,113 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:43,814 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:49,559 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:44:55,016 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:00,816 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:06,002 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:11,265 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:17,309 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:22,767 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:28,060 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:39,500 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:44,578 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:49,756 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:45:55,794 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:01,303 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:06,840 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:13,514 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:19,304 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:25,384 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:36,191 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:41,508 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:48,419 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:46:54,525 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:00,347 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:06,056 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:11,997 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:17,681 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:23,174 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:29,095 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:34,792 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:41,005 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:46,926 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:52,641 WARN L233 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:47:58,582 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:04,273 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:14,595 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:21,667 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:27,282 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:32,473 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:38,062 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:43,795 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:49,109 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:48:55,525 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:06,617 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:11,811 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:17,567 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:23,617 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:29,801 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:35,547 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:41,104 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:46,738 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:53,330 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:49:58,411 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:04,918 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:10,790 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:16,675 WARN L233 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:24,151 WARN L233 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:29,352 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 62 DAG size of output: 60 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:34,639 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:41,727 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:47,343 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:52,795 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:50:59,203 WARN L233 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:04,880 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:10,251 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:17,416 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:24,613 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 62 DAG size of output: 60 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:31,276 WARN L233 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:36,442 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:42,210 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:48,956 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:51:55,283 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:01,361 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:06,828 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:12,248 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:18,331 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:23,404 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:29,201 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:34,570 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:40,425 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:48,242 WARN L233 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:53,697 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 62 DAG size of output: 60 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:52:59,008 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:06,703 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:12,610 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:17,816 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:23,388 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:29,066 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:34,577 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:41,028 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:52,180 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:53:57,349 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:03,129 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:09,230 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:15,443 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:21,240 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:26,715 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:32,131 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:38,218 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:43,320 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:49,108 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:54:54,496 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:00,301 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:07,076 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:17,883 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:23,276 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:28,916 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:34,615 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:40,252 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:45,864 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:51,224 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:55:56,995 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:02,581 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:08,484 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:14,788 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 68 DAG size of output: 66 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:21,754 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:27,421 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:33,793 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 14:56:39,584 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)